{"id":2015,"date":"2025-04-24T16:13:46","date_gmt":"2025-04-24T08:13:46","guid":{"rendered":"https:\/\/www.ductileironsuppliers.com\/?post_type=product&p=2015"},"modified":"2025-04-24T16:13:46","modified_gmt":"2025-04-24T08:13:46","slug":"class-53-ductile-iron-pipe-suppliers","status":"publish","type":"product","link":"https:\/\/www.ductileironsuppliers.com\/ar\/product\/class-53-ductile-iron-pipe-suppliers","title":{"rendered":"\u0645\u0648\u0631\u062f\u0648 \u0623\u0646\u0627\u0628\u064a\u0628 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 53"},"content":{"rendered":"

Class 53 ductile iron pipe is a special thickness class<\/strong> primarily manufactured for mechanical\u2010joint configurations in 4\u2033\u201312\u2033 sizes, delivering 350 psi<\/strong> working pressure and an expected service life of over 100 years<\/strong> thanks to cement-mortar lining and advanced external protection options. It meets ANSI\/AWWA C110\/A21.10<\/strong>, C111\/A21.11<\/strong>, ISO 2531<\/strong>, EN 545<\/strong> and EN 598<\/strong> standards for dimensions, linings and joint performance. Installation methods include push-on, mechanical and flanged joints, while corrosion control relies on internal cement-mortar linings, bonded external coatings and optional polyethylene encasement. Although its $590\u2013650 per m<\/strong> price point is modestly higher than Class 52<\/a>, the life-cycle benefits in municipal water, wastewater, irrigation and industrial networks underscore its cost-effectiveness.<\/p>\n

Application Scenarios<\/h2>\n

Class 53 pipes excel across diverse sectors:<\/p>\n

    \n
  • \n

    Municipal Water Distribution<\/strong>: Ideal for high-pressure potable mains where durability and leak resistance are paramount.<\/p>\n<\/li>\n

  • \n

    Wastewater and Sewage Systems<\/strong>: Cement-mortar lining prevents tuberculation in gravity and force mains, ensuring low maintenance over decades.<\/p>\n<\/li>\n

  • \n

    Agricultural Irrigation<\/strong>: Lower friction losses reduce pumping energy, making it a top choice for large-scale irrigation networks.<\/p>\n<\/li>\n

  • \n

    Industrial and Plant Piping<\/strong>: Flanged Class 53 fittings have been standard in chemical, power and process industries for more than 65 years.<\/p>\n<\/li>\n<\/ul>\n

    Service Life<\/h2>\n
      \n
    • \n

      > 100 years<\/strong> in typical soil environments with cement-mortar lining and properly installed polyethylene encasement.<\/p>\n<\/li>\n

    • \n

      Corrosion Resistance<\/strong> from spheroidal-graphite iron microstructure and protective linings guarantees minimal degradation under normal conditions.<\/p>\n<\/li>\n<\/ul>\n

      Installation and Jointing<\/h2>\n

      Push-On & Mechanical Joints<\/h3>\n
        \n
      • \n

        Push-on joints<\/strong> allow trench-side assembly with simple rubber gaskets, accelerating installation.<\/p>\n<\/li>\n

      • \n

        Mechanical joints<\/strong> for Class 53 are available exclusively in this special thickness, complying with ANSI\/AWWA C110\/A21.10 and C111\/A21.11 for unrestrained service.<\/p>\n<\/li>\n<\/ul>\n

        Flanged Connections<\/h3>\n
          \n
        • \n

          Flanged ends<\/strong> use bolted steel flanges for rigid, leak-proof attachments to valves, pumps and metering stations.<\/p>\n<\/li>\n<\/ul>\n

          Corrosion Protection<\/h3>\n
            \n
          • \n

            Internal Lining<\/strong>: Cement-mortar prevents tuberculation in potable and sewer service.<\/p>\n<\/li>\n

          • \n

            External Coatings<\/strong>: Options include bonded zinc, asphaltic paint or water-based epoxies.<\/p>\n<\/li>\n

          • \n

            Polyethylene Encasement<\/strong>: Optional loose-sleeve encasement for aggressive soils.<\/p>\n<\/li>\n<\/ul>\n

            International Standards<\/h2>\n
              \n
            • \n

              ANSI\/AWWA C110\/A21.10 & C111\/A21.11<\/strong>: Mechanical and push-on joint specifications.<\/p>\n<\/li>\n

            • \n

              ANSI\/AWWA C104\/A21.4 & C105\/A21.5<\/strong>: Cement-mortar lining and polyethylene encasement requirements.<\/p>\n<\/li>\n

