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Wiraphan Sheets and Plates, a reputable manufacturer and supplier based in Bangkok, Thailand, is well-known for its top-notch Duplex Steel Coils and Slitting Coils. The company focuses on providing cutting-edge duplex stainless steel products that adhere to international standards for corrosion resistance, mechanical strength, and durability. Duplex steels blend the characteristics of austenitic and ferritic stainless steels, resulting in outstanding toughness and resistance to stress corrosion cracking. Wiraphan offers these coils in a variety of widths and thicknesses, delivering precision-cut, ready-to-use materials for industries like chemical processing, petrochemical, marine, and oil and gas.
Duplex steel coils and slitting coils are made from a balanced mixture of austenitic and ferritic stainless steel, which generally contains about 22-25% chromium, 4-6% nickel and 2-3% molybdenum, with trace amounts of nitrogen, manganese and silicon includes This system offers excellent corrosion resistance, especially pitting, Cravis and what it resists corrosion. Mechanical properties of duplex steel include 620-880 MPa tensile strength, 450-650 MPa yield strength and 25-30% elongation Known for high strength, resistance to stress corrosion cracking and excellent hardness, duplex steel is ideal for materials a harsh environmental and high pressure applications
| 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 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Duplex Steel Coils/Slitting Coils are made up of iron, chromium (18–28%), nickel (4–8%), molybdenum (2–5%), along with trace amounts of nitrogen, manganese, and silicon. This unique alloy composition grants remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, all while maintaining high tensile strength and toughness. In terms of mechanical properties, these coils boast a tensile strength of 620–880 MPa, yield strength around 450–650 MPa, and good elongation, ensuring dependable performance during forming, rolling, and fabrication processes. Their blend of corrosion resistance, mechanical strength, and formability makes them perfect for critical industrial applications.
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 Coils/Slitting Coils find extensive use in chemical and petrochemical plants, offshore platforms, marine equipment, heat exchangers, pressure vessels, and piping systems that face harsh environments. Their superior corrosion resistance, strength, and flexibility make them ideal for precision fabrication, welded assemblies, and structural applications. Duplex Steel Coils/Slitting Coils offer a reliable, long-lasting solution for industries that demand high-performance, corrosion-resistant, and durable steel in coil form for a variety of engineering and fabrication projects.
Yes, we offer custom sizes for Duplex Steel Coil/Slitting Coil to meet specific project needs. Our team at Wiraphan Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@wiraphansheetsplates.com.
Duplex steel coils and slitting coil are widely used in industries requiring materials with high strength and excellent corrosion resistance. They are commonly employed in the oil and gas industry for offshore platforms, pipelines, and storage tanks, where resistance to seawater and corrosive environments is critical. Duplex steel is also used in the chemical processing industry for equipment like heat exchangers, reactors, and valves. Additionally, it is found in marine applications, desalination plants, and power generation facilities, offering durability in high-pressure, high-temperature environments and aggressive chemical settings.
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Bangkok, Thailand
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