A890 4A

Duplex Stainless

Chemical Composition

Carbon:
0.03% Max
Manganese:
1.50% Max
Silicon:
1.00% Max
Phosphorus:
0.04% Max
Sulfur:
0.02% Max
Chromium:
21.00 - 23.50%
Nickel:
4.50 - 6.50%
Molybdenum:
2.50 - 3.50%
Nitrogen:
0.10 - 0.30%
Nitrogen + Carbon:
Vanadium:
Tungsten:
Aluminum:
Titanium:
Copper:
1.00% Max
Columbium (Niobium):
Barium:
Boron:
Zirconium:
Cerium + Lanthanum:
Iron:
Residual Elements:

Physical Properties

Tensile Strength:
90 ksi Min
Yield Strength:
60 ksi Min
Elongation at 2 in.:
25% Min
Reduction of Area: