A217 C5

Alloy Steels

Chemical Composition

Carbon:
0.20% Max
Manganese:
0.40 - 0.70%
Silicon:
0.75% Max
Phosphorus:
0.04% Max
Sulfur:
0.045% Max
Chromium:
4.00 - 6.50%
Nickel:
0.50% Max
Molybdenum:
0.45 - 0.65%
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:
90 - 115 ksi
Yield Strength:
60 ksi Min
Elongation at 2 in.:
18% Min
Reduction of Area:
35% Min