Chemical Composition
Carbon
Manganese
0.40 - 0.70%
Silicon
0.75% Max
Phosphorus
0.04% Max
Sulfur
0.045% Max
Chromium
4.00 - 6.50%
Nickel
0.50% Max
Molybdenum
0.45 - 0.65%
Tungsten
0.10% Max
Copper
0.50% Max
Residual Elements
1.00% Max
Physical Properties
Yield Strength
60 ksi Min
Tensile Strength
90 - 115 ksi
Elongation at 2 in
18% Min
Reduction of Area
35% Min
Resources
ASTM Standard