CHEMICAL COMPOSITION
Carbon
0.08 – 0.12%
Manganese
0.30 -0.60%
Silicon
0.20 – 0.50%
Phosphorus
0.025% Max
Sulfur
0.010% Max
Nickel
0.40% Max
Chromium
8.0 – 9.5%
Molybdenum
0.85 – 1.05%
Vanadium
0.18 – 0.25%
Nitrogen
0.030 – 0.070%
Aluminum
0.02% Max
Columbium
0.060 – 0.10%
Titanium
0.01% Max
Zirconium
0.01% Max
PHYSICAL PROPERTIES
Tensile Strength
85,000 – 110,000 PSI
Yield Strength
60,000 PSI Min
Elongation at 2in.
18% Min
Reduction of area
45% Min
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