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Mehul Nickel Alloys, a leading manufacturer and distributor in Dubai, UAE, specializes in providing premium Duplex Steel S31803 Flanges. Known for their exceptional corrosion resistance, strength, and durability, these flanges are ideal for various demanding industrial applications, including chemical processing, oil and gas, and marine environments. With a commitment to quality and customer satisfaction, Mehul Nickel Alloys ensures that every product meets stringent international standards, delivering reliable solutions to clients across the region. Trust Mehul Nickel Alloys for top-notch Duplex Steel S31803 Flanges that excel in performance and longevity.
Duplex Steel S31803 Flanges offer superior corrosion resistance, particularly against chloride-induced stress corrosion cracking, making them ideal for harsh environments. They combine high strength with excellent toughness, resulting in reduced weight and enhanced durability. These flanges also exhibit good weldability and are resistant to pitting and crevice corrosion. Their dual-phase microstructure balances the best attributes of austenitic and ferritic steels, providing exceptional performance in chemical processing, oil and gas, and marine applications.
Specifications | ASTM A182 / ASME SA182 |
Size | 1/8″ NB TO 48″ NB |
Standards | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
Grades | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
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 Mehul Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Flanges in Dubai, UAE, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the UAE, 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.
Duplex Steel S31803 Flanges are widely used in industries requiring high strength and corrosion resistance. They are essential in the chemical processing and petrochemical sectors, particularly for handling acidic and corrosive fluids. These flanges are also used in the oil and gas industry for pipelines and offshore platforms, where resistance to chloride stress corrosion is crucial. Additionally, they find applications in marine environments, desalination plants, and power generation, where their durability and toughness are vital for long-term performance.