Comparison to International Standards: ASTM: C93700 SAE : 64 DIN : 1716 - 73 GCuPb10Sn BS : BS - 1400 - LB2 JIS : CAC 603 ( LBC3) Mechanical Properties: Yield strength 16 - 22 kg/ mm2 Tensile strength 29 - 40 kg/ mm2 Elongation 5 - 15 % Hardness ( HB) 80 - 90