ASTM A216

Specification for Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service

Composition, % max

Grade

C

Mn

P

S

Si

Cu

Ni

Cr

Mo

V

WCA
UNS J02502

0.25(1)

0.70(1)

0.04

0.045

0.60

0.30

0.50

0.50

0.20

1.00

WCB
UNS J03002

0.30(2)

1.00(2)

0.04

0.045

0.60

0.30

0.50

0.50

0.20

1.00

WCC
UNS J02503

0.25(3)

1.20(3)

0.04

0.045

0.60

0.30

0.50

0.50

0.20

1.00

(1) For each reduction of 0.01% below the specified maximum Carbon content, an increase of 0.04% manganese above the specified maximum will be permitted up to a maximum of 1.10%.
(
2) For each reduction of 0.01% below the specified maximum Carbon content, an increase of 0.04% Mn above the specified maximum will be permitted up to a maximum of 1.28%.
(
3) For each reduction of 0.01% below the specified maximum Carbon content, an increase of 0.04% manganese above the specified maximum will be permitted to a maximum of 1.40%.

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