A890 7A

Duplex Stainless

Chemical Composition

Carbon:
0.030% Max
Manganese:
1.00 - 3.00%
Silicon:
1.00% Max
Phosphorus:
0.030% Max
Sulfur:
0.020% Max
Chromium:
26.0 - 28.0%
Nickel:
6.0 - 8.0%
Molybdenum:
2.0 - 3.5%
Nitrogen:
0.30 - 0.40%
Nitrogen + Carbon:
Vanadium:
Tungsten:
3.0 - 4.0%
Aluminum:
Titanium:
Copper:
1.00% Max
Columbium (Niobium):
Barium:
0.0002 - 0.0100%
Boron:
0.0010 - 0.0100%
Zirconium:
Cerium + Lanthanum:
0.005 - 0.030%
Iron:
Residual Elements:

Physical Properties

Tensile Strength:
100 ksi Min
Yield Strength:
75 ksi Min
Elongation at 2 in.:
20% Min
Reduction of Area: