Duplex Steel 31803 Pipes/ Tubes
What are Duplex Steel 31803 Pipes/ Tubes?
Duplex Steel 31803 Pipes/ Tubes are a specialized type of stainless steel renowned for their exceptional strength, corrosion resistance, and toughness. These pipes 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 Pipes/ Tubes
- Excellent Corrosion Resistance: Duplex Steel 31803 Pipes/ Tubes exhibit exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, making them ideal for applications in harsh environments.
- Superior Strength: These pipes 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 Pipes/ Tubes are known for their excellent weldability, simplifying fabrication processes and reducing costs.
- High Toughness: These pipes exhibit good toughness and ductility, making them suitable for applications requiring impact resistance.
| Standard | ASTM A789, A790 |
| Outside Diameter | 6-203mm |
| Wall Thickness | 0.5-25mm |
| Length | Up to 25m |
| Schedule | SCH 5 to SCH XXS |
| Delivery Condition | Pickled, Polished, Bright Annealed |
| Technique | Seamless/Welded |
| Application | Heat Exchanger, Heater, Condenser, Machining, Bearing Machining, API Service… |
| Package | Woven bag, wooden case, or as per customer's requirement. |
| Quality Requirement | Mill Test Certificate (EN 10204/3.1); Third Part Inspection is acceptable. |
Other Types Of Duplex Steel 31803 Pipes/ Tubes
| DSS S31803 Pipes | Duplex Steel S31803 Welded Pipe |
| Duplex Steel S31803 Thick Wall Pipe | Duplex Steel S31803 Industrial Pipes |
| UNS S31803 Seamless Pipe | UNS S31803 Duplex Steel Seamless Pipes |
| S31803 Duplex Stainless Steel Pipes | UNS S31803 Pipe |
| S31803 Duplex Stainless Steel EFW Pipe | Duplex Stainless Steel S31803 ERW Pipe |
| DSS S31803 Square Pipe | Duplex Steel S31803 Rectangular Pipes |
| ASME SA790 Duplex Steel S31803 Pipe | ASTM A790 Duplex Steel S31803 Pipes |
| Duplex Steel S31803 Polished Pipes | Duplex Steel S31803 Cold Drawn Pipe |
| Duplex Steel S31803 Schedule 40 Pipe | S31803 Duplex Stainless Steel Pipe |
31803 Pipes/ Tubes Equivalent Grade
| Grades | EN | UNS | ISO |
| S31803 | 1.4462 | S31803 | 4462-318-03-I |
Duplex Steel 31803 Pipes/ Tubes 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 Pipes/ Tubes 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 Pipes/ Tubes. 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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