United States · ASME

SB-271 C95300

ASME SB-271

Chemical composition

wt% · log scale
0.11101001000Al9 – 11Cu86Fe0.8 – 1.5
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥170 MPaTensile strength Rm≥450 MPaElongation A≥20 %HardnessHBCentrifugal castings, As castYield strength Rp0.2≥275 MPaTensile strength Rm≥550 MPaElongation A≥12 %HardnessHBCentrifugal castings, Heat treated

Chemical composition

ElementminmaxSimilarRemarks
Al911
Cu86
Fe0.81.5
OtherCu plus sum of named elements min.99.0%

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
Centrifugal castings, As cast≥170≥450≥20 Lo = 50mmHB ≥110 3000-kG Load
Centrifugal castings, Heat treated≥275≥550≥12 Lo = 50mmHB ≥160 3000-kG Load