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Nestled in the heart of Naypyidaw, Wai Nickel Alloys stands as a dedicated manufacturer and supplier committed to providing robust solutions for demanding industries. We take pride in our expertise with Duplex Steel S31803 Sheet and Plates, materials engineered to excel where others fall short. Our focus is on delivering products that offer a remarkable balance of strength and corrosion resistance, ensuring your projects are built on a foundation of reliability and longevity, sourced directly from Myanmar’s growing industrial landscape.
The strength of Duplex Steel S31803 lies in its unique composition, which carefully blends chromium, nickel, molybdenum, and nitrogen. This specific formula gives the material an excellent combination of high tensile strength and impressive resistance to a wide range of corrosive threats, including stress corrosion cracking. Essentially, you get a material that is about twice as strong as standard austenitic stainless steels, yet it maintains a fantastic ability to withstand pitting and crevice corrosion in challenging environments, making it a truly versatile choice.
Specifications : ASTM A240 / ASME SA240
Dimensions : ASTM, ASME, and API
Width : 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Thickness : 4mm-100mm
Length : 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Surface Finish : 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, chequered, embossed, hairline, sand blast, Brush, etching, Hot rolled plate (HR), Cold rolled sheet (CR), SATIN (Met with Plastic Coated) etc
Hardness : Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Form : Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S31803 | 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 |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
At Wai Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex S31803 Sheets and Plates in Naypyidaw, Myanmar, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Myanmar, 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.
This unique set of properties makes Duplex Steel S31803 Sheet and Plates incredibly valuable across many critical sectors. You’ll find them at work in the heart of chemical processing plants, handling aggressive acids, and within desalination units that turn seawater into fresh water. They are essential for constructing robust storage tanks and pressure vessels in the oil and gas industry, and their longevity is equally appreciated in architectural marine projects like bridges and waterfront structures, where saltwater exposure is a constant challenge.