... , ASTM standard or other specifications required by customers.2:Grade could be ASTM Gr.1,Gr.2,2H ,BS 4,6,8,10 ... ,12,3:Size from 1/2 to1-3/8;M10 to M48;4:Material: Carbon steel ... plated, Yellow zinc plated, Black, Dacromet, Geomet or others specified by the customers.7:Productivity: 1500tons/Month;6:Unit Price:Negotiable7 ...