Stainless Steel Tubes/Pipes (304H 304N 304LN) 1. OD: 10-800mm. 2. Thickness: 0.25-10mm. 3. Length: 4000mm to 12000mm, or option. 4. Tolerance: OD: +- 0.2mm, WT: +-0.05mm, Length: +-5mm. 5. Material: 904L, 317L, 316TI, 316H, 316L, 316, 310S, 310H, 309S, 309H, 347, 347H, 321, 321H, 304H, 304L, 304, 301, 302, 303, 202, 304LN, 317LN, 310, 317, 314, 304TI, 321TI, 317J1, 316J1 and so on. 6. Finish: Hairline satin, #80, #18, #240, # 320, # 400, # 600 Polish. 7. Package: Individually in plastic bag, weave bundle outter packing or depend on cutomers request. 8. Certificate: ISO9000/9001/9004/19011: 2000, Products quality certificate etc. 9. It's good for house, building, shopping mall, inside or outside projects. 10. Standard: ASTM AISI GB DIN JIN JIS.