Duplex & Super Duplex Steel Pipes manufacturer | Supplier | Exporter
MH Shah. is indulged in manufacturing and exporting the best grade Duplex Steel S31803 Pipe globally. These Pipes can be availed from us in a number of dimensions, sizes, specifications, and measurements, which may also be customized at standard and non-standard types as per the desirable requirements of the clients. Duplex Steel S31803 consists a number of chemical components, including molybdenum, nickel, and chromium, specially created for demanding applications that require exceptional durability. Duplex Steel S31803 Pipes ideal to use in many industrial applications. Duplex Steel S31803 Pipes has exceptional characteristics, which are making them ideal for all applications that are simulated. These Pipes are also accessible in most specifications and dimensions, which makes them more suitable to use. Furthermore, these Pipes are effective to use in subzero temperatures. Duplex Steel S31803 Pipes have outstanding resistance to compound bearing environments such as hydrochloric, tartaric acids, formic, acid sulfuric, and so forth. These exceptional features make these Duplex Steel S31803 Pipes are found appropriate to use in any environmental condition, such as decking and sulfide. All these Steel S31803 Pipes are welded by squeezing the plates, linking the seam, and polishing the weld flash using scarfing blades.
Also, these Pipes have superior durability. Its flexible properties make it that the Best way for manufacturing industries. Duplex Steel S31803 Pipe is manufactured for their use by the Hydraulic piping Heat exchangers, Oil Industry, Filtration Industry, and Refrigeration Industry, gas Industry, Industry. At MH Shah, Our team is also maintaining a strict watch on continuing Industry demands to fabricate Duplex Steel Pipe accordingly.
Thus we have quality checking department in our unit. The team assesses every product during the production process so we don’t deliver any defective product. We assure to meet with our client’s demands within the decided time. We also offer all the required documents and test Certificates to our clients at the right time of delivery so they can even have evidence of the highest quality. We are supplying and Exporting our Pipes without defect.
S31803 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 Pipes Manufacturing Shapes | Hydraulic, Round, Rectangle, Square, Hex, Honed |
Duplex S31803 Pipe Manufacturing Techniques | Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded |
Duplex Steel S31803 Pipe Schedule Thickness Range | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
ASME SA790 Duplex UNS S31803 Pipes End Types | Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends) |
Delivery Condition of Duplex S31803 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 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 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 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
Grade S31803 pipe | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
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 | Seamless 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 | Seamless 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 Seamless Pipes for pressure purposes |
EN 10217 / EN 10217-7 | DS Welded Pipes for pressure purposes |
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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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