Stainless Steel Square Pipes STANDARDS:ASTM/ASME,GB, DIN, JIS, T14975, etc. STANDARDS: ASTM / ASME, GB, DIN, JIS, T14975, etc. SPECIFICATION: O. ... Or non-regular size to be tailored as required.Stainless steel pipe Variety:square pipe,round pipe,rectangular pipe,embossed ... pipe,threaded pipe 1)Products: Stainless steel tube2)Grade: AISI 304, AISI 201, AISI 202, ...