Call us on +44 (0) 1709 570212


UNS 31803


UNS 31803
X2 CrNiMoN 22 5
Z3 CND 22.05 Az


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



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

Information is given for illustrative purposes only. Tachart accepts no responsibility for the accuracy of the data contained within or the use of the data by any other party.
This page is protected by copyright but may be freely distributed but not reproduced without permission.

error: Content is Copyright Tachart Bolt & Nut Manufacturing !!