stainless steel pipes/tube fitting 1.Material:stainless steel, carbon steel, brass 2. Trivalent Silver Zinc stainless steel pipes/tube fitting1. ... Material: Carbon Steel, Stainless Steel,Brass and Copper.2.Size: ... Zinc, Trivalent Yellow Zinc, Hexavalent Yellow Zinc,Chrome Plate Electric-polish etc.4.Standard: SAE J514, SAE J453, DIN ...