TOBO STEEL GROUP CHINA
TOBO GROUP TOBO International Trading(Shanghia)Co.,Ltd Tianda Oil Pipe Co., Ltd TOBO Pipeline Equipment Co.,Ltd TPCO & TISCO Pipe(Tianjin)Co.,Ltd.
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Stainless Steel Welded Pipe GOST 9940-81 / 9941-81 08Х18Н10, 08Х18Н10Т, 12Х18Н10Т
TOBOGROUP deal with stainless steel welded pipe and tube already more than 10 years, every
year sell more than 5000 tons of stainless steel pipe and tube. Our client already cover more than 45
countries. Our stainless steel seamless pipe and tube was width used in Mining, Energy, Petrochemical,
Chemical Industry, Food plant, Paper plant, Gas and Fluid Industry etc.
Standard Specification:
ASTM A249 / A249M - 10a Standard Specification for Welded Austenitic Steel Boiler, Superheater,
Heat-Exchanger, and Condenser Tubes
ASTM A269 - 10:Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing
for General Service
ASTM A312 / A312M - 12:Standard Specification for Seamless, Welded, and Heavily Cold Worked
Austenitic Stainless Steel Pipes
ASTM A358/A358M-08a:Standard Specification for Electric-Fusion-Welded Austenitic
ASTM A778 - 01(2009)e1:Standard Specification for Welded, Unannealed Austenitic Stainless
Steel Tubular Products
ASTM A789 / A789M - 10a:Standard Specification for Seamless and Welded Ferritic Austenitic Stainless Steel Tubing for General Service
ASTM A790 / A790M - 11:Standard Specification for Seamless and Welded Ferritic Austenitic Stainless Steel Pipe
Others like BS, JIS , DIN , EN , GOST standard we all can supply .
| Corrosion Test | Conducted only when specially requested by the client |
| Chemical Analysis | Test done as per required quality standards |
| Destructive / Mechanical Testing | Tensile | Hardness | Flattening | Flare | Flange |
| Reverse-bend and Re. flat tests | Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end |
| Eddy Current Testing | Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System |
| Hydrostatic Testing | 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s . |
| Air Under Pressure Test | To check any evidence of air leakage |
| Visual Inspection | After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections |
Material Grade:
| American Standard | Austenitic Steel: TP304,TP304L,TP304H, TP304N, TP310S,TP316,TP316L,TP316Ti,TP316H, TP317,TP317L, TP321, TP321H,TP347, TP347H,904L… Duplex Steel : S32101,S32205,S31803,S32304,S32750, S32760 Others:TP405,TP409, TP410, TP430, TP439,... |
| Europen Standard | 1.4301,1.4307,1.4948,1.4541,1.4878,1.4550,1.4401,1.4404,1.4571,1.4438, 1.4841,1.4845,1.4539,1.4162, 1.4462, 1.4362, 1.4410, 1.4501 |
| Russia Standard | 08Х17Т,08Х13,12Х13,12Х17,15Х25Т,04Х18Н10,08Х20Н14С2, 08Х18Н12Б,10Х17Н13М2Т,10Х23Н18,08Х18Н10,08Х18Н10Т, 08Х18Н12Т,08Х17Н15М3Т,12Х18Н10Т,12Х18Н12Т,12Х18Н9, 17Х18Н9, 08Х22Н6Т, 06ХН28МДТ |
Size Range:
| Production | Outside Diameter | Wall Thickness |
| Welded Pipe | 6.00mm to 3600mm | 0.5mm to 48mm |
