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X20CrNi17.2 – Martensitic stainless steel

X20CrNi17.2 is a martensitic stainless steel that offers a high tensile strength and good machinability. It also offers good resistance to corrosion and is resistive to strong oxidizing acids.

Alias

X20CrNi17.2
1.4057
X17CrNi16 2
Z15CN16 02
431S29
6S80
X16CrNi16
SUS 431
20Ch17N2
2321
F3427-X19CrNi17 2
431

Chemistry

Element Min Max
C (Carbon) 0.14% 0.23%
Cr (Chromium) 15.5% 17.5%
Mn (Manganese) 1%
Ni (Nickel) 1.5% 2.5%
P (Phosphorus) 0.045%
S (Sulphur) 0.03%
Si (Silicon) 1%
Mechanical Properties Min Max
Ultimate Tensile Strength (UTS) 780 MPa
0.2% Proof Stress 590 MPa
Elongation 15%
Hardness (Brinell) 229 HB
Charpy Impact cm^2 39 Joules
Reduction of Area 40%

Applications

Typical applications of X20CrNi17.2 include but are not limited to, Pumps, Shafting, Spindels, Bolts, Nuts, Fittings, Piston Rods etc.

Disclaimer:
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.
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