            • \n

              ISO 2531:2012<\/strong>, EN 545<\/strong>, EN 598<\/strong>: Dimensional and performance criteria for DI pipes and fittings.<\/p>\n<\/li>\n

            • \n

              ISO 9001:2015<\/strong>: Quality-management systems governing DI pipe manufacturing.<\/p>\n<\/li>\n<\/ul>\n

              Price Comparison with Other Classes<\/h2>\n
              \n

               <\/p>\n

              \n\n\n\n\n\n\n
              Class<\/th>\nTypical Price Range (USD\/m)<\/th>\nSource<\/th>\n<\/tr>\n<\/thead>\n
              52<\/strong><\/td>\n450\u2013650<\/td>\nIndia market averages<\/td>\n<\/tr>\n
              53<\/strong><\/td>\n590\u2013650<\/td>\nAlibaba listings<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
              \n

              Note: Actual prices vary by region, diameter and volume. Class 53 commands a premium for its extra wall thickness and specialized jointing.<\/em><\/p>\n<\/blockquote>\n

              Advantages<\/h2>\n
                \n
              • \n

                Exceptional Durability<\/strong>: 100+ year lifespan reduces replacement frequency.<\/p>\n<\/li>\n

              • \n

                High Strength<\/strong>: Withstands trench loads, water hammer and external forces.<\/p>\n<\/li>\n

              • \n

                Flexible Installation<\/strong>: Multiple joint options suit varied site conditions.<\/p>\n<\/li>\n

              • \n

                Corrosion Control<\/strong>: Linings and coatings prevent internal and external corrosion.<\/p>\n<\/li>\n

              • \n

                Sustainability<\/strong>: Up to 60% recycled iron content; fully recyclable at end of life.<\/p>\n<\/li>\n<\/ul>\n

                Frequently Asked Questions<\/h2>\n
                  \n
                1. \n

                  What defines Class 53?<\/strong>
                  A \u201cspecial thickness\u201d schedule for 4\u2033\u201312\u2033 mechanical-joint pipes rated at 350 psi, exceeding standard Class 52 wall thickness.<\/p>\n<\/li>\n

                2. \n

                  How does it differ from Class 52?<\/strong>
                  Class 53 has a nominal wall thickness approximately 1 mm greater per diameter, boosting surge allowance and stiffness.<\/p>\n<\/li>\n

                3. \n

                  Can it be used in aggressive soils?<\/strong>
                  Yes\u2014pair with polyethylene encasement and, if needed, cathodic protection for high-chloride or sulfate conditions.<\/p>\n<\/li>\n

                4. \n

                  Are custom coatings available?<\/strong>
                  Yes\u2014options include HDPE sleeves, bonded zinc, epoxy and water-based paints to meet project specs.<\/p>\n<\/li>\n

                5. \n

                  What is the lead time for Class 53?<\/strong>
                  Standard mechanical-joint lengths (20 ft) are typically stocked in North America; fabricated or coated orders may require 6\u201312 weeks.<\/p>\n<\/li>\n<\/ol>\n

                  Case Studies<\/h2>\n
                    \n
                  • \n

                    Eastern Canada Water Main<\/strong>: A 12\u2033 Class 53 installation installed in the 1990s showed minimal external corrosion after 24 years<\/strong> without additional protection, underscoring inherent durability.<\/p>\n<\/li>\n

                  • \n

                    Industrial Plant Retrofit<\/strong>: A power station replaced 1 km of 6\u2033 steel piping with Class 53 DI, reducing annual maintenance costs by 40% over a decade (internal engineering report).<\/p>\n<\/li>\n<\/ul>\n

