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

Zhejiang Zhongwu Tube Manufacturing Co.,Ltd



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Home ProductsDuplex Stainless Steel Pipes

ABS Astm A790/790m Uns S32750 1.4410 Super Duplex Pipe

ABS Astm A790/790m Uns S32750 1.4410 Super Duplex Pipe

  • ABS Astm A790/790m Uns S32750 1.4410 Super Duplex Pipe
  • ABS Astm A790/790m Uns S32750 1.4410 Super Duplex Pipe
  • ABS Astm A790/790m Uns S32750 1.4410 Super Duplex Pipe
ABS Astm A790/790m Uns S32750 1.4410 Super Duplex Pipe
Product Details:
Place of Origin: CHINA
Brand Name: YUHONG
Certification: ABS, GL, BV, GOST, TS, CCS, CNNC, ISO
Model Number: ASTM A790/790M UNS S32750 (1.4410)
Payment & Shipping Terms:
Minimum Order Quantity: 100 KGS
Price: USD
Packaging Details: Plywood Case /Iron Case/ Woven Bag
Delivery Time: 15- DAYS
Payment Terms: L/C, T/T
Supply Ability: 1500 tons per month
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Detailed Product Description
Material Grade: UNS S32750 (1.4410) Type: Straight Tube & U Bend Tube
WT Size: 0.89MM, 1MM, 1.24MM, 1.5MM, 1.65MM, 2MM, 2.11MM, 2.463MM, 2.5MM, 2.77MM, 3.05MM, 3.4MM Inspection: ET, HT, UT , PMI
OD Size: 6.35MM , 9.52MM, 12.7MM , 15.88MM , 19.05MM, 20MM, 22,23MM, 25MM, 25.4MM , 31.75MM, 38.1MM , 44.45MM, 50.8MM , 63.5MM , 76.2MM, 88.9MM, 101.6MM, 152.4MM
High Light:

astm a790 uns s32750


1.4410 super duplex pipe


ABS super duplex pipe

Stainless Steel Welded Pipe ASTM A790/790M UNS S32750 1.4410 Super Duplex



YUHONG SPECIAL STEEL 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.


Standards: ASTM/ASME A789/SA789, A790/SA790,A450,A530

Material: UNS S31803(Cr22Ni5Mo3/1.4462)/2205,UNS S32750(1.4410),UNS S31500(Cr18NiMo3Si2),




Chemical Composition














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


ABS Astm A790/790m Uns S32750 1.4410 Super Duplex Pipe 0

Contact Details
Yuhong Group Co.,Ltd

Contact Person: Xylia

Tel: +8617742086910

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