Duplex & Super Duplex Steel Pipes manufacturer | Supplier | Exporter
MH Shah. is a major manufacturer and provider of an extensive variety of Duplex Steel S31803 Welded Pipes. We are offering these Duplex Steel UNS S31803 Welded Pipe in various sizes, types, specifications, and customized dimensions in accordance with the industrial requirements. Duplex Steel alloy is made of a specified combination of molybdenum, nickel, and chromium content that exhibits higher low thermal expansion, mechanical power, and high thermal conductivity. These Pipes possess excellent weldability and formability attributes. Moreover, our offered Duplex Steel S31803 Welded Pipes offer higher durability, sturdy construction, versatility, and prolonged functional life. These features make our duplex steel pipes highly renewable in greater temperature and pressure conditions.
At, MH Shah. all our products are examined according to internationally accepted standards. We are ready to accomplish a high caliber of our Pipes through our sound pros and their job efficiency. At MH Shah., we pack all of the orders in quality packing stuff to cover the products and keep them from harm. Our Pipes undergo many internal test procedures, which can be developed considering the harsh field conditions. We are devoted to offering these Duplex Steel UNS S31803 Welded Pipe at very reasonable rates for our patrons.
S31803 Welded Pipes Specifications | ASTM A790 / ASME SA790 |
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Dimensional specification | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
ASTM A790 S31803 Seamless Pipe Size | 1 / 2″ NB – 16″ NB |
ASTM A790 UNS S31803 Welded Pipe Size | 1 / 2″ NB – 24″ NB |
ASTM A790 S31803 EFW Pipe Size | 6″ NB – 24″ NB |
Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
Duplex UNS S31803 Welded Pipes Manufacturing Shapes | Hydraulic, Round, Rectangle, Square, Hex, Honed |
Duplex S31803 Welded Pipe Manufacturing Techniques | Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded |
Duplex Steel S31803 Welded Pipe Schedule Thickness Range | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
ASME SA790 Duplex UNS S31803 Welded Pipes End Types | Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends) |
Delivery Condition of Duplex S31803 Welded Pipe | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
Surface Finish | No.1, No.4, No.8 Mirror Finish, 2B |
Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
Inspection and Test Reports | EN 10204 3.1, Mill Test Certificates, Chemical Reports, PMI Test Reports, Mechanical Reports, Third Party Inspection, NABL Approved Lab, Visual Inspection, Destructive Test and Non Destructive Test Reports |
Marking | Specification Grade Nominal Pipe Sizes Pipe Schedule or Wall Thickness Manufacturing Method (Seamless / Welded) Heat Number Manufacturer’s Name or Custom Logo – on request Marked Pipe Sample: ANSI B36.19 ASTM A 790 UNS Welded S31803 12″ NB SCH 40S SEAMLESS HEAT NO. XXXX |
Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Duplex Steel Pipes, Finish as per customer Requirements |
Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
Packing of Duplex UNS S31803 Welded Pipes | Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests |
Specials | Sizes and Specifications other than above can be on request |
STANDARD | WERKSTOFF NR. | UNS |
S31803 | 1.4462 | S31803 |
Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
ASME SA790 | Welded and straight-seam welded austenitic pipe intended for high temperature and general corrosive service. Filler metal not permitted during welding. |
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ASTM A790 | EFW austenitic pipe for corrosive and/or high temperature service. Typically only pipe up to 8 inch is produced to this specification. Addition of filler metal is permitted during welding. |
ASME SA790 | Seamless and straight-seam welded ferritic/austenitic (duplex) pipe intended for general corrosive service, with a particular emphasis on resistance to stress corrosion cracking. |
ASTM A409 | Straight-seam or spiral-seam EFW large diameter austenitic light-wall pipe in sizes 14” to 30” with walls Sch5S and Sch 10S for corrosive and/or high |
ASME SA376 | Welded austenitic pipe for high temperature applications. |
ASTM A813 | Single-seam, single- or double- welded austenitic pipe for high temperature and general corrosive applications. |
ASME SA814 | Cold-worked welded austenitic pipe for high temperature and general corrosive service. |
EN 10216 / EN 10216-5 | Duplex Steel Welded Pipes for pressure purposes |
EN 10217 / EN 10217-7 | DS Welded Pipes for pressure purposes |
Talk to Us Today About Your Nickel Alloy Requirements.
Sanath nagar, Hyderabad, Telangana- 500018
MH Shah Steel, established in the year 2002, is known to be one of the leading Manufacturing, Trading, Wholesaling, and Retailing of this commendable and diverse assortment of steel product.
MH Shah Steel
B54 Industrial estate, Sanath Nagar, Hyderabad, Telangana- 500018
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