Duplex Steel 31803 Coils
What are Duplex Steel 31803 Coils?
Duplex Steel 31803 Coils are a specialized type of stainless steel renowned for their exceptional strength, corrosion resistance, and toughness. These coils are widely used in industries such as chemical processing, oil and gas, and marine environments due to their superior performance in demanding applications.
Key Features of Duplex Steel 31803 Coils
- Excellent Corrosion Resistance: Duplex Steel 31803 Coils are highly resistant to pitting, crevice corrosion, and stress corrosion cracking, making them ideal for applications in harsh environments.
- Superior Strength: These coils offer a higher yield strength and tensile strength compared to traditional austenitic stainless steel, ensuring durability and reliability in demanding conditions.
- Good Weldability: Duplex Steel 31803 Coils are known for their excellent weldability, simplifying fabrication processes and reducing costs.
- High Toughness and Ductility: These coils exhibit good toughness and ductility, making them suitable for applications requiring impact resistance and formability.
| 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 |
Other Types Of Duplex Steel 31803 Coils
| DSS S31803 Coils | Duplex Steel S31803 Cold Rolled Coil |
| 2D Finish Duplex Steel S31803 Coil | Duplex Steel S31803 BA Finish Coils |
| Duplex Stainless S31803 Foils | S31803 Duplex Steel Plain Coil |
| S31803 Duplex Steel Shim Coils | Duplex Steel F51 Strip |
| F51 Duplex Stainless Steel Coils | Duplex Steel S31803 2D Finish Coils |
| DSS S31803 Coils | Duplex Stainless S31803 2B Finish Coils |
| ASME SA240 Duplex Steel S31803 Cold Rolled Coils | ASTM A240 Duplex Steel S31803 Coil |
| S31803 Duplex Matt PVC Coils | Duplex Stainless Steel S31803 Slit Coils |
| F51 Slit Coils | Duplex Steel S31803 HR Coils |
| Cut To Size Duplex Steel S31803 Coils | Duplex Steel S31803 Industrial Coils |
31803 Coils Equivalent Grade
| Grades | EN | UNS | ISO |
| S31803 | 1.4462 | S31803 | 4462-318-03-I |
Duplex Steel 31803 Coils Chemical Composition
| UNS Designation | Type | Composition, % B | |||||||||
| C | Mn | P | S | Si | Cr | Ni | N | Mo | Other Elements C | ||
| S31803 | . . . | 0.030 | 2.00 | 0.030 | 0.020 | 1.00 | 21.0-23.0 | 4.5-6.5 | 0.08-0.20 | 2.5-3.5 | . . . |
Duplex Steel 31803 Coils Mechanical Properties
| UNS Designation | Type | Condition | Tensile Strength, min, ksi [MPa] | Yield Strength,A min, ksi [MPa] | Elongation in 2 in. [50 mm] or 4D, min, % | Reduction of Area, min, %B,C | Brinell Hardness, max |
| S31803 | . . . | annealed | 90 [620] | 65 [450] | 25 | . . . | 290 |
APPLICATION
Duplex Steel and Engineering Company is a leading supplier of high-quality Duplex Steel 31803 Coils. We offer a wide range of sizes and specifications to meet your specific project requirements. Our commitment to quality and customer satisfaction ensures that you receive products that exceed your expectations.
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