                    ductile iron pipe dimensions<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                    <\/td>\n<\/td>\n<\/td>\nPipe body weight \uff08kg\/m)<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
                    (Inside Diameter)<\/td>\n(Outside Diameter)<\/td>\nSocket Weight<\/td>\nK8<\/td>\nK9<\/td>\nK10<\/td>\nC class<\/td>\nTotal weight of Active Length=6M (kg)<\/td>\nTotal weight of Active Length=5.7M (kg)<\/td>\n<\/tr>\n
                    DN(mm)<\/td>\nOD(mm)<\/td>\n\u2248 kg<\/td>\nClass<\/td>\nkg\/m<\/td>\nK8<\/td>\nK9<\/td>\nK10<\/td>\nC class<\/td>\nK8<\/td>\nK9<\/td>\nK10<\/td>\nC class<\/td>\n<\/tr>\n
                    80<\/td>\n98<\/td>\n3.40<\/td>\n12.20<\/td>\n12.20<\/td>\n12.20<\/td>\nC40<\/td>\n9.10<\/td>\n77.00<\/td>\n77.00<\/td>\n77.00<\/td>\n58.00<\/td>\n73.00<\/td>\n73.00<\/td>\n73.00<\/td>\n55.00<\/td>\n<\/tr>\n
                    100<\/td>\n118<\/td>\n4.30<\/td>\n14.90<\/td>\n15.10<\/td>\n15.10<\/td>\nC40<\/td>\n11.12<\/td>\n93.70<\/td>\n95.00<\/td>\n95.00<\/td>\n71.00<\/td>\n90.00<\/td>\n91.00<\/td>\n90.00<\/td>\n68.00<\/td>\n<\/tr>\n
                    125<\/td>\n144<\/td>\n5.70<\/td>\n<\/td>\n18.90<\/td>\n<\/td>\nC40<\/td>\n<\/td>\n<\/td>\n119.00<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
                    150<\/td>\n170<\/td>\n7.10<\/td>\n21.80<\/td>\n22.80<\/td>\n22.80<\/td>\nC40<\/td>\n16.48<\/td>\n138.00<\/td>\n144.00<\/td>\n144.00<\/td>\n106.00<\/td>\n132.00<\/td>\n138.00<\/td>\n137.00<\/td>\n101.00<\/td>\n<\/tr>\n
                    200<\/td>\n222<\/td>\n10.30<\/td>\n28.70<\/td>\n30.60<\/td>\n30.60<\/td>\nC40<\/td>\n22.62<\/td>\n183.00<\/td>\n194.00<\/td>\n194.00<\/td>\n146.00<\/td>\n174.00<\/td>\n185.00<\/td>\n185.00<\/td>\n139.00<\/td>\n<\/tr>\n
                    250<\/td>\n274<\/td>\n14.20<\/td>\n35.60<\/td>\n40.20<\/td>\n44.30<\/td>\nC40<\/td>\n32.63<\/td>\n228.00<\/td>\n255.00<\/td>\n280.00<\/td>\n210.00<\/td>\n218.00<\/td>\n244.00<\/td>\n267.00<\/td>\n200.00<\/td>\n<\/tr>\n
                    300<\/td>\n326<\/td>\n18.90<\/td>\n45.30<\/td>\n50.80<\/td>\n56.30<\/td>\nC30<\/td>\n43.90<\/td>\n290.00<\/td>\n323.00<\/td>\n357.00<\/td>\n282.00<\/td>\n278.00<\/td>\n309.00<\/td>\n340.00<\/td>\n269.00<\/td>\n<\/tr>\n
                    350<\/td>\n378<\/td>\n23.70<\/td>\n55.90<\/td>\n63.20<\/td>\n69.60<\/td>\nC30<\/td>\n51.88<\/td>\n359.00<\/td>\n403.00<\/td>\n441.00<\/td>\n335.00<\/td>\n343.00<\/td>\n384.00<\/td>\n420.00<\/td>\n319.00<\/td>\n<\/tr>\n
                    400<\/td>\n429<\/td>\n29.50<\/td>\n67.30<\/td>\n75.50<\/td>\n83.70<\/td>\nC30<\/td>\n60.78<\/td>\n433.00<\/td>\n482.00<\/td>\n532.00<\/td>\n394.00<\/td>\n414.00<\/td>\n460.00<\/td>\n506.00<\/td>\n376.00<\/td>\n<\/tr>\n
                    450<\/td>\n480<\/td>\n38.30<\/td>\n80.00<\/td>\n89.30<\/td>\n99.00<\/td>\nC30<\/td>\n73.30<\/td>\n515.00<\/td>\n575.00<\/td>\n632.00<\/td>\n472.00<\/td>\n492.00<\/td>\n550.00<\/td>\n597.00<\/td>\n450.00<\/td>\n<\/tr>\n
                    500<\/td>\n532<\/td>\n42.80<\/td>\n92.80<\/td>\n104.30<\/td>\n115.60<\/td>\nC30<\/td>\n87.20<\/td>\n600.00<\/td>\n669.00<\/td>\n736.00<\/td>\n566.00<\/td>\n572.00<\/td>\n638.00<\/td>\n702.00<\/td>\n540.00<\/td>\n<\/tr>\n
                    600<\/td>\n635<\/td>\n59.30<\/td>\n122.00<\/td>\n137.30<\/td>\n152.00<\/td>\nC30<\/td>\n120.62<\/td>\n791.00<\/td>\n882.00<\/td>\n971.00<\/td>\n783.00<\/td>\n755.00<\/td>\n842.00<\/td>\n926.00<\/td>\n747.00<\/td>\n<\/tr>\n
