A743 CK3MCuN
ASTM
A743 CK3MCuN
ASME
SA743 CK3MCuN
Type
20Cr-18Ni-Cu-Mo
UNS -Cast
J93254
Chemical Composition
Carbon
Manganese
1.20% Max
Silicon
1.00% Max
Phosphorus
0.045% Max
Sulfur
0.01% Max
Chromium
19.50 - 20.50%
Nickel
17.50 - 19.50%
Molybdenum
6.0 - 7.0%
Nitrogen
0.180 - 0.240%
Copper
0.50 - 1.00%
Mechanical Properties
Yield Strength
38 ksi Min
Tensile Strength
80‚Äàksi Min
Elongation at 2 in
35% Min
Resources
ASTM Standard
