{"id":2206,"date":"2025-04-27T17:10:43","date_gmt":"2025-04-27T09:10:43","guid":{"rendered":"https:\/\/www.ductileironsuppliers.com\/?p=2206"},"modified":"2025-06-03T10:57:46","modified_gmt":"2025-06-03T02:57:46","slug":"how-hard-is-austempered-ductile-iron","status":"publish","type":"post","link":"https:\/\/www.ductileironsuppliers.com\/ar\/how-hard-is-austempered-ductile-iron.html","title":{"rendered":"\u0645\u0627 \u0645\u062f\u0649 \u0635\u0644\u0627\u0628\u0629 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0645\u0642\u0633\u0649\u061f"},"content":{"rendered":"<p class=\"ds-markdown-paragraph\">\u064a\u0634\u062a\u0647\u0631 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0645\u0642\u0633\u0649 (ADI)\u060c \u0648\u0647\u0648 \u0645\u0627\u062f\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0623\u062f\u0627\u0621 \u0645\u0634\u062a\u0642\u0629 \u0645\u0646 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 (ADI)\u060c \u0628\u0645\u0632\u064a\u062c \u0627\u0633\u062a\u062b\u0646\u0627\u0626\u064a \u0645\u0646 \u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u0648\u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0648\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644. \u0643\u062b\u064a\u0631\u064b\u0627 \u0645\u0627 \u064a\u0633\u0623\u0644 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0648\u0627\u0644\u0645\u0635\u0645\u0645\u0648\u0646:\u00a0<strong>\u0645\u0627 \u0645\u062f\u0649 \u0635\u0644\u0627\u0628\u0629 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0645\u0642\u0648\u0649\u061f<\/strong>\u00a0\u062a\u0633\u062a\u0643\u0634\u0641 \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0644\u0645\u0631\u0643\u0628 ADI\u060c \u0648\u062a\u0642\u0627\u0631\u0646\u0647 \u0628\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0646\u0627\u0641\u0633\u0629\u060c \u0648\u062a\u062a\u0646\u0627\u0648\u0644 \u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0641\u0646\u064a\u0629 \u0644\u0645\u0633\u0627\u0639\u062f\u062a\u0643 \u0639\u0644\u0649 \u0641\u0647\u0645 \u0642\u064a\u0645\u062a\u0647 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629.<\/p>\n<figure id=\"attachment_2207\" aria-describedby=\"caption-attachment-2207\" style=\"width: 442px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.ductileironsuppliers.com\/wp-content\/uploads\/2025\/04\/tcis6-3qz19.webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-2207\" src=\"https:\/\/www.ductileironsuppliers.com\/wp-content\/uploads\/2025\/04\/tcis6-3qz19.webp\" alt=\"\u0645\u0627 \u0645\u062f\u0649 \u0635\u0644\u0627\u0628\u0629 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0645\u0642\u0633\u0649\u061f\" width=\"442\" height=\"374\" srcset=\"https:\/\/www.ductileironsuppliers.com\/wp-content\/uploads\/2025\/04\/tcis6-3qz19.webp 442w, https:\/\/www.ductileironsuppliers.com\/wp-content\/uploads\/2025\/04\/tcis6-3qz19-300x254.webp 300w\" sizes=\"(max-width: 442px) 100vw, 442px\" \/><\/a><figcaption id=\"caption-attachment-2207\" class=\"wp-caption-text\">\u0645\u0627 \u0645\u062f\u0649 \u0635\u0644\u0627\u0628\u0629 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0645\u0642\u0633\u0649\u061f<\/figcaption><\/figure>\n<h2>\u0645\u0627 \u0647\u0648 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0645\u0642\u0648\u0649 \u0627\u0644\u0623\u0648\u0633\u062a\u064a\u0645\u0628\u0644\u064a\u061f<\/h2>\n<p class=\"ds-markdown-paragraph\">\u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0645\u0642\u0633\u0649 \u0647\u0648 \u0634\u0643\u0644 \u0645\u0639\u0627\u0644\u062c \u0628\u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0645\u0646 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644. \u0648\u0645\u0646 \u062e\u0644\u0627\u0644 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0642\u0633\u064a\u0629 \u0627\u0644\u0645\u0636\u0628\u0648\u0637\u0629 - \u0623\u064a \u062a\u0628\u0631\u064a\u062f \u0627\u0644\u062d\u062f\u064a\u062f \u0641\u064a \u062d\u0645\u0627\u0645 \u0645\u0644\u062d \u0639\u0646\u062f \u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0645\u062d\u062f\u062f\u0629 - \u062a\u062a\u0637\u0648\u0631 \u0628\u0646\u064a\u0629 \u0645\u062c\u0647\u0631\u064a\u0629 \u0641\u0631\u064a\u062f\u0629 \u0645\u0646 \u0646\u0648\u0639\u0647\u0627 \u0645\u0646\u00a0<strong>\u0623\u0648\u0633\u0641\u0631\u064a\u062a<\/strong>\u00a0(\u0645\u0632\u064a\u062c \u0645\u0646 \u0627\u0644\u0641\u0631\u064a\u062a \u0627\u0644\u062d\u0628\u064a\u0628\u064a \u0648\u0627\u0644\u0623\u0648\u0633\u062a\u064a\u0646\u064a\u062a \u0627\u0644\u063a\u0646\u064a \u0628\u0627\u0644\u0643\u0631\u0628\u0648\u0646). \u064a\u0645\u0646\u062d \u0647\u0630\u0627 \u0627\u0644\u0647\u064a\u0643\u0644 \u062d\u062f\u064a\u062f ADI \u062e\u0635\u0627\u0626\u0635 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0641\u0627\u0626\u0642\u0629 \u0645\u0642\u0627\u0631\u0646\u0629\u064b \u0628\u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a.<\/p>\n<h3>\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u0640 ADI<\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0627\u0644\u0635\u0644\u0627\u0628\u0629<\/strong>:: 250-500 HB (\u0635\u0644\u0627\u0628\u0629 \u0628\u0631\u064a\u0646\u0644)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0642\u0648\u0629 \u0627\u0644\u0634\u062f<\/strong>:: 800-1600 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0627\u0644\u0627\u0633\u062a\u0637\u0627\u0644\u0629<\/strong>: 1-15%<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0635\u062f\u0645\u0627\u062a<\/strong>: 50-200 \u064a\u0627\u0621 (\u0641\u064a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0631\u0641\u0629)<\/p>\n<\/li>\n<\/ul>\n<h2>\u0642\u064a\u0627\u0633 \u0635\u0644\u0627\u0628\u0629 ADI<\/h2>\n<p class=\"ds-markdown-paragraph\">\u062a\u064f\u0639\u062f \u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u0645\u0642\u064a\u0627\u0633\u064b\u0627 \u062d\u0627\u0633\u0645\u064b\u0627 \u0644\u062a\u0642\u064a\u064a\u0645 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0648\u0642\u062f\u0631\u0629 \u0627\u0644\u062a\u062d\u0645\u064a\u0644. \u062a\u062e\u062a\u0644\u0641 \u0635\u0644\u0627\u0628\u0629 ADI \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629:<\/p>\n<div class=\"markdown-table-wrapper\">\n<table>\n<thead>\n<tr>\n<th>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0642\u0633\u064a\u0629 (\u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629)<\/th>\n<th>\u0627\u0644\u0635\u0644\u0627\u0628\u0629 (HB)<\/th>\n<th>\u0642\u0648\u0629 \u0627\u0644\u0634\u062f (\u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644)<\/th>\n<th>\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0627\u0644\u062a\u0637\u0628\u064a\u0642<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>230-270<\/td>\n<td>450-500<\/td>\n<td>1400-1600<\/td>\n<td>\u0641\u0643\u064a \u0643\u0633\u0627\u0631\u0629 \u0627\u0644\u062a\u0639\u062f\u064a\u0646<\/td>\n<\/tr>\n<tr>\n<td>270-320<\/td>\n<td>350-450<\/td>\n<td>1200-1400<\/td>\n<td>\u062a\u0631\u0648\u0633 \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a<\/td>\n<\/tr>\n<tr>\n<td>320-380<\/td>\n<td>250-350<\/td>\n<td>800-1200<\/td>\n<td>\u0642\u0637\u0639 \u063a\u064a\u0627\u0631 \u0627\u0644\u0622\u0644\u0627\u062a \u0627\u0644\u0632\u0631\u0627\u0639\u064a\u0629<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><strong>\u0645\u0644\u0627\u062d\u0638\u0629<\/strong>: \u062a\u0624\u062f\u064a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 \u0644\u0644\u062a\u0642\u0648\u064a\u0629 \u0625\u0644\u0649 \u0632\u064a\u0627\u062f\u0629 \u0635\u0644\u0627\u0628\u0629 \u0648\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u0624\u062f\u064a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u0631\u062a\u0641\u0639\u0629 \u0625\u0644\u0649 \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0644\u064a\u0648\u0646\u0629.<\/p>\n<h2>ADI \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0623\u062e\u0631\u0649: \u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0635\u0644\u0627\u0628\u0629<\/h2>\n<p class=\"ds-markdown-paragraph\">\u064a\u0648\u0636\u062d \u0627\u0644\u062c\u062f\u0648\u0644 \u0623\u062f\u0646\u0627\u0647 \u0643\u064a\u0641\u064a\u0629 \u062a\u0643\u062f\u064a\u0633 ADI \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629:<\/p>\n<div class=\"markdown-table-wrapper\">\n<table>\n<thead>\n<tr>\n<th>\u0627\u0644\u0645\u0648\u0627\u062f<\/th>\n<th>\u0627\u0644\u0635\u0644\u0627\u0628\u0629 (HB)<\/th>\n<th>\u0642\u0648\u0629 \u0627\u0644\u0634\u062f (\u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644)<\/th>\n<th>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0635\u062f\u0645\u0627\u062a (J)<\/th>\n<th>\u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u062a\u0643\u0644\u0641\u0629<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0645\u0642\u0648\u0649 \u0627\u0644\u0623\u0648\u0633\u062a\u064a\u0645\u0628\u0644\u064a<\/td>\n<td>250-500<\/td>\n<td>800-1600<\/td>\n<td>50-200<\/td>\n<td>\u0639\u0627\u0644\u064a\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0642\u064a\u0627\u0633\u064a<\/td>\n<td>150-300<\/td>\n<td>400-900<\/td>\n<td>10-30<\/td>\n<td>\u0645\u0639\u062a\u062f\u0644<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u064a (AISI 1045)<\/td>\n<td>170-210<\/td>\n<td>585-900<\/td>\n<td>25-50<\/td>\n<td>\u0645\u0646\u062e\u0641\u0636\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 (6061-T6)<\/td>\n<td>95-100<\/td>\n<td>310-345<\/td>\n<td>5-20<\/td>\n<td>\u0645\u0639\u062a\u062f\u0644<\/td>\n<\/tr>\n<tr>\n<td>\u062d\u062f\u064a\u062f \u0632\u0647\u0631 (\u062d\u062f\u064a\u062f \u0631\u0645\u0627\u062f\u064a)<\/td>\n<td>180-250<\/td>\n<td>200-400<\/td>\n<td>2-10<\/td>\n<td>\u0645\u0646\u062e\u0641\u0636\u0629<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\">\u062a\u062a\u0641\u0648\u0642 ADI \u0639\u0644\u0649 \u0645\u0639\u0638\u0645 \u0627\u0644\u0645\u0648\u0627\u062f \u0641\u064a \u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u0625\u0644\u0649 \u0627\u0644\u0645\u062a\u0627\u0646\u0629\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644\u0647\u0627 \u0645\u062b\u0627\u0644\u064a\u0629 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0625\u062c\u0647\u0627\u062f.