Duplex Steel 31803 Buttweld Fittings
What are Duplex Steel 31803 Buttweld Fittings?
Duplex Steel 31803 Buttweld Fittings are high-performance components crafted from a specialized type of stainless steel renowned for its exceptional strength, corrosion resistance, and toughness. These fittings 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 Buttweld Fittings
- Excellent Corrosion Resistance: Duplex Steel 31803 Buttweld Fittings exhibit exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, making them ideal for applications in harsh environments.
- Superior Strength: These fittings offer a higher yield strength and tensile strength compared to traditional austenitic stainless steel flanges, ensuring durability and reliability in demanding conditions.
- Excellent Weldability: Duplex Steel 31803 Buttweld Fittings are known for their excellent weldability, simplifying fabrication processes and reducing costs.
- High Toughness: These fittings exhibit high toughness and ductility, making them suitable for applications requiring impact resistance.
| Specifications | ASTM A815 / ASME SA815, ASTM A182 & ASME SA182 |
|---|---|
| Forged Fittings Standards | ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
| Buttweld Fittings Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Buttweld Fittings Size | 1/2” NB to 24″NB in. (Seamless & 100% X-Ray Welded, Fabricated) |
| Forged Fittings Size | 1/8” NB to 4” NB (Socketweld & Screwed-Threaded) |
| Buttweld Fittings Type | Seamless / Welded / Fabricated |
| Forged Fittings Type | Socketweld Fittings, Screwed-Threaded Fittings |
| Forged Fittings Class | 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS |
| Buttweld Fittings Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Buttweld Fittings Thickness | Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS |
Other Types Of Duplex Steel 31803 Buttweld Fittings
| DSS Buttweld Elbow | Duplex Steel Stub End |
| Duplex Steel Fittings | Duplex Steel Socket weld Fittings |
| Duplex Steel Pipe Fittings | Duplex Steel Industrial Fittings |
| Duplex Steel Forged Fittings | Duplex Steel Threaded Fittings |
| Duplex Stainless Steel 90 Degree Elbow | Buttweld Pipe Fittings |
| Duplex Stainless Steel Seamless Fittings | Duplex Stainless Steel Welded Fittings |
| Duplex Half Couplings | Duplex Concentric Reducer |
| ASME SA182 Duplex Steel Forged Fittings | ASTM A815 Duplex Steel Butt weld Fittings |
| Duplex Stainless Steel Pipe Bend | Duplex Steel Bushing |
| Duplex Steel High Pressure Forged Fittings | Duplex Steel Threaded Plugs |
| ANSI B16.11 Duplex Steel Forged Fittings | ANSI B16.9 Duplex Steel Pipe Fittings |
31803 Buttweld Fittings Equivalent Grade
| Grades | EN | UNS | ISO |
| S31803 | 1.4462 | S31803 | 4462-318-03-I |
Duplex Steel 31803 Buttweld Fittings 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 Buttweld Fittings 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
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Desalination Plants
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Oil and Gas Industry
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Pulp and Paper Industry
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Chemical Processing
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Water Treatment
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Marine Applications
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Construction
Duplex Steel and Engineering Company is a leading supplier of high-quality Duplex Steel 31803 Buttweld Fittings. 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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