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Ahmed Sheets and Plates is a reputable manufacturer and supplier of Duplex Steel S31803 Coil and Slitting Coil based in Safat, Kuwait. They’re well-known for providing high-performance materials that can handle the toughest industrial conditions. With a strong emphasis on quality, durability, and precision, their coils are designed to resist corrosion, pitting, and stress cracking exceptionally well. Thanks to their advanced production techniques and rigorous quality control, their products meet international standards. They cater to various industries, including oil and gas, marine, chemical, and construction, and are dedicated to delivering reliable, long-lasting solutions that fit their customers’ needs.
The Duplex Steel S31803 Coil/Slitting Coil is made up of about 22% chromium, 5–6% nickel, 3% molybdenum, and some added nitrogen, which boosts its corrosion resistance and mechanical strength. Its unique dual-phase structure, combining austenite and ferrite, gives it impressive tensile and yield strength along with excellent toughness. This grade is particularly resistant to pitting and stress corrosion cracking caused by chlorides, making it ideal for harsh environments. Plus, it’s easy to weld and form, ensuring that fabrication doesn’t compromise its structural integrity or performance.
| 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 provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Ahmed Sheets and Plates based in Safat, Kuwait, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch 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 coils offer a unique combination of advantages, including high strength and good corrosion resistance, especially against pitting, crack corrosion and stress corrosion cracking Their dual phase design ensures good mechanical properties, e.g higher tensile and yield strengths compared to austenitic steels reduce them in good weldability and formability, and provide they are suitable for complex applications. Furthermore, their high fatigue and corrosion resistance makes them durable in harsh environments, such as chemical manufacturing, marine, and oil and gas industries, and allows them to use time long and reliable.
Yes, we offer custom sizes for Duplex Steel S31803 Coil/Slitting Coil to meet specific project needs. Our team at Ahmed Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
You’ll find Duplex Steel S31803 Coil/Slitting Coil widely used in industries that need strong, corrosion-resistant materials that can endure extreme conditions. In the oil and gas sector, it’s utilized for pipelines, heat exchangers, and pressure vessels. Marine and offshore applications depend on it for seawater systems, desalination units, and structural components that face chlorides. Chemical processing plants rely on it for storage tanks, reactors, and piping systems that handle corrosive chemicals. Its strength and durability also make it a great choice for construction, architectural supports, and other heavy-duty industrial applications.
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