... , 6m or custom 4.HS:7304199000 5.Certification: API, ISO stainless steel pipe details: OD 20—830 ( mm ) Thickness Hot rolled: 4.5 ... 201, 202, 301(1Cr17Ni17) , 304(0Cr18Ni9) ,304L(00Cr19Ni10) ,321(1Cr18Ni9Ti), TP316l(0Cr17Ni12Mo2) ,316L(00Cr17Ni14Mo2),310S(0Cr25Ni20) ,317L(00Cr19Ni13Mo3) Standard GB/T14976 ... could be customized also Packing According to the customers’ requirements stainless steel pipe