ASTM A109 Temper 4

ASTM A109 Temper 4
Category Steel
Class Carbon steel
Composition
Element Weight %
C  0.15
Mn  0.60
P  0.035
S  0.04
Si  0.90 (max)
Cr  0.8 (max)
Cu  0.20min
Zr  0.05min
Ti  0.1 (max)
B  0.0025 (max)
Nb  0.005-0.06
Mechanical Properties
Properties  Conditions
T (°C) Treatment
Density (×1000 kg/m3) 7.7–8.03 25
Poisson’s Ratio 0.27-0.30 25
Elastic Modulus (GPa) 190–210 25