                    700<\/td>\n738<\/td>\n79.10<\/td>\n155.00<\/td>\n173.90<\/td>\n193.00<\/td>\nC25<\/td>\n142.15<\/td>\n1009.00<\/td>\n1123.00<\/td>\n1237.00<\/td>\n932.00<\/td>\n963.00<\/td>\n1071.00<\/td>\n1179.00<\/td>\n889.00<\/td>\n<\/tr>\n
                    800<\/td>\n842<\/td>\n102.60<\/td>\n192.00<\/td>\n215.20<\/td>\n239.00<\/td>\nC25<\/td>\n177.07<\/td>\n1255.00<\/td>\n1394.00<\/td>\n1537.00<\/td>\n1165.00<\/td>\n1197.00<\/td>\n1330.00<\/td>\n1465.00<\/td>\n1112.00<\/td>\n<\/tr>\n
                    900<\/td>\n945<\/td>\n129.60<\/td>\n232.00<\/td>\n260.20<\/td>\n289.00<\/td>\nC25<\/td>\n197.68<\/td>\n1521.00<\/td>\n1691.00<\/td>\n1863.00<\/td>\n1446.00<\/td>\n1452.00<\/td>\n1613.00<\/td>\n1777.00<\/td>\n1257.00<\/td>\n<\/tr>\n
                    1000<\/td>\n1048<\/td>\n161.30<\/td>\n275.00<\/td>\n309.30<\/td>\n343.20<\/td>\nC25<\/td>\n266.28<\/td>\n1811.00<\/td>\n2017.00<\/td>\n2221.00<\/td>\n1759.00<\/td>\n1729.00<\/td>\n1925.00<\/td>\n2118.00<\/td>\n1679.00<\/td>\n<\/tr>\n
                    1100<\/td>\n1152<\/td>\n194.70<\/td>\n<\/td>\n362.80<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n2372.00<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
                    1200<\/td>\n1255<\/td>\n237.70<\/td>\n374.00<\/td>\n420.10<\/td>\n466.10<\/td>\nC25<\/td>\n373.88<\/td>\n2482.00<\/td>\n2758.00<\/td>\n3034.00<\/td>\n2481.00<\/td>\n2370.00<\/td>\n2632.00<\/td>\n2894.00<\/td>\n2369.00<\/td>\n<\/tr>\n
                    1400<\/td>\n1462<\/td>\n279.30<\/td>\n<\/td>\n547.20<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n3563.00<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                    ductile iron pipe\u00a0Mechanical property<\/h2>\n\n\n\n\n\n\n\n\n\n
                    Mechanical Property<\/td>\n<\/tr>\n
                    Nominal Diameter<\/td>\nHydraulic test<\/td>\nTensile strength<\/td>\nElogation<\/td>\nYield strength<\/td>\nBending strength<\/td>\nBrinell hardness<\/td>\nThickness of cement lining<\/td>\n<\/tr>\n
                    DN(MM)<\/td>\nMpa<\/td>\nMpa<\/td>\n%<\/td>\nMpa<\/td>\nMpa<\/td>\nHB<\/td>\nmm<\/td>\n<\/tr>\n
                    DN80-DN300<\/td>\n5<\/td>\n\u2265420<\/td>\n\u226510<\/td>\n\u2265300<\/td>\n\u2265590<\/td>\n\u2264230<\/td>\n3<\/td>\n<\/tr>\n
                    DN350-DN600<\/td>\n4<\/td>\n\u2265420<\/td>\n\u226510<\/td>\n\u2265300<\/td>\n\u2265590<\/td>\n\u2264230<\/td>\n5<\/td>\n<\/tr>\n
                    DN700-DN1000<\/td>\n3.2<\/td>\n\u2265420<\/td>\n\u226510<\/td>\n\u2265300<\/td>\n\u2265590<\/td>\n\u2264230<\/td>\n6<\/td>\n<\/tr>\n
                    DN1100-DN1600<\/td>\n2.5<\/td>\n\u2265420<\/td>\n\u22657<\/td>\n\u2265300<\/td>\n\u2265590<\/td>\n\u2264230<\/td>\n\u2026..<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":2016,"template":"","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":""}}},"tags":[],"products":[10],"class_list":["post-2015","product","type-product","status-publish","has-post-thumbnail","hentry","products-ductile-iron-pipes"],"acf":[],"yoast_head":"\nClass 53 ductile iron pipe suppliers - Jingang LuoKaiwei<\/title>\n<meta name=\"description\" content=\"Class 53 ductile iron pipe\u2014special thickness mechanical-joint solution with 350 psi rating, 100+ year lifespan, ANSI\/AWWA C110\/C111 & ISO 2531 compliant. 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