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SA540 B24

SA540 B24 is an alloy-steel that’s practical for use within Nuclear applications.


SA540 B24
4340 Mod.


Alloy Steel

Element Min Max
C (Carbon) 0.37% 0.44%
Mn (Manganese) 0.7% 0.9%
P (Phosphorus) 0.025%
S (Sulphur) 0.025%
Si (Silicon) 0.15% 0.35%
Cr (Chromium) 0.7% 0.95%
Ni (Nickel) 1.65% 2%
Mo (Molybdenum) 0.3 0.4%
Mechanical Property Min Max (to 6 incl.)
Tensile Strength 120 ksi
Yield Strength 0.2 offset 105 ksi
Elongation 15%
Reduction of Area 50%
Hardness (Brinell) 248 HB 311 HB

Applications of SA540 B24 include but are not limited to;
Nuclear Applications and bolting.

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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