Home > Duplex Steel > Duplex Steel S31803 Pipe Fittings
Chanathip Nickel Alloys & Plates, located in Bangkok, Thailand, produces a full range of Duplex Steel S31803 pipe fittings. Our product line includes elbows, tees, reducers, stub ends, and caps that follow international standards like ASME B16.9 and ASTM A815. We make these fittings from high-quality duplex stainless steel, applying strict quality control, solution annealing, and precision machining. With great strength and resistance to harsh conditions, our S31803 fittings are trusted both in Thailand and globally in industries such as chemical, oil & gas, pulp & paper, desalination, and marine infrastructure.
| ASTM A815 WPS S31803 Pipe Fittings Standard Dimensions | ASME/ ANSI B16.9, ASME B16.28, MSS-SP-43, BS1560, BS4504, BS10 ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
|---|---|
| Specifications | ASTM A815 / ASME SA815 |
| Duplex Steel S31803 Elbow | Angle : 22.5 deg, 30deg, 45 deg, 90 deg, 180 deg, 1.0D, 1.5D, 2.0D, 2.5D, 3D, 4D, 5D, 6D, 7D-40D. Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO |
| A815 WPS S31803 Pipe Fittings Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| ASTM A815 WPS 31803 Pipe fittings Thread | NPT, BSPT, BSPP |
| Duplex Steel S31803 Forged Fittings Types | Seamless / Welded / ERW / Fabricated UNS S31803 DSS Pipe Fittings |
| Duplex Steel UNS S31803 Pipe Fittings size | Seamless ASTM A815 WPS S31803 Butt Weld Fittings: 1/2″ – 10″ Welded SA 815 S31803 Butt Weld Fittings: 1/2″ – 48″ |
| Duplex Steel S31803 Forged Fittings Working Pressure | Threaded end-2000lb/ 3000lb/ 6000lbs Duplex Stainless Steel S31803 Pipe Fittings Socket-weld end-3000/ 6000/ 9000lbs Duplex Stainless Steel UNS S31803 Pipe Fittings |
| Connection | Welding |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom Stainless Duplex S31803 Pipe Fittings |
| Duplex Steel WPS S31803 Pipe Fittings Manufacturing process | Push, Press, Forge, Cast, etc. |
| SA 815 S31803 Pipe Fittings Size Range | 1/2″ NB to 24″ NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100) |
| Specialized manufacturer of | 90º Elbows, 45 degree Elbows, Tee, Cross, Couplings, Caps, Reducers, Inserts, Equal Tees & Reducing Tees, Nipples, Forged Pipe Fittings, Socket Weld & Threaded, 90° & 45° Elbows – Male-Male, Male-Female, Female-Female, Couplings, Union |
| Duplex Steel S31803 Pipe Fittings End |
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| Material Test Certificates (MTC) for Duplex UNS S31803 Pipe Fittings as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
| C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
|---|---|---|---|---|---|---|---|---|---|
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
|---|---|---|---|---|
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
At Chanathip Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Pipe Fittings in Bangkok, Thailand, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Thailand, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
S31803 pipe fittings are favored in applications that require cost-effective yet dependable performance under challenging conditions. They are widely used in water treatment, offshore structures, petrochemical plants, shipbuilding, and fire protection piping systems. The fittings can handle fluids with high chloride content, making them suitable for desalination and marine cooling systems. Due to their high strength, these fittings can reduce wall thickness in piping systems, lowering overall weight and costs. They are also utilized in renewable energy projects like geothermal and biofuel systems, where strong and corrosion-resistant materials are essential.
