JONLOO supplies A217 C5 Valve for the refinery

JONLOO supplies A217 C5 Valve for the refinery


Grade C5 is covered by ASTM A217 standard; it’s a good Chromium Molybdenum steel for Sand Casting and Investment Casting purpose. This kind of material is for mild corrosive or erosive applications as well as non-corrosive applications at temperatures between -20°F (-30°C) and +1200°F (+649°C). 

ASTM A217 Grade C5 Casting Chemical Composition Requirements and Mechanical Property:
Carbon: 0.20 max
Manganese:0.40-0.70
Silicon: 0.75 max
Sulfur: 0.045 max
Phosphorus: 0.04 max
Chromium: 4.00-6.50
Molybdenum: 0.45-0.65
Copper: 0.50 max
Nickel: 0.50 max
Tungsten: 0.10 max
Total content of residual elements (Cu/Ni/W): 1.00 max

Tensile Strength:
90ksi-115ksi (620-795Mpa)
Yield Strength: 60ksi (415Mpa) min
Elongation in 2in. or 50mm: 18.0% min
Reduction of Area: 35% min

ASTM A217 Grade C5 casting Application: Not to be used over 1200°F [649°C]
Pump casing, Pump impeller. Valve Body, Valve Bonnet, Valve Disc.
Machinery Spare Part. Automobile Industry.


JONLOO supplies the A217 C5 material for kinds of valves. If you need the material for your application, do not hesitate to contact us.




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