International standard · ISO

2024

ISO/R 2147:1971 — ISO/R 2147

Chemical composition

wt% · log scale
0.010.1110Cr0.1Cu3.8 – 4.9Fe0.5Mg1.2 – 1.8Mn0.3 – 0.9Others each0.05Si0.5Ti0.15Total Others0.15Zn0.25
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥265 MPaTensile strength Rm≥392 MPaElongation A≥11 %

Chemical composition

ElementminmaxSimilarRemarks
Al​​Bal​​​​Bal​​
Cr0.1
Cu3.84.9
Fe0.5
Mg1.21.8
Mn0.30.9
Others each0.05
Si0.5
Ti0.15
Total Others0.15
Zn0.25

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
forgings, Solution heat treated and naturally aged≥265≥392≥11