Standard: ASME,ASTM,EN,BS,GB,DIN,JIS,ectOrigin: Tianjin, China Type: Welded Steel grade: 200 series, 300 series, 400 series. MOQ: One container Detailed product description Stainless steel welded tubes include ASTM A554, ASTM A269, ASTM A249, ASTM A270. 1. Form: Round, square, rectangular, oval, channel U, etc. 2. Finish: 180#, 320#, hairline, satin, mirror, etc. 3. OD: 8mm ~ 720mmfor round tube; 8mm占�8mm to 100mm占�100mm for square tube; 10mm占�20mm to 60mm占�120mm for rectangular tube. 4. Wall thickness: 1mm ~ 120mm5. Tolerance: OD: +/-0.15mm; Thickness: +/-10%. 6. Material: 10 #, 20 #, 45 #, 17SIMn, 16Mn (Q345BCDE), 20G, 12CrlMoVG, 12CrMo, T91 , P91, T9, Cr5Mo (P5), 10CrMo910 (ST25 P22), 15CrMoG (P11 P22), WB36 ,12-42CrMo, 20CrNIMo, 25Cr2MoV ,25-40CrMnMo, 35Mn2VNb, 34CrMo4 ,20-40Cr, 38CrMoAI ,30-35CrMnSIA, 09CrMo, 13CrMo44, A53, SA106B, D40, N80, CrB, X42, 46, X52, X56, L245, L290, L360, 12Cr2MoWvTIB, J55, K55, L80, P110, 1Cr18N19T1, 0Cr18N19, 304,321,316,316 L, and so on.7. Packing: Each one in a soft poly bag into bundle with knitted bag or steel crate, or wooden case. 8. Application: Net framework, Boiler Manufacturing, Bridge, Airport, Shipbuilding, Undersea oil,Mechanical structure, Petrochemical enterprises, Petrochemical enterprises, Petrochemical enterprises,Swimming Pool, Underground tunnel9.Brand name: TISCO, JISCO, BISCO, BG, etc