Yuhong Group Co.,Ltd
Zhejiang Yuhongwell Steel Co.,Ltd

Zhejiang Zhongwu Tube Manufacturing Co.,Ltd

 

 

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Home ProductsDuplex Stainless Steel Pipes

Duplex Stainless Steel Pipe,ASTM A789, ASTM A790, UNS32750, UNS32760 Pickled And Annealed,

Duplex Stainless Steel Pipe,ASTM A789, ASTM A790, UNS32750, UNS32760 Pickled And Annealed,

  • Duplex Stainless Steel  Pipe,ASTM A789, ASTM A790, UNS32750, UNS32760 Pickled And Annealed,
  • Duplex Stainless Steel  Pipe,ASTM A789, ASTM A790, UNS32750, UNS32760 Pickled And Annealed,
  • Duplex Stainless Steel  Pipe,ASTM A789, ASTM A790, UNS32750, UNS32760 Pickled And Annealed,
  • Duplex Stainless Steel  Pipe,ASTM A789, ASTM A790, UNS32750, UNS32760 Pickled And Annealed,
  • Duplex Stainless Steel  Pipe,ASTM A789, ASTM A790, UNS32750, UNS32760 Pickled And Annealed,
  • Duplex Stainless Steel  Pipe,ASTM A789, ASTM A790, UNS32750, UNS32760 Pickled And Annealed,
Duplex Stainless Steel  Pipe,ASTM A789, ASTM A790, UNS32750, UNS32760 Pickled And Annealed,
Product Details:
Place of Origin: China
Brand Name: YUHONG
Certification: ABS, GL, BV, PED, AD2000, GOST, TS, CCS, CNNC, ISO
Model Number: STM A789, ASTM A790, UNS32750, UNS32760
Payment & Shipping Terms:
Minimum Order Quantity: 1TON
Price: 6000--15000 USD
Packaging Details: EXPORT STANDARD
Delivery Time: 25DAYS
Payment Terms: T/T
Supply Ability: 500 TONS PER MONTH
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Detailed Product Description
Material Grade: S31803 , 2205, S32750, S32760, S31500, S32900, S32304 Standard: ASTM A789, ASTM 790, ASTM 928
NDT: ET/UT/HT Application: Petrochemical, Oil & Gas, Boiler/ Heat Exchanger/Sea Water Transfer
High Light:

super duplex seamless pipe

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duplex steel pipes

Duplex Stainless Steel Pipe,ASTM A789, ASTM A790, UNS32750, UNS32760 Pickled And Annealed

 

YUHONG GROUP deal with  Austenitic Stainless Steel, Nickel Alloy Steel(Hastelloy , Monel, Inconel, Incoloy ) seamless  and welded  pipe and tube already more than 25 years, every year sell more than 80000 tons of steel  pipe and tube. Our client already cover more than 45 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, Russia, Korea, Singapore, Austrial, Poland, France , ....And our group branch company and factory have been already approved by :ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004. 

 

Detailed Product Description

 
Super  Duplex Stainless Steel Pipe ASTM A790 S31803 (2205 / 1.4462), UNS S32750(1.4410)

 

 

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

 

 

Duplex Stainless Steel  Pipe,ASTM A789, ASTM A790, UNS32750, UNS32760 Pickled And Annealed, 0

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