Chemical Composition
Carbon
0.25% Max
Manganese
1.2% Max
Silicon
0.6% Max
Phosphorus
0.04% Max
Sulfur
0.045% Max
Chromium
0.5% Max
Nickel
0.5% Max
Molybdenum
0.2% Max
Vanadium
0.03% Max
Copper
0.3% Max
Physical Properties
Yield Strength
40 ksi Min
Tensile Strength
70 - 95 ksi
Elongation at 2 in
22% Min
Reduction of Area
35% Min
Physical Properties
Test Temperature
-50ºF [-46ºC]
Average Energy
15 ft-lbf [20 J]
Single Energy
12 ft-lbf [16 J]
Resources
ASTM Standard
