ASTM Casting Materials

Introduction to Valves – Casting Materials
Common DES ASTM Casting SPEC Service REC
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.
Common DES
ASTM Casting
SPEC Service REC