Comparison to International Standards: ASTM : C95800 Alloy 9D DIN : 1714 - 73 GCuAl10Ni BS : BS - 1400 - 73 AB2 JIS : CAC 703 ( ALBC 3) Mechanical Properties: Yield strength 25 - 31 kg/ mm2 Tensile strength 68 - 75 kg/ mm2 Elongation 18 - 40 % Hardness ( HB) 140 - 180 Applications: For gear application in heavy loads and slow speed, with good lubrication and alignment.