<\/p>\n<h2>\u0627\u0644\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0645\u0624\u062b\u0631\u0629 \u0641\u064a \u0635\u0644\u0627\u0628\u0629 \u0645\u0624\u0634\u0631 ADI<\/h2>\n<h3>1.\u00a0<strong>\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a<\/strong><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646 (2-3%)<\/strong>: \u064a\u0639\u0632\u0632 \u062a\u0643\u0648\u064a\u0646 \u0639\u0642\u064a\u062f\u0627\u062a \u0627\u0644\u062c\u0631\u0627\u0641\u064a\u062a.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0627\u0644\u0645\u0646\u062c\u0646\u064a\u0632 (&lt;0.3%)<\/strong>: \u064a\u0642\u0644\u0644 \u0645\u0646 \u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u0643\u0631\u0628\u064a\u062f.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0627\u0644\u0646\u062d\u0627\u0633\/\u0627\u0644\u0646\u064a\u0643\u0644 (0.5-1.5%)<\/strong>: \u064a\u0639\u0632\u0632 \u0627\u0644\u0635\u0644\u0627\u0628\u0629.<\/p>\n<\/li>\n<\/ul>\n<h3>2.\u00a0<strong>\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629<\/strong><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0627\u0644\u062a\u0642\u0648\u064a\u0645<\/strong>: \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0625\u0644\u0649 850-950 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0644\u0625\u0630\u0627\u0628\u0629 \u0627\u0644\u0643\u0631\u0628\u0648\u0646.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0627\u0644\u062a\u0628\u0631\u064a\u062f<\/strong>: \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0627\u0644\u0633\u0631\u064a\u0639 \u0641\u064a \u062d\u0645\u0627\u0645 \u0645\u0644\u062d (230-400 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629).<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0648\u0642\u062a \u0627\u0644\u0627\u0646\u062a\u0638\u0627\u0631<\/strong>: 1-4 \u0633\u0627\u0639\u0627\u062a \u0644\u062a\u062b\u0628\u064a\u062a \u0645\u0635\u0641\u0648\u0641\u0629 \u0627\u0644\u0623\u0648\u0633\u0641\u0631\u064a\u062a.<\/p>\n<\/li>\n<\/ul>\n<h3>3.\u00a0<strong>\u0633\u064f\u0645\u0643 \u0627\u0644\u0642\u0633\u0645<\/strong><\/h3>\n<p class=\"ds-markdown-paragraph\">\u0627\u0644\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u0623\u0643\u062b\u0631 \u0633\u0645\u0643\u064b\u0627 \u062a\u0628\u0631\u062f \u0628\u0634\u0643\u0644 \u0623\u0628\u0637\u0623\u060c \u0645\u0645\u0627 \u064a\u0639\u0631\u0636\u0643 \u0644\u062e\u0637\u0631 \u062a\u0643\u0648\u0651\u0646 \u0627\u0644\u0628\u064a\u0631\u0644\u0627\u064a\u062a \u0648\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0635\u0644\u0627\u0628\u0629.<\/p>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0644\u0645\u0639\u0647\u062f ADI<\/h2>\n<p class=\"ds-markdown-paragraph\">\u0635\u0644\u0627\u0628\u0629 \u0648\u0645\u062a\u0627\u0646\u0629 ADI \u062a\u062c\u0639\u0644\u0647\u0627 \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0640:<\/p>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a<\/strong>:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">\u0627\u0644\u062a\u0631\u0648\u0633\u060c \u0648\u0623\u0639\u0645\u062f\u0629 \u0627\u0644\u0643\u0631\u0646\u0643\u060c \u0648\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u062a\u0639\u0644\u064a\u0642.