Romania · ASRO

CuSn5Pb20-C

SR EN 1982

Chemical composition

wt% · log scale
0.0010.010.11101001000Al0.01Cu70 – 78Fe0.25Mn0.2Ni0.5 – 2.5P0.1Pb18 – 23S0.1Sb0.75Si0.01Sn4 – 6Zn2
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥80 MPaTensile strength Rm≥170 MPaElongation A≥6 %HardnessHBCentrifugal castings +GZYield strength Rp0.2≥70 MPaTensile strength Rm≥150 MPaElongation A≥5 %HardnessHBSand castings +GSYield strength Rp0.2≥90 MPaTensile strength Rm≥180 MPaElongation A≥7 %HardnessHBround bars

Chemical composition

ElementminmaxSimilarRemarks
Al0.01
Cu7078Analysis value for Cu may contain Ni.
Fe0.25
Mn0.2
Ni0.52.5
P0.1
Pb1823
S0.1
Sb0.75
Si0.01
Sn46
Zn2

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
Centrifugal castings +GZ≥80≥170≥6HB ≥50
Sand castings +GS≥70≥150≥5HB ≥45
round bars≥90≥180≥7HB ≥50