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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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12mm Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760

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12mm Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760

Brand Name : TOBO/TPCO/TISCO/VALIN/METAL

Model Number : ASTM A789 A790 UNS32750 S32760

Certification : ISO/PED/TUV/SGS/LR/BV

Place of Origin : China/Japan/Germany

MOQ : 0.5-1 tons

Price : negotiable

Payment Terms : T/T, L/C, Western Union, MoneyGram

Supply Ability : 6000TONS/MONTH

Delivery Time : According to the qty

Packaging Details : in plastic bags then in bundles

Standard : ASTM A790/A789

Color : white Silver gold

Types : Super Duplex SS Seamless Pipe

Outer Diameter : 6mm-710mm

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12mm Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760
Brand Name: TOBO
Model Number: ASTM A789 A790 UNS32750 S32760
Certification: SGS/BV/ABS/LR/TUV/DNV/BIS/API/PED
Place of Origin: China

Product Name Super Duplex SS Seamless Pipe Product Type Duplex Stainless Steel Tube
OD 6mm-710mm WT 2.5mm-50mm
Connection Duplex Stainless Material Grade

UNS32750 S32760

Type: Duplex Stainless Steel Pipe / Tube Surface Finish Pickled And Aneanled
Standard ASTM A789 A790
Minimum Order Quantity: 1pcs
Price: Depending on quantity
Payment Terms: T/T or Western Union or LC
Supply Ability: 3,0000pcs per month
Delivery Time: 10-100 days depending on quantity
Packaging Details: PLY-WOODEN CASE OR PALLET

Detailed Product Description
Pickled Annealed Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760
Standards: ASTM/ASME A789/SA789, A790/SA790,A450,A530
Material: UNS S31803(Cr22Ni5Mo3/1.4462)/2205,UNS S32750(1.4410),UNS S31500(Cr18NiMo3Si2),
UNS32760(1.4501)
Chemical Composition

Grade C
max
Si
max
Mn
max
P
max
S
max
Cr Ni Mo N
UNS S32750 0.030 0.8 1.2 0.030 0.015 24.0-26.0 6.0-8.0 3.0-5.0 0.24-0.32
UNS S31803 0.030 1.0 2.0 0.020 0.020 21.0-23.0 4.5-6.5 2.5-3.5 0.08-0.20
UNS S31500 0.030 1.0 1.2-2.0 0.030 0.030 18.0-19.0 4.5-5.5 2.5-3.5 0.05-0.10


Physical Properties

Grade Y.S.MPa min T.S.Mpa min Elongation % Hardness HRC
UNS S32750 550 800 15 20
UNS S31803 450 620 25 20
UNS S31500 440 630 30 20


Duplex Stainless Steel Pipe Application:
Chemical processing, Transport and Storage.
Oil and gas exploration and offshore rigs.
Oil and gas refining.
Marine environments.
Pollution control equipment.
Pulp and paper manufacturing
Chemical process Plant
Some of the quality tests carried out by us includes:

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


Supplementary Testing : Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:

  • Eddy Current Testing
  • O.P Testing
  • Radiography Testing
  • Corrosion Testing
  • Micro Testing
  • Macro Testing
  • IGC Testing
  • Ultrasonic testing
  • Liquid Penetrate testing

12mm Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S3276012mm Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S3276012mm Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S3276012mm Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760


Product Tags:

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