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SA540 B21

Alias

SA540 B21
Cr-Mo-V

Chemistry

Alloy Steel

Element Min Max
C (Carbon) 0.36% 0.44%
Mn (Manganese) 0.45% 0.7%
P (Phosphorus) 0.025%
S (Sulphur) 0.025%
Si (Silicon) 0.15% 0.35%
Cr (Chromium) 0.8% 1.15%
Mo (Molybdenum) 0.5 0.65%
V (Vanadium) 0.25% 0.35%
Mechanical Property Min Max (to 2 incl.)
Tensile Strength 120 ksi
Yield Strength 0.2 offset 105 ksi
Elongation 15%
Reduction of Area 50%
Hardness (Brinell) 241 HB 285 HB

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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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