MH Shah. is a trusted manufacturing house of the best quality Duplex Steel S31803 ERW Pipe among the industry. We always offer the best quality S31803 ERW Pipes to industrial clients in a number of shapes, sizes, dimensions and specifications. We have a diverse range of Pipes that can be customized as per the requirements of our clients. We have always followed set norms of national and international quality standards to deliver the quality products to the clients.
Duplex Steel S31803 ERW Pipe is a well-set combo of high quality elements that offer the number of features to the clients. Those elements are Chromium, manganese, silicon, copper, nickel, nitrogen, phosphorous, and some quantity of carbon. Also, we always offer optimum quality S31803 ERW Pipes that are manufactured from low and high frequency Electric resistances. Longitudinal welding is allowed for S31803 ERW Pipes. S31803 ERW Pipes are manufactured with combined pressure, the edge of the pipe billet steel melted together. Duplex Steel S31803 ERW Pipe are known to possess greater strength and shows the effect of the spiral band around the pipe. Our S31803 ERW Pipes possess wear and tear property of and wear and tear resistance and corrosion resistance. Especially Duplex Steel S31803 ERW Pipe are applicable in a superior welding room because welding using X-rays.
At, MH Shah. Duplex Steel S31803 ERW Pipe are famous for offering better resistance in healthy oxidizing conditions by using cold working. When these S31803 ERW Pipes are exposed to higher temperatures, it enables to provide intergranular corrosion. The easy machinability feature enable the Pipes very handy in severe environments. S31803 ERW Pipes also delivers excellent weldability, good fabricability, sturdy construction and great dimensional accuracy. Duplex Steel S31803 ERW Pipe are used in different chemical, pharmaceuticals, petrochemicals, mining, food processing and other industries. Also, they are preferred to be used in Condensers, Boilers, Fittings.
MH Shah. has became a known producer in the industry as we design and develop our Duplex Steel S31803 ERW Pipe according to industry demands. We have our team of qualified professionals that always maintains the quality throughout the production process. For this, the team check incoming material that is being used in the production process. Only after proper testing, the material is used for further production. Several quality tests are being conducted by our quality analysts. They perform the number of destructive and non destructive tests that can be very effective to check the performance of the products. We pack the ordered Duplex Steel S31803 ERW Pipe with quality packaging, and then we deliver our Pipes in time to our clients.
|S31803 ERW Pipes Specifications||ASTM A790 / ASME SA790|
|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 ERW Pipes Manufacturing Shapes||Hydraulic, Round, Rectangle, Square, Hex, Honed|
|Duplex S31803 ERW Pipe Manufacturing Techniques||Seamless / ERW / Fabricated / CDW / 100% X Ray|
|Duplex Steel S31803 ERW Pipe Schedule Thickness Range||SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS|
|ASME SA790 Duplex UNS S31803 ERW Pipes End Types||Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends)|
|Delivery Condition of Duplex S31803 ERW 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|
Nominal Pipe Sizes
Pipe Schedule or Wall Thickness
Manufacturing Method (Seamless / ERW)
Manufacturer’s Name or Custom Logo – on request
Marked Pipe Sample: ANSI B36.19 ASTM A 790 UNS ERW 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 ERW 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 S31803||0.030 max||2.00 max||1.00 max||0.030 max||0.020 max||21.0 – 23.0||2.50 – 3.50||4.50 – 6.50||0.8 – 0.20||63.54 min|
|Grades||Density (g/cm 3)||Density (lb/in 3)||Melting Point (°C)||Melting Point (°F)|
|7.805||0.285||1420 – 1465||2588 – 2669|
|ASME SA790||ERW and straight-seam ERW austenitic pipe intended for high temperature and general corrosive service. Filler metal not permitted during welding.|
|ASTM A790||ERW 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 ERW 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 ERW large diameter austenitic light-wall pipe in sizes 14” to 30” with walls Sch5S and Sch 10S for corrosive and/or high|
|ASME SA376||ERW austenitic pipe for high temperature applications.|
|ASTM A813||Single-seam, single- or double- ERW austenitic pipe for high temperature and general corrosive applications.|
|ASME SA814||Cold-worked ERW austenitic pipe for high temperature and general corrosive service.|
|EN 10216 / EN 10216-5||Duplex Steel ERW Pipes for pressure purposes|
|EN 10217 / EN 10217-7||DS ERWW Pipes for pressure purposes|
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