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Al Shakru Sheets and Plates distinguishes itself as a premier manufacturer and supplier of Duplex Steel S31803 Coils and Slitting Coils directly from Dubai, UAE . We take pride in delivering high-quality duplex stainless steel products renowned for their exceptional corrosion resistance, strength, and durability. Our Duplex Steel S31803 Coils and Slitting Coils are precision-engineered using advanced manufacturing methods and stringent quality checks to ensure uniform thickness, a smooth surface finish, and reliable performance. These coils are ideal for numerous applications across the chemical, marine, and industrial sectors, offering excellent resistance to stress corrosion cracking and pitting. Al Shakru Sheets and Plates serves industries including oil and gas, chemical processing, marine engineering, and industrial manufacturing, supplying premium duplex steel solutions.
The Duplex Steel S31803 Coils and Slitting Coils feature a well-proportioned austenitic (≈50%) and ferritic (≈50%) stainless steel microstructure , enhanced with chromium (≈22%), nickel (≈5–6%), molybdenum (≈3%), nitrogen, and trace elements . They deliver remarkable tensile strength (≈650–800 MPa) , yield strength (≈450–550 MPa) , superb ductility , and outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking , which makes them well-suited for demanding industrial and marine environments.
| 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, hairline, sand blast, Brush, etching, Hot rolled coil (HR), Cold rolled coil (CR), SATIN (Met with Plastic Coated) etc |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Form | Coils, Foils, Rolls, Plain Coil, Shim Coil, Strip |
| 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 |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| S31803 | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
| Grades | EN | UNS | ISO |
| S31803 | 1.4462 | S31803 | 4462-318-03-I |
We offer products supplied with both mill test certificates and third-party test certificates, guaranteeing the highest standards of quality and compliance.
Al Shakru Sheets and Plates, headquartered in Dubai, UAE, is a top supplier and stockist of premium metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all provided with outstanding service and customized to fulfill our customers specific requirements. Focused on supplying superior products, we serve a broad range of industries, offering dependable solutions for varied applications. Our large inventory features Recognized for our distinctive finishing methods and dedication to quality. We are committed to guaranteeing customer satisfaction through reliable service and first-rate products.
Stocked Sizes | |
|---|---|
Size (in inches) | Size (in mm) |
.125″ | 3.18mm |
.134″ | 3.40mm |
.156″ | 3.96mm |
.187″ | 4.75mm |
.250″ | 6.35mm |
.312″ | 7.92mm |
.375″ | 9.53mm |
.500″ | 12.7mm |
.625″ | 15.9mm |
.750″ | 19.1mm |
.875″ | 22.2mm |
1″ | 25.4mm |
1.125″ | 28.6mm |
1.250″ | 31.8mm |
1.500″ | 38.1mm |
1.750″ | 44.5mm |
2″ | 50.8mm |
2.500″ | 63.5mm |
3″ | 76.2mm |
Duplex steel S31803 coil/slitting coilsoffer a distinctive mix of benefits, including high strength and strong corrosion resistance, particularly against pitting, crack corrosion and stress corrosion cracking Their dual phase structure delivers solid mechanical properties, e.g higher tensile and yield strengths than austenitic steels reduce them in good weldability and formability, and provide they are suited for complex applications. Moreover, their high fatigue and corrosion resistance keeps them durable in tough environments, such as chemical manufacturing, marine, and oil and gas industries, and enables them to serve long and reliably.
Yes,we provide custom sizes for Duplex Steel S31803 Coil/Slitting Coil to suit particular project requirements. The team at Al Shakru Sheets and Plates is committed to delivering solutions tailored to all your needs. For further information, reach out to us at sales@alshakruplates.ae.
These Duplex Steel S31803 Coils and Slitting Coils are widely applied in heat exchangers, chemical processing equipment, desalination plants, and offshore structures owing to their excellent corrosion resistance and favorable strength-to-weight ratio. Within industrial and fabrication applications , they serve in precision-engineered components, gaskets, protective layers, and cladding , where toughness, dependability, and enduring performance are critical. In addition, these coils play a key role in oil and gas, marine, and renewable energy projects , delivering operational efficiency, reduced maintenance, and an extended service life. Their distinctive combination of mechanical strength, corrosion resistance, and durability establishes them as a preferred option for demanding applications.
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