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u062a\u0639\u062f\u064a\u0646<\/strong>:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">\u0628\u0637\u0627\u0646\u0627\u062a \u0627\u0644\u0643\u0633\u0627\u0631\u0629\u060c \u0644\u0642\u0645 \u0627\u0644\u062b\u0642\u0628.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0633\u0643\u0643 \u0627\u0644\u062d\u062f\u064a\u062f\u064a\u0629<\/strong>:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">\u0623\u0642\u0631\u0627\u0635 \u0627\u0644\u0641\u0631\u0627\u0645\u0644\u060c \u0645\u062d\u0627\u0648\u0631 \u0627\u0644\u0639\u062c\u0644\u0627\u062a.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0645\u0627\u0643\u064a\u0646\u0627\u062a \u0627\u0644\u0628\u0646\u0627\u0621<\/strong>:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">\u062f\u0644\u0627\u0621 \u0627\u0644\u062d\u0641\u0627\u0631\u0627\u062a\u060c \u0648\u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a\u0629.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>6 \u0623\u0633\u0626\u0644\u0629 \u0634\u0627\u0626\u0639\u0629 \u062d\u0648\u0644 \u0635\u0644\u0627\u0628\u0629 ADI<\/h2>\n<h3>1.\u00a0<strong>\u0644\u0645\u0627\u0630\u0627 \u064a\u064f\u0639\u062f \u062d\u062f\u064a\u062f ADI \u0623\u0643\u062b\u0631 \u0635\u0644\u0627\u0628\u0629 \u0645\u0646 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0639\u0627\u062f\u064a\u061f<\/strong><\/h3>\n<p class=\"ds-markdown-paragraph\">\u062a\u0648\u0641\u0631 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u0645\u062c\u0647\u0631\u064a\u0629 \u0627\u0644\u0645\u062c\u0647\u0631\u064a\u0629 \u0645\u0646 \u062d\u062f\u064a\u062f ADI\u060c \u0627\u0644\u062a\u064a \u064a\u062a\u0645 \u062a\u062d\u0642\u064a\u0642\u0647\u0627 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0642\u0648\u064a\u0629 \u0627\u0644\u0623\u0648\u0633\u062a\u0646\u064a\u062a\u064a \u0645\u0632\u064a\u062c\u064b\u0627 \u0641\u0631\u064a\u062f\u064b\u0627 \u0645\u0646 \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u062d\u062f\u064a\u062f\u064a\u0629 \u0648\u0627\u0644\u0644\u064a\u0648\u0646\u0629 \u0627\u0644\u0623\u0648\u0633\u062a\u0646\u064a\u062a\u064a\u0629. \u0639\u0644\u0649 \u0639\u0643\u0633 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u060c \u0627\u0644\u0630\u064a \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0645\u0635\u0641\u0648\u0641\u0629 \u0645\u0646 \u0627\u0644\u0644\u0624\u0644\u0624 \u0623\u0648 \u0627\u0644\u0641\u0631\u064a\u062a\u060c \u0641\u0625\u0646 \u0627\u0644\u0641\u0631\u064a\u062a \u0627\u0644\u0634\u0628\u064a\u0647 \u0628\u0627\u0644\u0625\u0628\u0631\u0629 \u0648\u0627\u0644\u0623\u0648\u0633\u062a\u064a\u0646\u064a\u062a \u0627\u0644\u0645\u0633\u062a\u0642\u0631 \u064a\u0645\u0646\u0639 \u062d\u0631\u0643\u0629 \u0627\u0644\u062e\u0644\u0639\u060c \u0645\u0645\u0627 \u064a\u0639\u0632\u0632 \u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u062f\u0648\u0646 \u0627\u0644\u062a\u0636\u062d\u064a\u0629 \u0628\u0627\u0644\u0635\u0644\u0627\u0628\u0629.<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0630\u0644\u0643<\/strong>:<br \/>\n\u0623\u0638\u0647\u0631\u062a \u062f\u0631\u0627\u0633\u0629 \u0623\u062c\u0631\u062a\u0647\u0627 \u062c\u0645\u0639\u064a\u0629 \u0627\u0644\u0645\u0633\u0627\u0628\u0643 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629 \u0623\u0646 \u062a\u0631\u0648\u0633 ADI \u062a\u062a\u062d\u0645\u0644 300% \u0623\u062d\u0645\u0627\u0644\u0627\u064b \u062f\u0648\u0631\u064a\u0629 \u0623\u0643\u062b\u0631 \u0645\u0646 \u062a\u0631\u0648\u0633 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629.<\/p>\n<h3>2. <strong>\u0647\u0644 \u064a\u0645\u0643\u0646 \u062a\u0634\u0643\u064a\u0644 ADI \u0628\u0639\u062f \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629\u061f<\/strong><\/h3>\n<p class=\"ds-markdown-paragraph\">\u0646\u0639\u0645\u060c \u0648\u0644\u0643\u0646 \u064a\u062a\u0637\u0644\u0628 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0622\u0644\u064a \u0627\u0644\u0645\u0642\u0648\u0649 ADI (450+ HB) \u0623\u062f\u0648\u0627\u062a \u0630\u0627\u062a \u0631\u0624\u0648\u0633 \u0643\u0631\u0628\u064a\u062f \u0648\u0633\u0631\u0639\u0627\u062a \u0628\u0637\u064a\u0626\u0629. \u062a\u0639\u062a\u0628\u0631 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0622\u0644\u064a\u0629 \u0627\u0644\u0645\u0642\u0648\u0627\u0629 \u0645\u0633\u0628\u0642\u064b\u0627 (\u0639\u0646\u062f 250-350 HB) \u0623\u0643\u062b\u0631 \u0641\u0639\u0627\u0644\u064a\u0629 \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u062a\u0643\u0644\u0641\u0629. \u064a\u0648\u0635\u0649 \u0628\u062a\u062e\u0641\u064a\u0641 \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0628\u0639\u062f \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0644\u0645\u0646\u0639 \u0627\u0644\u062a\u0634\u0648\u064a\u0647.<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>\u0646\u0635\u064a\u062d\u0629 \u0635\u0646\u0627\u0639\u064a\u0629<\/strong>:<br \/>\n\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0625\u062f\u062e\u0627\u0644\u0627\u062a \u0627\u0644\u0633\u064a\u0631\u0627\u0645\u064a\u0643 \u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u0634\u0637\u064a\u0628 \u0639\u0644\u0649 ADI \u0639\u0627\u0644\u064a \u0627\u0644\u0635\u0644\u0627\u0628\u0629.<\/p>\n<h3>3. <strong>\u0643\u064a\u0641 \u062a\u0642\u0627\u0631\u0646 ADI \u0628\u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0645\u0637\u0631\u0648\u0642 \u0641\u064a \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644\u061f<\/strong><\/h3>\n<p class=\"ds-markdown-paragraph\">\u0648\u063a\u0627\u0644\u0628\u0627\u064b \u0645\u0627 \u062a\u062a\u062c\u0627\u0648\u0632 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0641\u064a ADI \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0645\u0637\u0631\u0648\u0642 \u0628\u0633\u0628\u0628 \u0637\u0648\u0631 \u0627\u0644\u0623\u0648\u0633\u062a\u064a\u0646\u064a\u062a \u0627\u0644\u0645\u062a\u0635\u0644\u0628 \u0628\u0627\u0644\u0625\u062c\u0647\u0627\u062f. \u0648\u062a\u062d\u062a \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643\u060c \u064a\u062a\u062d\u0648\u0644 \u0627\u0644\u0623\u0648\u0633\u062a\u064a\u0646\u064a\u062a \u0627\u0644\u0633\u0637\u062d\u064a \u0625\u0644\u0649 \u0645\u0627\u0631\u062a\u064a\u0646\u0633\u064a\u062a\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062a\u0643\u0648\u064a\u0646 \u0637\u0628\u0642\u0629 \u0635\u0644\u0628\u0629.<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>\u062f\u0631\u0627\u0633\u0629 \u062d\u0627\u0644\u0629<\/strong>:<br \/>\n\u062a\u062f\u0648\u0645 \u062f\u0644\u0627\u0621 \u0627\u0644\u062d\u0641\u0627\u0631\u0627\u062a ADI \u0645\u062f\u0629 \u0623\u0637\u0648\u0644 \u0628\u0645\u0642\u062f\u0627\u0631 2.5 \u0645\u0631\u0629 \u0645\u0646 \u062f\u0644\u0627\u0621 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 AISI 4140 \u0641\u064a \u0638\u0631\u0648\u0641 \u0627\u0644\u062a\u0631\u0628\u0629 \u0627\u0644\u0643\u0627\u0634\u0637\u0629.<\/p>\n<h3>4. <strong>\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062d\u062f \u0645\u0646 \u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u0627\u0644\u0642\u0635\u0648\u0649 \u0644\u0640 ADI\u061f<\/strong><\/h3>\n<p class=\"ds-markdown-paragraph\">\u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u0627\u0644\u0645\u0641\u0631\u0637\u0629 (&gt; 500 HB) \u062a\u0642\u0644\u0644 \u0645\u0646 \u0627\u0644\u0644\u064a\u0648\u0646\u0629 \u0645\u0645\u0627 \u064a\u0632\u064a\u062f \u0645\u0646 \u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0643\u0633\u0631. \u064a\u0648\u0627\u0632\u0646 \u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0623\u0645\u062b\u0644 \u0628\u064a\u0646 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0648\u0642\u0648\u0629 \u0627\u0644\u0635\u062f\u0645\u0627\u062a. \u064a\u0645\u0643\u0646 \u0644\u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0633\u0628\u0627\u0626\u0643 \u0645\u062b\u0644 \u0627\u0644\u0645\u0648\u0644\u064a\u0628\u062f\u064a\u0646\u0648\u0645 \u0623\u0646 \u062a\u0632\u064a\u062f \u0645\u0646 \u062d\u062f\u0648\u062f \u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u0648\u0644\u0643\u0646\u0647\u0627 \u062a\u0632\u064a\u062f \u0645\u0646 \u062a\u0643\u0627\u0644\u064a\u0641 \u0627\u0644\u0625\u0646\u062a\u0627\u062c.<\/p>\n<h3>5. <strong>\u0647\u0644 \u064a\u0641\u0642\u062f ADI \u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u0641\u064a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629\u061f<\/strong><\/h3>\n<p class=\"ds-markdown-paragraph\">\u064a\u062d\u062a\u0641\u0638 ADI \u0628\u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u062d\u062a\u0649 300 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629. \u0648\u0641\u0648\u0642 \u0647\u0630\u0647 \u0627\u0644\u062f\u0631\u062c\u0629\u060c \u064a\u062a\u062d\u0644\u0644 \u0627\u0644\u0623\u0648\u0633\u062a\u064a\u0646\u064a\u062a\u060c \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0645\u0646 \u0627\u0644\u0635\u0644\u0627\u0628\u0629. \u0648\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0627\u062a \u0630\u0627\u062a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 (\u0645\u062b\u0644 \u0639\u0648\u0627\u062f\u0645 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a)\u060c \u064a\u0641\u0636\u0644 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0646\u064a\u0643\u0644 ADI.<\/p>\n<h3>6. <strong>\u0643\u064a\u0641 \u062a\u062e\u062a\u0628\u0631 \u0635\u0644\u0627\u0628\u0629 ADI \u0628\u062f\u0642\u0629\u061f<\/strong><\/h3>\n<p class=\"ds-markdown-paragraph\">\u0627\u0633\u062a\u062e\u062f\u0645 \u0645\u0642\u0627\u064a\u064a\u0633 \u0628\u0631\u064a\u0646\u0644 \u0623\u0648 \u0631\u0648\u0643\u0648\u064a\u0644 C \u0644\u0644\u0635\u0644\u0627\u062f\u0629 \u0627\u0644\u0643\u0644\u064a\u0629. \u064a\u0642\u0648\u0645 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0635\u0644\u0627\u062f\u0629 \u0627\u0644\u062f\u0642\u064a\u0642\u0629 (\u0641\u064a\u0643\u0631\u0632) \u0628\u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u0645\u0631\u0627\u062d\u0644 \u0627\u0644\u0645\u0648\u0636\u0639\u064a\u0629. \u0642\u0645 \u062f\u0627\u0626\u0645\u064b\u0627 \u0628\u062a\u062d\u0636\u064a\u0631 \u0627\u0644\u0639\u064a\u0646\u0627\u062a \u0639\u0646 \u0637\u0631\u064a\u0642 \u0627\u0644\u0637\u062d\u0646\/\u0627\u0644\u062a\u0644\u0645\u064a\u0639 \u0644\u062a\u062c\u0646\u0628 \u0627\u0644\u0645\u062e\u0627\u0644\u0641\u0627\u062a \u0627\u0644\u0633\u0637\u062d\u064a\u0629.<\/p>\n<h3>\u0627\u0644\u0645\u0631\u0627\u062c\u0639:<\/h3>\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Austempered_ductile_iron\" target=\"_blank\" rel=\"nofollow noopener\">\u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0645\u0642\u0648\u0649 \u0627\u0644\u0646\u0645\u0637\u064a (ADI) - \u0648\u064a\u0643\u064a\u0628\u064a\u062f\u064a\u0627<\/a><\/li>\n<li><a href=\"https:\/\/www.afsinc.org\/\" target=\"_blank\" rel=\"nofollow noopener\">\u0627\u0644\u062c\u0645\u0639\u064a\u0629 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629 \u0644\u0644\u0645\u0633\u0627\u0628\u0643 (AFS) - \u0623\u0628\u062d\u0627\u062b \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0648\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631<\/a><\/li>\n<li><a href=\"https:\/\/www.astm.org\/standards\/astm-a897\" target=\"_blank\" rel=\"nofollow noopener\">ASTM A897 - \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0644\u0645\u0633\u0628\u0648\u0643\u0627\u062a \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0645\u0642\u0648\u0649 \u0627\u0644\u0623\u0648\u0633\u062a\u064a\u0645\u0628\u0644\u064a\u062f<\/a><\/li>\n<li><a href=\"https:\/\/www.azom.com\/article.aspx?ArticleID=6478\" target=\"_blank\" rel=\"nofollow noopener\">\u062e\u0648\u0627\u0635 \u0627\u0644\u0645\u0648\u0627\u062f \u0648\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0645\u0642\u0648\u0649 \u0627\u0644\u0623\u0648\u0633\u062a\u064a\u0645\u0628\u0644\u064a - AZoM<\/a><\/li>\n<li><a href=\"https:\/\/www.asminternational.org\/materials-resources\/standards\" target=\"_blank\" rel=\"nofollow noopener\">ASM \u0627\u0644\u062f\u0648\u0644\u064a\u0629 - \u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0645\u0648\u0627\u062f \u0648\u0627\u0644\u0645\u0648\u0627\u0631\u062f \u0627\u0644\u062a\u0642\u0646\u064a\u0629<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Austempered ductile iron (ADI), a high-performance material derived from ductile iron, is renowned for its exceptional combination of hardness, toughness, and wear resistance. Engineers and designers often ask:\u00a0How hard is austempered ductile iron?\u00a0This article explores ADI\u2019s mechanical properties, compares it with competing materials, and addresses technical questions to help you understand its industrial value. What [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2207,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2206","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How Hard Is Austempered Ductile Iron? - Jingang LuoKaiwei<\/title>\n<meta name=\"description\" content=\"Discover the hardness, strength, and unique advantages of austempered ductile iron (ADI). 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