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A540 B23

Alias

A540 B23

Chemistry

Alloy Steel

Element Min Max
C (Carbon) 0.37% 0.44%
Cr (Chromium) 0.65% 0.95%
Mn (Manganese) 0.6% 0.95%
Mo (Molybdenum) 0.2% 0.3%
Ni (Nickel) 1.55% 2%
P (Phosphorus) 0.025%
S (Sulphur) 0.025%
Si (Silicon) 0.15% 0.35%
Mechanical Property Min Max
Ultimate Tensile Strength (UTS) 827 MPa
0.2% Proof Stress 724 MPa
Elongation 15%
Gauge Length A50mm
Hardness (Brinell) 248 HB 311 HB

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