Home > Duplex Steel >Duplex Steel S31803 Coils
| Standard | ASTM A240 / ASME SA240 |
|---|---|
| Thickness | 0.2mm – 5.0mm |
| Width | 3.2mm – 1500mm |
| Length | AS PER CUSTOMER’S REQUIREMENT |
| Test Certificate | Yes |
| Coils Hardness | Half Hard, Quarter Hard, Soft, Hard, Spring Hard |
| Finish | Hot rolled Coils (HR), Cold rolled Coils (CR), NO.1, 2B, 2D, 2H, 2R, No.4, HAIRLINE, SCOTCH BRITE, SATIN FINISH, NO.8, BA. |
| Form | Coil / Strip |
| Make | Jindal, Bahru, Posco Korea, Posco Thainox, Columbus, Acerinox, Aperam, Tisco, Nisshin, Nippon And Many More Mills. |
| rades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
| 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 |
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We offer These Duplex Steel S31803 Coils as per DIN, ISO, JIS or ANSI Standard.
Corrosion resistance: Duplex steel S31803 has excellent corrosion resistance, especially in harsh environments such as those with chlorides, acids, and alkalis, making it suitable for use in the chemical, marine, and oil and gas industries.
High Strength: These fibers exhibit high mechanical strength, allowing them to withstand heavy loads and stresses. This makes them suitable for architectural use in industries such as construction and transportation.
Excellent weldability: Unlike some stainless steels, duplex steel S31803 can be easily welded without risk of intergranular corrosion. This increases its versatility and facilitates the construction of structures with different shapes.
Excellent formability: Dual-steel S31803 coils can be easily formed in a variety of sizes, allowing for a variety of complex components and configurations
Cost: Despite its superior quality, duplex steel S31803 tends to be more economical compared to other corrosion-resistant materials, such as austenitic stainless steel, especially in areas of high strength. Its corrosion resistance can lead to reduced maintenance and longer service life
Duplex Steel S31803 Coils applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Oil and Gas Industry: Duplex steel coils are widely used in the oil and gas industry for equipment such as pipelines, offshore platforms and subsea components. Their corrosion resistance and high strength make them environmentally friendly and help them overcome the complexities of oil and gas exploration and production.
Chemical: Duplex steel coils are used in chemical plants for equipment such as reactors, heat exchangers and storage tanks. Water resistance to acids, chlorides and other chemicals is essential to ensure the longevity and reliability of these products.
Desalination Mechanisms: The increasing demand for freshwater has necessitated desalination mechanical devices in many coastal areas. Duplex steel coils are used in desalination plants due to their excellent corrosion resistance in ambient seawater.
Power Generation: Power generation uses double metal pipes for components such as heat exchangers, boilers, and turbine systems. Their high strength, corrosion resistance and ability to withstand high temperatures suit such demanding applications.
Food Processing: In the food processing industry, duplex steel coils find applications in equipment such as storage tanks, conveyors, and processing machinery. Their resistance to corrosion and ability to maintain hygiene standards make them suitable for handling food products.
Understanding Duplex Steel S31803: Familiarize yourself with the characteristics of Duplex Steel S31803. This stainless steel is known for its excellent corrosion resistance, high strength, and weldability.
Application Requirements: Specify your application’s specific requirements. Consider operating temperature, pressure, atmospheric corrosion, and mechanical stress.
Grade selection: Duplex steel S31803 is a popular grade, but in this grade, there can be variations in composition and quality. Make sure the coils you choose also meet the required standard specifications.
Size and thickness: Consider the size and thickness of the coils you need for your application, including size, width, and length. Make sure the earrings have the required sizes or can be customized to your needs.
Floor finishes: Based on aesthetic and functional requirements, decide on the surface finish required. Dual steel coils are available in various finishes, including hot-rolled, cold-rolled and polished.
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