... steel pipe material: 201,301,304,321,316L,309S,310S, OD: 10~500mm technical: seamless,Stainless steel pipeOur company mainly engages ... : 9mm~500mmPurpose: industry, building ornamentTechnical : seamless, weldedShape: round, square, flat OD:6-2500mm thickness:1-150mm Health level 304 stainless steel ...