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Al Vishwas Nickel Alloys, based in Dubai, UAE, distinguishes itself as a leading manufacturer and supplier of premium Duplex Steel S31803 Nuts, engineered to perform in demanding industrial environments. The company combines advanced manufacturing methods with strict quality inspections to produce nuts that deliver exceptional corrosion resistance, mechanical strength, and durable dependability. Al Vishwas Nickel Alloys offers Duplex Steel S31803 Nuts in an assortment of sizes and specifications to serve the requirements of various industries. Concentrating on fields such as oil and gas, petrochemicals, marine engineering, power generation, and chemical processing, the company enjoys a strong reputation for supplying dependable, high-performance fastening solutions that emphasize safety and longevity.
|
Material
|
Specification
|
Standards |
Size
|
Length
|
|
Duplex Steel S31803 |
IS BS ASTM |
ASTM / ASME – A/ SA 479 / 479
|
3 mm |
M02 to M30 |
| Cr | N | Ni | C | Mn | Si | P | S | Mo | |
|---|---|---|---|---|---|---|---|---|---|
| S31803 | min: 21.0 max: 23.0 | min: 0.08 max: 0.20 | min: 4.5 max: 6.5 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.02 max | min: 2.5 max: 3.5 |
| S32205 | min: 22.0 max: 23.0 | min: 0.14 max: 0.20 | min: 4.5 max: 6.5 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.02 max | min: 3.0 max: 3.5 |
Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) | Yield Strength 0.2% Proof (MPa) min | Hardness Rockwell C (HR C) |
|---|---|---|---|---|
UNS-S 31803 | 650-880 | 25 | 448 | |
UNS-S 32205 | 621 | 25 | 448 | 21 max |
At Al Vishwas Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Nuts in Dubai, UAE, delivering advanced solutions for every one of your piping requirements. Our modern manufacturing facilities are strategically positioned in the UAE, enabling us to keep an extensive stock of more than 16,000 tons of top-quality materials available on hand. We are committed to supplying outstanding products and services, guaranteeing dependability and excellence for our worldwide customers.
Reach out to us for a fast quote tailored to your requirement.
Duplex Steel S31803 Nuts are widely applied across industries where strength, durability, and corrosion resistance are essential. Within the oil and gas sector, they serve in pipelines, offshore platforms, and drilling equipment exposed to extreme conditions. Chemical and petrochemical plants depend on them for reactors, pressure vessels, and processing equipment that deal with aggressive chemicals. The marine and shipbuilding industries count on S31803 Nuts for seawater handling systems, keeping their applications sturdy and dependable even in the toughest environments.
