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431S29 – martensitic stainless steel

431S29 is a martensitic stainless steel that providesĀ an excellent resistance to corrosion, optimally whilst hardened and tempered.


BS 1554


Element Min Max
C (Carbon) 0.12% 0.2%
Cr (Chromium) 15% 18%
Mn (Manganese) 1%
Ni (Nickel) 2% 3%
P (Phosphorus) 0.04%
S (Sulphur) 0.03%
Si (Silicon) 1%
Mechanical Properties Min Max
Ultimate Tensile Strength (UTS) 920 MPa

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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