Packing: General bunch packing/wooden case/negotiating packing Outside diameter: OD108-OD530 (mm) Wall thickness: 4.0-30 (mm ) Length: 4 -13M Steel grade 301(1Cr17Ni17), 304 Moderate Frequency (0Cr18Ni9), 304 AOD (0Cr18Ni9), 304L(00Cr19Ni10), 321 M oderate Frequ ency (1Cr18Ni9Ti), 321 AOD (1Cr18Ni9Ti), 316(0Cr17Ni12Mo2), 316L(00Cr17Ni14Mo2), 310S(0Cr25Ni20) Specification GB/T14975-2002, GB/T14976-2002, GB13296-91, GB9948-88, ASTM/ASME A213/SA213, ASTM/ASME A312/SA312, ASTM/ASME A269/SA269, DIN 17458-85, DIN 17456-85, JIS G 3459, JIS G 3463, JIS G 3448 JIS G 3446. Tensile strength: Standard (MPa) Yield strength: Standard (MPa) Remarks: Non-standard stainless steel pipes can be customized.