1.Main Size: M(16-64)*(100-6000), or according to customers' request 2.Material:Carbon steel or alloy steel 3.Standard: ASTM A193 B7 4.Surface finishes: Zinc-plated(Black or Plain), Hot dip galvanizing, Dacromet, etc. 5.An inquiry shall include product name, standard, size, property class, surface treatment, quantity, packaging and other special requirements. |