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

Zhejiang Zhongwu Tube Manufacturing Co.,Ltd

 

 

Home
Products
About Us
Factory Tour
Quality Control
Contact Us
Request A Quote
Home ProductsDuplex Stainless Steel Pipes

Duplex Stainless Steel Pipe, ASTM A790/790M ,A789/789M S31803 (2205 / 1.4462), UNS S32750 (1.4410),6" SCH40 6M

Duplex Stainless Steel Pipe, ASTM A790/790M ,A789/789M S31803 (2205 / 1.4462), UNS S32750 (1.4410),6" SCH40 6M

    • Duplex Stainless Steel Pipe, ASTM A790/790M ,A789/789M S31803 (2205 / 1.4462), UNS S32750 (1.4410),6" SCH40 6M
    • Duplex Stainless Steel Pipe, ASTM A790/790M ,A789/789M S31803 (2205 / 1.4462), UNS S32750 (1.4410),6" SCH40 6M
    • Duplex Stainless Steel Pipe, ASTM A790/790M ,A789/789M S31803 (2205 / 1.4462), UNS S32750 (1.4410),6" SCH40 6M
    • Duplex Stainless Steel Pipe, ASTM A790/790M ,A789/789M S31803 (2205 / 1.4462), UNS S32750 (1.4410),6" SCH40 6M
    • Duplex Stainless Steel Pipe, ASTM A790/790M ,A789/789M S31803 (2205 / 1.4462), UNS S32750 (1.4410),6" SCH40 6M
  • Duplex Stainless Steel Pipe, ASTM A790/790M ,A789/789M S31803 (2205 / 1.4462), UNS S32750 (1.4410),6" SCH40 6M

    Product Details:

    Place of Origin: China
    Brand Name: YUHONG
    Certification: ABS, GL, BV, GOST, TS, CCS, CNNC, ISO
    Model Number: ASTM A790/790M S31803 (2205 / 1.4462), UNS S32750 (1.4410)

    Payment & Shipping Terms:

    Minimum Order Quantity: 100 KGS
    Packaging Details: Plywood Case /Iron Case/ Woven Bag
    Delivery Time: 15- DAYS
    Supply Ability: 1500 tons per month
    Detailed Product Description
    Material Grade: S31803 (2205 / 1.4462), UNS S32750 (1.4410) Inspection: ET, HT, UT , PMI
    Type: Straight Tube & U Bend Tube 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
    WT Size: 0.89MM, 1MM, 1.24MM, 1.5MM, 1.65MM, 2MM, 2.11MM, 2.463MM, 2.5MM, 2.77MM, 3.05MM, 3.4MM

    Duplex Stainless Steel Pipe, ASTM A790/790M S31803 (2205 / 1.4462), UNS S32750 (1.4410)

     

     

    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

    Duplex Stainless Steel Pipe, ASTM A790/790M ,A789/789M S31803 (2205 / 1.4462), UNS S32750 (1.4410),6" SCH40 6M

    Contact Details
    Yuhong Group Co.,Ltd

    Contact Person: Aaron

    Tel: +8618658525939

    Send your inquiry directly to us (0 / 3000)