... history, ISO, PED,top material supplier. USAGE: NameStainless Steel pipeStandardGB/T12771Material Grade201 ( Ni 0.8%),202 (Ni ... 301(Ni 5%)304 (Ni 8%, Cr 18%),316 (Ni 10%, Cr 18%),316L (Ni10%~14%),430Outer Diameter21. ... tube, industrial tube, steel pipe, stainless steel sheet, stainless steel tube, stainless steel pipe, stainless steel coil, stainless steel sheet,tube,pipe Brands:JINCHUANG BRAND Number ...