ASTM A540 B23

ASTM A540 B23 is a high tensile alloy grade used specially for special applications such as Nuclear powerplant installations.

Alias

ASTM A540 B23

Chemistry

Alloy Steel
Base Element Fe(Iron)

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 Properties Min Max
Ultimate Tensile Strength (UTS) 827 MPa
0.2% Proof Stress 724 MPa
Elongation 15%
Gauge Length A50mm
Hardness (Brinell) 248 311 HB

Uses

Used in Nuclear and other similar Applications.