A217 WC9

Alloy Steels

Chemical Composition

Carbon:
0.05 - 0.18%
Manganese:
0.40 - 0.70%
Silicon:
0.60% Max
Phosphorus:
0.035% Max
Sulfur:
0.035% Max
Chromium:
2.00 - 2.75%
Nickel:
0.50% Max
Molybdenum:
0.90 - 1.20%
Nitrogen:
Nitrogen + Carbon:
Vanadium:
Tungsten:
0.10% Max
Aluminum:
Titanium:
Copper:
0.50% Max
Columbium (Niobium):
Barium:
Boron:
Zirconium:
Cerium + Lanthanum:
Iron:
Residual Elements:
1.00% Max

Physical Properties

Tensile Strength:
70 - 95 ksi
Yield Strength:
40 ksi Min
Elongation at 2 in.:
20% Min
Reduction of Area:
35% Min