Grade C12A is covered by ASTM A217 standard; it’s a good Chromium Molybdenum Vanadium steel for Sand Casting and Investment Casting purpose. UNS code is J84090
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ASTM A217 / A217M – 14 Standard Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service
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ASTM A217 Grade C12A Casting Chemical Composition Requirements and Mechanical Property:
Carbon: 0.08-0.12
Manganese:0.30-0.60
Silicon: 0.20-0.50
Sulfur: 0.010 max
Phosphorus: 0.030 max
Nickel: 0.40 max
Chromium: 8.00-9.50
Molybdenum: 0.85-1.05
Columbium: 0.06-0.10
Nitrogen: 0.030-0.070
Aluminum: 0.040 max
Vanadium: 0.18-0.25
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Tensile Strength: 85ksi-110ksi (585-760Mpa)
Yield Strength: 60ksi (415Mpa) min
Elongation in 2in. or 50mm: 18.0% min
Reduction of Area: 45% min
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PDF VIEWOur Services
- Sand Casting
Casting Quality focus on Metal Parts industry, we provide professional service in Metal Casting field.
Sand Casting is a popular metal form method, are suitable for all materiel, such as grey iron, ductile iron, malleable iron, carbon steel, stainless steel, aluminum and bronze.
- Investment Casting
also named as precision lost wax casting, mainly suitalbe for carbon steel and stainless steel parts. We also provide grey iron and ductile iron and aluminum and bronze parts by investment casting. It can achieve the best appearance with good tolerance
- Shell Casting
Shell casting method is a good option to replace investment casting and sand casting. the quality is better than sand casting parts, suitable for bulk production.
- CNC Machining
CNC Milling, CNC turning with 5 xix CNC center, we provide precision machining for all castings based on customers design drawings.
- CAD Design
Mechanical Design service based on customers requirement, our software is Solidworks and AutoCAD.
- Tools/Mold Design
Mould design and production will be served for metal casting ad plastic injection industry. Based on our more than 10 years experience, we supply professional molds for our customers in Europe and North American.
ASTM A217 Grade C12A Casting Heat treatment process:
Generally all castings need to be tempered at 1250°F [675°C] min
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ASTM A217 Grade C12A casting Application:
Pump casing, Pump impeller.
Valve Body, Valve Bonnet, Valve Disc.
Machinery Spare Part.
Automobile Industry.
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Manufacture Process in Casting Quality: Sand Casting, Precision Lost Wax Investment Casting.
