Chemical Composition
Carbon
0.15% Max
Manganese
0.50 - 0.80%
Silicon
0.60% Max
Phosphorus
0.04% Max
Sulfur
0.045% Max
Nickel
3.00 - 4.00%
Physical Properties
Yield Strength
40 ksi Min
Tensile Strength
70 - 95 ksi
Elongation at 2 in
24% Min
Reduction of Area
35% Min
Physical Properties
Test Temperature
-150ºF [-101ºC]
Average Energy
15 ft-lbf [20J]
Single Energy
12 ft-lbf [16J]
Resources
ASTM Standard
