tender for phosphorus bronze round bar, (latest version) as per alloy rohs specification (iso: cusn8)is:28, class-iv, hsn code: 7215, chemical composition :-- sn : - 7.5 - 9.0 , p:- 0.02 - 0.10, pb:- 0.05 max.,cu : remainder , size : dia 150 mm x 300mm long .
