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UNS 31803

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Alias

UNS 31803
X2 CrNiMoN 22 5
1.4462
Z3 CND 22.05 Az

Chemistry

Base Element Fe (Iron)

Element Amount (Max/Min)
C (Carbon) 0.03%
Cr (Chromium) 21 23%
Mn(Manganese) 2%
Mo(Molybdenum) 2.5 3.5%
N (Nitrogen) 0.08% 0.20%
Ni (Nickel) 4.5 6.5%
P (Phosphorus) 0.03%
S (Sulphur) 0.02%
Si(Silicon) 1%
Mechanical Property Statistic (Max/Min)
Ultimate Tensile Strength (UTS) 620 880 MPa
0.2% Proof Stress 450 MPa
Elongation 25%
Reduction of Area 45%

Heat treatment; Solution temperature = 1020-1100 degrees C
Cools in water, air; cooling sufficiently rapid

Uses

Bolting

Commonly used within the Chemical Processing, Oil and Gas, Pulp and paper and Marine industries.

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