{"id":2697,"date":"2025-05-07T11:01:05","date_gmt":"2025-05-07T03:01:05","guid":{"rendered":"https:\/\/www.ductileironsuppliers.com\/?p=2697"},"modified":"2025-05-30T14:59:20","modified_gmt":"2025-05-30T06:59:20","slug":"what-is-65-45-12-ductile-iron-equivalent-to","status":"publish","type":"post","link":"https:\/\/www.ductileironsuppliers.com\/ar\/what-is-65-45-12-ductile-iron-equivalent-to.html","title":{"rendered":"\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u0639\u0627\u062f\u0644 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 65-45-12\u061f"},"content":{"rendered":"

ASTM A536 Grade 65-45-12 ductile iron is a widely used material known for its excellent strength, ductility, and machinability.<\/span> Understanding its properties and how it compares to similar materials globally is crucial for engineers, designers, and manufacturers.<\/span> This article provides an in-depth look at ASTM A536 Grade 65-45-12 ductile iron, its mechanical properties, applications, and international equivalents.<\/span><\/p>\n

\"What<\/a>
What is 65-45-12 ductile iron equivalent to?<\/figcaption><\/figure>\n

1. What is ASTM A536 Grade 65-45-12 Ductile Iron?<\/h2>\n

ASTM A536 Grade 65-45-12 is a specification for ductile iron castings, also known as nodular cast iron.<\/span> The numbers 65-45-12 refer to the minimum tensile strength (65,000 psi), yield strength (45,000 psi), and elongation (12%) of the material.<\/span> This grade is characterized by its ferritic-pearlitic microstructure, providing a balance between strength and ductility.<\/span><\/p>\n

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2. Mechanical Properties of ASTM A536 Grade 65-45-12<\/h2>\n
\n
\n\n\n\n\n\n\n\n\n\n
Property<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Tensile Strength<\/span><\/td>\n65,000 psi (448 MPa)<\/span><\/td>\n<\/tr>\n
Yield Strength<\/span><\/td>\n45,000 psi (310 MPa)<\/span><\/td>\n<\/tr>\n
Elongation<\/span><\/td>\n12%<\/td>\n<\/tr>\n
Hardness (HB)<\/span><\/td>\n131 – 220<\/span><\/td>\n<\/tr>\n
Impact Resistance<\/span><\/td>\nHigh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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<\/div>\n<\/div>\n<\/div>\n<\/div>\n

These properties make ASTM A536 Grade 65-45-12 suitable for applications requiring moderate strength and good ductility.<\/span><\/p>\n

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3. Chemical Composition<\/h2>\n

The typical chemical composition of ASTM A536 Grade 65-45-12 includes:<\/span><\/p>\n

\n
\n\n\n\n\n\n\n\n\n\n
Element<\/th>\nPercentage (%)<\/th>\n<\/tr>\n<\/thead>\n
Carbon<\/span><\/td>\n3.4 – 3.9<\/span><\/td>\n<\/tr>\n
Silicon<\/span><\/td>\n2.5 – 3.0<\/span><\/td>\n<\/tr>\n
Manganese<\/span><\/td>\n0.15 – 0.35<\/span><\/td>\n<\/tr>\n
Sulfur<\/span><\/td>\n\u2264 0.020<\/span><\/td>\n<\/tr>\n
Phosphorus<\/span><\/td>\n\u2264 0.060<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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<\/div>\n<\/div>\n<\/div>\n<\/div>\n

This composition contributes to the material’s excellent machinability and moderate strength.<\/span><\/p>\n

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4. Applications of ASTM A536 Grade 65-45-12<\/h2>\n

ASTM A536 Grade 65-45-12 is commonly used in:<\/span><\/p>\n