Chemical Composition
Carbon
0.030% Max
Manganese
1.00 - 3.00%
Silicon
1.00% Max
Phosphorus
0.030% Max
Sulfur
0.020% Max
Chromium
26.0 - 28.0%
Nickel
6.0 - 8.0%
Molybdenum
2.0 - 3.5%
Nitrogen
0.30 - 0.40%
Tungsten
3.0 - 4.0%
Copper
1.00% Max
Barium
0.0002 - 0.0100%
Boron
0.0010 - 0.0100%
Cerium +Lanthanum
0.005 - 0.030%
Physical Properties
Yield Strength
75 ksi Min
Tensile Strength
100 ksi Min
Elongation at 2 in
20% Min
Resources
ASTM Standard
