... than 20 years experience in special fastener field Name: copper pipe fitting Ability for the material of this kind of ... 10.9,12.9,etc Carbon steel Gr.B,Gr.C,Gr.D,Gr.36,Gr.58,1010,1015,1016, ... surface finish: Electroplate Zinc plated(while,colour,dacroment),Nickel plated,copper plated,gold plated,chrome(3+Rohs &6+ ) plated,anodic ... for exporting so that you couldavoid lots of risks. copper pipe fitting