Chemical Composition
Carbon
Manganese
0.50 - 0.80%
Silicon
0.60% Max
Phosphorus
0.04% Max
Sulfur
0.045% Max
Chromium
0.35% Max
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
35 ksi Min
Tensile Strength
65 - 90 ksi
Elongation at 2 in
0.24
Reduction of Area
0.35
Resources
ASTM Standard
