Mechanical Tables - Alloy Steel Castings for High Temperature Service

Alloy Steel Castings for High Temperature Service

Grade

Tensile strength, Min. kgf/mm²

Elongation percent Min.

Yield stress or 0.5% proof stress Min. kgf/mm²

C
%

Si
%

Mn
%

S
%

P
%

0.2-0.25

0.15-4.4

1.25-1.45

0.05

0.25 Max.

0.2-0.5

0.5-1

0.05

0.15 Max.

0.4 Max.

0.4-0.8

0.05

0.2 Max.

0.6 Max.

0.5-0.8

0.05

0.08-
0.15

0.35 Max.

0.3-0.7

0.05

0.2 Max.

0.75 Max.

0.4-0.7

0.05

0.2 Max.

1.0 Max.

0.3-0.7

0.05

CS_w-20

0.25 Max.

0.6 Max.

0.7 Max.

0.05

CS_w-25

0.3 Max.

0.6 Max.

1.0 Max.

0.05

Grade	Typical Application

1 to 7	Cast parts which are to withstand temperatures 300^o-525^o C
CS_w-20 CS_w-25	Parts to be fusion welded