ASTM A312 304/304L/316L/310S/321 Stainless steel pipe 1. Size: 6-630m 2. Standard:ASME, ... JISB,DIN etc. 3. Wall Thickness:SCH5S 304/304L Stainless steel pipe1. Standard : According to ASTM /ASME /SA312 , ASTM ... transportation pipes; gas transportation pipes;boiler tubes;structure pipes; hygeian tube. protection, boiler, heater exchanger, pressure container, condensator, water, decorative pipe, ...