(i) Sn / 2.8Ag / 0.7Cu (ii) 99.3SN / 0.7Cu
63 / 37 (Std / Big) 60 / 40 (Std / Big) 50 /50 (Std / Big)
63 / 37 @0.6, 0.8, 1.0, 1.2, 1.6, 1.8, etc 50 / 50 @ 1.6mm 70 / 30 @ 1.2mm