... B348 2)Grade:GR1,GR2,GR5,GR23ELI 3)Shape:Round,Square,Hexagonal 4)Size:100mm*300~6000mm ... 1 can be used in the drawing parts for its good elongation and excellent corrosion-resistance.(2 ... in some fittings parts and fastening pieces,but for complex shape need 300 degree celsius to form.(5)Alloy ... ASTM B348, ASTM B3812)Grade: GR1,GR2,GR5,GR23ELI3)Shape: Round,Square,Hexagonal4)Size: DIA > 7-230mm Length ...