What is Duplex & Super Duplex Steel S31803 Forged Fittings ?
Sumit Impex offers a wide extent of Duplex Steel S31803 Forged Threaded Fittings, which are offered by us in variegated sizes and estimations at industry driving rates. Duplex Steel S31803 Forged Threaded Elbow depicts a gathering of solidified steels that are neither totally austenitic, as 304 flawless, nor completely ferritic, as 430 faultless. Duplex Steel S31803 Forged Threaded Tee is the most extensively used duplex tempered steel level and is portrayed by exceptional yield quality, twofold that of the standard austenitic solidified steel levels. Duplex Steel S31803 Forged Threaded Cross is routinely used in Marine Industry and Shipbuilding, for instance, in Propellers and Shafts, Rudders, Shaft Seals, Pumps, Bolts and Fasteners, Valves, Instrumentation, Oil and Chemical Tankers. In the meantime, these Duplex Steel S31803 Forged Threaded Cap are similarly being offered in different sizes and shapes to our customers. Despite when the rigging has satisfactory power, settlement must be made for higher spring – back achieved by the high caliber of Duplex Steel S31803 Forged Threaded Fittings.

2205 Duplex Steel Forged Threaded 90deg. Elbow, Duplex Steel UNS SS31803 Threaded Bushing, Duplex Steel Threaded Fitting, Duplex Steel S31803 Threaded Fittings, Duplex Steel S31803 Threaded Cap, Duplex Steel S31803 Threaded Pipe Elbow Supplier in Mumbai, India.
In the game plan fortified condition from around 1925 Degree F, Duplex Steel S31803 Forged Threaded Coupling has a microstructure with around 40 % – 50 % ferrite. Grain size of Duplex Steel S31803 Forged Threaded Union (imparted as a lamellar isolating) is fine, dependent upon thing structure. Duplex Steel S31803 Forged Threaded Bushing is difficult to outline on account of its high caliber and work hardening rate.
ASTM/ASME B366/SB366 Duplex & Super Duplex Steel S31803 Forged Fittings Specifications
Grade | Duplex UNS S31803 |
Standard | ASTM A182 & ASME SA182 |
Dimensions | ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
Size | 1/8” NB to 4” NB (Socketweld & Screwed-Threaded) |
Form | 90 Elbow, 45 Elbow, Long Radius Elbow, Short Radius Elbow, Concentric Reducer, Eccentric Reducer, Equal Tee, Unequal Tee, Lateral Tee, Cross, Bends 1.5d, 3d, 5d, 10d, U bend, 180 Deg Bend, Short Stub End, Long stub end, End Cap, Dish Cap |
Schedule | SCH 5 To SCH XXS |
Wall Thickness | from 2 to 40 mm |
Type | Seamless / Welded / Fabricated |
STANDARD | WERKSTOFF NR. | UNS |
Duplex S31803 | 1.4462 | S31803 |
Grade | C | Mn | Si | S | Cu | Ni | Cr | Fe | Mo | P |
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 |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Other Products
WNR. 1.4462 Threaded Forged Fittings | Duplex S31803 Forged Fittings |
Duplex S31803 Threaded Lateral Tee | Duplex S31803 45 Deg Forged Threaded Elbow |
ASTM B182 Duplex S31803 90 Deg Threaded Elbow | Duplex S31803 Threaded Cross |
Duplex S31803 Threaded Cross | Duplex S31803 Threaded Cap |
Duplex S31803 Threaded Coupling | Duplex S31803 Threaded Union |
Duplex S31803 Threaded Bushing | Duplex S31803 Forged Threaded Plug |
ASTM/ASME A182/SA182 Duplex & Super Duplex Steel S31803 Forged Fittings
- Duplex Steel S31803 Forged Fittings
FOB Price: USD $0.5-1000 / Piece - Duplex Steel S31803 Threaded Fitting
FOB Price: USD $0.5-1000 / Piece - Duplex Steel S31803 Forged Threaded Fittings
FOB Price: USD $0.5-1000 / Piece - ASTM A182 S31803 duplex steel Forged Fitting
FOB Price: USD $0.5-1000 / Piece - Duplex Steel S31803 Threaded Fittings
FOB Price: USD $0.5-1000 / Piece

Packaging
We Sumit Impex Ensure the best quality of Packing , because its play important role especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put extraordinary concern regarding packaging.
We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,
- Boxes and Crates
- Shrink-wrapped
- Carton boxes
- Wooden pallets
- Wooden boxes
- Wooden crates

Testings (Destructive, Non Destructive)
- Mechanical Testing Such as Tensile, Elongation, Reduction of Area
- Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
- Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
- Positive Material Identification – PMI Testing
- Chemical Analysis – Spectro Analysis
- Intergranular Corrosion (IGC) Test
- Pitting Resistance Test
- Dye Penetrant Test (DP Test)
- Micro Test
- Macro Test
- Hardness Test
- Flaring Test
- Flattening Test
- Hydrostatic Test
- Radiography Test
- Ultra Sonic Test (UT)
- Eddy Current Testing
- Impact Test
- Bend Test

Application Industries
These material are not a single material but the name for a family of corrosion resistant steels. Like many scientific breakthrough the origins of stainless steel lies in a lucky accident. From the smallest part of zipper to the largest building skyscraper, stainless steel is an essential part of modern life.Stainless steel’s strength, resistance to corrosion and low maintenance make it the ideal material for a wide range of applications. It is also has a long life cycle and is 100% recyclable.
- Construction
- Bridges
- Petrochemical Industry
- Ship Building
- Engineering
- General Structural Purposes
- Offshore and Onshore Services

Stainless Steel Sheet Manufacturers












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