... Stainless steel pipe 304 for food grade Size: OD:5mm-600mm. Thickness: 1-20mm Length:6m Grade:300G,400G Brand: JIANHUI ... : Seamless austenitic stainless steel pipes 2) Process method: Cold drawn/cold pilgered 3) Material: TP304, TP304L, TP316/TP316L, TP321 ... natural gas industry, environmental protection, pharmaceutical chemical, food machinery, water supply, architecture and boiler heat exchangers.