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Our company offers a wide range of duplex steel bars from top manufacturers known for their quality. These bars are essential in many applications, offering versatility in size and grades to meet diverse needs. Widely used in construction and engineering, our Duplex Steel Bars are prized for their excellent resistance to corrosion and abrasion, ensuring long-term durability in tough conditions. Using duplex alloys, these bars improve hardness during heat treatment, uniformly enhancing their mechanical properties.
| Duplex Steel Bar Standard | ASTM A276, AMS 5513, AMS 5511, AMS 5647 |
|---|---|
| Duplex Steel Bar Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Duplex Steel Round bar size | Diameter: 3-~800mm |
| Duplex Steel Hex Bar size | 2-100mm A/F |
| Duplex Stainless Steel Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Duplex Steel Square bar size | 4 to 100mm |
| Duplex Steel Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Duplex Rectangular Bars Section | 3.0 to 12.0mm thickness |
| Duplex Steel Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| ASTM A276 Type Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Duplex Stainless Steel Threaded Bar Billet Size | 1/2 to 495mm Diameter |
| Duplex Steel Rectangular Size | 33 x 30mm to 295 x 1066mm |
| Duplex Hex Bars Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| ASTM A276 Type Hollow Bar Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| SAF 2507 T-Bar Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Rolled Duplex Steel Flat Bars Condition | Hardened & tempered, annealed |
| ASTM A276 Type Cold Rolled Bar Technique | Duplex Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Duplex Rod Processing | Bar cutting to 650mm |
| