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BS 2S144 – Precipitation hardened stainless steel

Bs 2S144 is a precipitation hardened stainless steel that offers a high mechanical strength as well as a moderate resilience to most forms of corrosion.


BS 2S144


Element Min Max
C (Carbon) 0.07%
Cr (Chromium) 13.2% 14.7%
Cu (Copper) 1.2% 2%
Mn (Manganese) 1%
Mo (Molybdenum) 1.2% 2%
Nb (Niobium) 0.1% 0.5%
P (Phosphorus) 0.035%
S (Sulphur) 0.025%
Si (Silicon) 0.7%
Mechanical Properties Min Max
Ultimate Tensile Strength 930 MPa 1080 MPa
2.% Proof Stress 780 MPa
Elongation 15%
Gauge Length 5.65vSo


Ease of machinability
Good weld-ability and Workability

Typically used for applications within the defence and aerospace 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.
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