Chemical Composition
Carbon
0.30% Max
Manganese
1.00% Max
Silicon
0.60% Max
Phosphorus
0.035% Max
Sulfur
0.035% Max
Chromium
0.50% Max
Nickel
0.50% Max
Molybdenum
0.20% Max
Vanadium
0.03% Max
Copper
0.30% Max
Residual Elements
1.00% Max
Physical Properties
Yield Strength
36 ksi Min
Tensile Strength
70 - 95 ksi
Elongation at 2 in
22% Min
Reduction of Area
35% Min
Resources
ASTM Standard