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TOBO Pipeline Equipment Co.,Ltd                    Huxin Stainless steel Co.,Ltd

TPCO & TISCO Pipe(Tianjin)Co.,Ltd.                Metal Industrial Group UK Ltd.

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Home ProductsDuplex Stainless Steel Pipe

Pickled Annealed Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760

Certification
Good quality Stainless Steel Elbow for sales
Good quality Stainless Steel Elbow for sales
In the latest vendor rating, TOBO won the excellent rating, it is good, will continue to cooperate.

—— Brazil---Aimee

ASTM A213 T9 Alloy steel pipe ,Stable quality , good price, excellent serive, TOBO GROUP is our trustworthy partner .

—— Thailand ---Dave Mulroy

ASTM A182 F55 Super Duplex Flange ,Good quality , we like that ! And delivery time in time also ,very professional.

—— USA ---Alfaro

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Pickled Annealed Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760

China Pickled Annealed Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760 supplier
Pickled Annealed Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760 supplier Pickled Annealed Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760 supplier Pickled Annealed Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760 supplier Pickled Annealed Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760 supplier Pickled Annealed Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760 supplier

Large Image :  Pickled Annealed Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760

Product Details:

Place of Origin: China/Japan/Germany
Brand Name: TOBO/TPCO/TISCO/VALIN/METAL
Certification: ISO/PED/TUV/SGS/LR/BV
Model Number: S31803/S31500/S32750

Payment & Shipping Terms:

Minimum Order Quantity: 0.5-1 tons
Price: negotiable
Packaging Details: in plastic bags then in bundles
Delivery Time: According to the qty
Payment Terms: T/T, L/C, Western Union, MoneyGram
Supply Ability: 6000TONS/MONTH
Detailed Product Description
Standard:: ASTM/ASME A789/SA789, A790/SA790,A450,A530 Color: White Silver Gold
Types:: Duplex Stainless Steel Pipe / Tube Material Grade: UNS S31803(Cr22Ni5Mo3/1.4462)/2205,UNS S32750(1.4410),UNS S31500(Cr18NiMo3Si2),
Outer Diameter: 6mm-21.3mm / 0.8mm-4mm

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

 

Inspection & Test
1.100% PMI, Spectro Chemical Analysis Test for Raw Material
2.100% Dimension & Visual Examination 
3. Mechanical Properties Test Include Tension Test Flattening Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test
4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test  (ET or UT) 
5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor)
6.Straightness Test  (optional)
7.Roughness Test (optional)
8.Intergranular Corrosion Test(optional)
9.Impact Test (optional)
10.Grain Size Determinations (optional)
NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION.

 

 

Pickled Annealed Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760Pickled Annealed Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760Pickled Annealed Super Duplex SS Seamless Pipe ASTM A789 A790 UNS32750 S32760
 
 
 
 

Contact Details
TOBO STEEL GROUP CHINA

Contact Person: ellen

Tel: +8615821287672

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