ASTM A217 A217M Standard for Alloy Steel Castings Chemical and Mechanical Properties of Grade WC1, WC4, WC5, WC6, WC9, WC11, C5, C12, C12A, CA15

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	ASTM A217 / A217M Material Standard for Alloy Steel Castings ASTM A217 Standard covers steel casting material grades WC1, Grade WC4, Grade WC5, Grade WC6, Grade WC9, Grade WC11, Grade C5, Grade C12, Grade C12A, and Grade CA15. This standard is for material requirements of Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service This specification covers steel castings, martensitic stainless steel and alloys steel castings for valves, flanges, fittings, and other pressure-containing parts intended primarily for high-temperature and corrosive service. Heat treatment shall consist of normalizing and tempering for Grade C12A and tempering for all other grades.
		A217 C12 CHEMICAL COMPOSITION Carbon 0.20% Max Manganese 0.35 – 0.65% Silicon 1.00% Max Phosphorus 0.035% Max Sulfur 0.035% Max Nickel 0.50% Max Chromium 8.00 – 10.00% Molybdenum 0.90 – 1.20% Copper 0.50% Max Tungsten 0.10% Max Columbium 0.03% Max Total of residual elements 1.00% Max MECHANICAL PROPERTIES Tensile Strength 90,000 – 115,000 PSI Yield Strength 60,000 PSI Min Elongation at 2in. 18.0% Min Reduction of area 35.0% Min A217 C12A CHEMICAL COMPOSITION Carbon 0.08 – 0.12% Manganese 0.30 -0.60% Silicon 0.20 – 0.50% Phosphorus 0.025% Max Sulfur 0.010% Max Nickel 0.40% Max Chromium 8.0 – 9.5% Molybdenum 0.85 – 1.05% Vanadium 0.18 – 0.25% Nitrogen 0.030 – 0.070% Aluminum 0.02% Max Columbium 0.060 – 0.10% Titanium 0.01% Max Zirconium 0.01% Max MECHANICAL PROPERTIES Tensile Strength 85,000 – 110,000 PSI Yield Strength 60,000 PSI Min Elongation at 2in. 18% Min Reduction of area 45% Min A217 C5 CHEMICAL COMPOSITION Carbon 0.20% Max Manganese 0.40 – 0.70% Silicon 0.75% Max Phosphorus 0.04% Max Sulfur 0.045% Max Nickel 0.50% Max Chromium 4.00 – 6.50% Molybdenum 0.45 – 0.65% Copper 0.50% Max Tungsten 0.10% Max Total of residual elements 1.00% Max MECHANICAL PROPERTIES Tensile Strength 90,000 – 115,000 PSI Yield Strength 60,000 PSI Min Elongation at 2in. 18.0% Min Reduction of area 35.0% Min A217 WC6 CHEMICAL COMPOSITION Carbon 0.05 – 0.20% Manganese 0.50 – 0.80% Silicon 0.60% Max Phosphorus 0.035% Max Sulfur 0.035% Max Nickel 0.50% Max Chromium 1.00 – 1.50% Molybdenum 0.45 – 0.65% Copper 0.50% Max Tungsten 0.10% Max Total of residual elements 1.00% Max MECHANICAL PROPERTIES Tensile Strength 70,000 – 95,000 PSI Yield Strength 40,000 PSI Min Elongation at 2in. 20% Min Reduction of area 35% Min A217 WC9 CHEMICAL COMPOSITION Carbon 0.05 – 0.18% Manganese 0.40 – 0.70% Silicon 0.60% Max Phosphorus 0.035% Max Sulfur 0.035% Max Nickel 0.50% Max Chromium 2.00 – 2.75% Molybdenum 0.90 – 1.20% Copper 0.50% Max Tungsten 0.10% Max Total of residual elements 1.00% Max MECHANICAL PROPERTIES Tensile Strength 70,000 – 95,000 PSI Yield Strength 40,000 PSI Min Elongation at 2in. 20.0% Min Reduction of area 35.0% Min A217 WC1 Composition (Percent) C - 0.25 max MN - 0.50 to 0.80 P - 0.05 max S - 0.06 max SI - 0.60 max MO - 0.45 to 0.65 A217 CA15 Composition (Percent) C - 0.15 max MN - 1.00 max P - 0.04 max S - 0.04 max SI - 1.50 max Cr - 14.00 max Mo - 0.50 max Ni - 1.00 max
	Related Standard Reference: A216/A216M Specification for Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service A352/A352M Specification for Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service A487/A487M Specification for Steel Castings Suitable for Pressure Service A488/A488M Practice for Steel Castings, Welding, Qualifications of Procedures and Personnel A703/A703M Specification for Steel Castings, General Requirements, for Pressure-Containing Parts A802/A802M Practice for Steel Castings, Surface Acceptance Standards, Visual Examination A985/A985M Specification for Steel Investment Castings General Requirements, for Pressure-Containing Parts E165 Practice for Liquid Penetrant Examination for General Industry E709 Guide for Magnetic Particle Testing Home \| More Articles


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