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Wiraphan Sheets and Plates, a well-respected manufacturer and supplier based in Bangkok, Thailand, is known for its top-notch Alloy 20 Slitting Coils. The company focuses on providing high-performance nickel-iron-chromium alloy products that adhere to international standards for corrosion resistance, strength, and durability. Alloy 20 is particularly prized in industries that deal with corrosive environments, especially in chemical processing, where resistance to sulfuric acid and other harsh chemicals is essential. Wiraphan offers these slitting coils in a variety of widths and thicknesses, delivering precision-cut, ready-to-use materials for fabrication and industrial applications.
Alloy 20 Slitting Coils mainly consist of nickel (32–38%), iron (30–35%), chromium (19–21%), and copper (2–3%), along with trace amounts of molybdenum. This thoughtfully designed composition ensures excellent resistance to both oxidizing and reducing acids, as well as pitting and stress corrosion cracking. In terms of mechanical properties, these coils boast a tensile strength of 485–690 MPa, a yield strength of around 240–310 MPa, and good elongation, which guarantees toughness and reliability during forming, bending, and welding processes. Their unique blend of corrosion resistance and mechanical strength makes them ideal for demanding industrial applications.
ASTM B463, ASME SB463
0.02mm – 5.0mm
3.2mm – 1500mm
NO.1, 2B, 2D, 2H, 2R, No.4, HAIRLINE, SCOTCH BRITE, SATIN FINISH, NO.8, BA.
| STANDARD | WERKSTOFF NR. | UNS | AFNOR | EN |
| Alloy 20 | 2.4660 | N08020 | Z2NCUD31-20AZ | NiCr20CuMo |
| Grade | C | Mn | Si | S | Cu | Ni | Cr | Fe | Mo | P |
| Alloy 20 | 0.07 max | 2.00 max | 1.00 max | 0.035 max | 3.0-4.0 | 32.0-38.0 | 19.0-21.0 | 29.85 min* | 2.0-3.0 | 0.045 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi – 35,000, MPa – 241 | 30% |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Wiraphan Sheets and Plates based in Bangkok, Thailand, 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.
Alloy 20 Slitting Coils find extensive use in chemical processing equipment, including tanks, valves, heat exchangers, and piping systems that manage sulfuric acid and other aggressive chemicals. They are also utilized in the pharmaceutical, power generation, and petrochemical sectors, where corrosion resistance is crucial. With their outstanding formability, weldability, and durability, these coils are perfect for precise fabrication and assembly. Alloy 20 Slitting Coils offer dependable, long-lasting solutions for industrial applications that require high corrosion resistance and structural integrity.
Yes, we offer custom sizes for Alloy 20 Slitting coils 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.
Alloy 20 slitting coils are widely used in industries requiring superior corrosion resistance, especially in acidic environments. Common applications include chemical processing, where they are used in reactors, heat exchangers, and tanks. They are also used in the pharmaceutical and food industries for equipment exposed to harsh chemicals. Other applications include pulp and paper mills, pollution control systems, and valves and pumps in corrosive settings. Alloy 20’s strength, weldability, and resistance to sulfuric acid make it an ideal choice for demanding and corrosive environments.
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Bangkok, Thailand
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