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Zhejiang Yuhongwell Steel Co.,Ltd

Zhejiang Zhongwu Tube Manufacturing Co.,Ltd

 

 

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ASTM A790 S31803 Duplex Stainless Steel Seamless Tube

ASTM A790 S31803 Duplex Stainless Steel Seamless Tube

  • ASTM A790 S31803 Duplex Stainless Steel Seamless Tube
  • ASTM A790 S31803 Duplex Stainless Steel Seamless Tube
  • ASTM A790 S31803 Duplex Stainless Steel Seamless Tube
ASTM A790 S31803 Duplex Stainless Steel Seamless Tube
Product Details:
Place of Origin: China
Brand Name: Yuhong
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number: ASTM A790 S31803
Payment & Shipping Terms:
Minimum Order Quantity: 100 kgs
Price: Negotiable
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with Plastic Cap
Delivery Time: 7 days
Payment Terms: L/C, T/T
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Detailed Product Description
Standard: A790 Material Grade: S31803
NDT: ET, UT, HT , PT
High Light:

ASTM A790 S31803 Duplex Steel Pipes

,

Seamless Duplex Steel Pipes

,

Seamless Duplex Stainless Steel Pipes

 

ASTM A790 S31803 Duplex Stainless Steel Seamless Tube

 

ASTM A790 S31803 (1.4410)Duplex Stainless Steel Pipes

 

 

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),

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
  •  

 

ASTM A790 S31803 Duplex Stainless Steel Seamless Tube 0

Contact Details
Yuhong Group Co.,Ltd

Contact Person: Ms Sia Zhen

Tel: 15058202544

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