Casting Materials of Valves
ASTM Casting Materials
Material | ASTM Casting SPEC |
Service |
Carbon Steel | ASTM A216 Grade WCB |
Non-corrosive applications including water, oil and gases at temperatures between -20°F (-30°C) and +800°F (+425°C) |
Low Temp Carbon Steel |
ASTM A352 Grade LCB |
Low temperature applications to -50°F (-46°C). Not for use above +650°F (+340°C). |
Low Temp Carbon Steel |
ASTM A352 Grade LC1 |
Low temperature applications to -75°F (-59°C). Not for use above +650°F (+340°C). |
Low Temp Carbon Steel |
ASTM A352 Grade LC2 |
Low temperature applications to -100°F (-73°C). Not for use above +650°F (+340°C). |
3½% Nickel Steel |
ASTM A352 Grade LC3 |
Low temperature applications to -150°F (-101°C). Not for use above +650°F (+340°C). |
1¼% Chrome 1/2% Moly Steel |
ASTM A217 Grade WC6 |
Non-corrosive applications including water, oil and gases at temperatures between -20°F (-30°C) and +1100°F (+593°C). |
2¼% Chrome | ASTM A217 Grade C9 |
Non-corrosive applications including water, oil and gases at temperatures between -20°F (-30°C) and +1100°F (+593°C). |
5% Chrome 1/2% Moly |
ASTM A217 Grade C5 |
Mild corrosive or erosive applications as well as non-corrosive applications at temperatures between -20°F (-30°C) and +1200°F (+649°C). |
9% Chrome 1% Moly |
ASTM A217 Grade C12 |
Mild corrosive or erosive applications as well as non-corrosive applications at temperatures between -20°F (-30°C) and +1200°F (+649°C). |
12% Chrome Steel |
ASTM A487 Grade CA6NM |
Corrosive application at temperatures between -20°F (-30°C) and +900°F (+482°C). |
12% Chrome | ASTM A217 Grade CA15 |
Corrosive application at temperatures up to +1300°F (+704°C) |
316SS | ASTM A351 Grade CF8M |
Corrosive or either extremely low or high temperature non-corrosive services between -450°F (-268°C) and +1200°F (+649°C). Above +800°F (+425°C) specify carbon content of 0.04% or greater. |
347SS | ASTM 351 Grade CF8C |
Primarily for high temperature, corrosive applications between -450°F (-268°C) and +1200°F (+649°C). Above +1000°F (+540°C) specify carbon content of 0.04% or greater. |
304SS | ASTM A351 Grade CF8 |
Corrosive or extremely high temperatures non-corrosive services between -450°F (-268°C) and +1200°F (+649°C). Above +800°F (+425°C) specify carbon content of 0.04% or greater. |
304L SS | ASTM A351 Grade CF3 |
Corrosive or non-corrosive services to +800F (+425°C). |
316L SS | ASTM A351 Grade CF3M |
Corrosive or non-corrosive services to +800F (+425°C). |
Alloy-20 | ASTM A351 Grade CN7M |
Good resistance to hot sulfuric acid to +800F (+425°C). |
Monel | ASTM 743 Grade M3-35-1 |
Weldable grade. Good resistance to corrosion by all common organic acids and salt water. Also highly resistant to most alkaline solutions to +750°F (+400°C). |
Hastelloy B | ASTM A743 Grade N-12M |
Is well suited for handling hydrofluoric acid at all concentrations and temperatures. Good resistance to sulphuric and phosphoric acids to +1200°F (+649°C). |
Hastelloy C | ASTM A743 Grade CW-12M |
Good resistance to span oxidation conditions. Good properties at high temperatures. Good resistance to sulphuric and phosphoric acids to +1200°F (+649°C). |
Inconel | ASTM A743 Grade CY-40 |
Very good for high temperature service. Good resistance to spanly corrosive media and atmosphere to +800°F (+425°C). |
Bronze | ASTM B62 | Water, oil or gas: up to 400°F. Excellent for brine and seawater service. |
Material | ASTM Casting SPEC |
Service |
Post time: Sep-21-2020