... requirements. 1,we can forge forgings according to weight ranges from 50kg-5t.2,they are mainly applied in machinery,chemical ... ISO9001:2000 and passed the authentication of "Classification Society".5,we usualy use material of steel type of 15#,20#,25#,30#.35#, ... .8,according to practical situation and customers' clear requirements we can render excellent heat treatment. ASTM 304 Stainless steel round ...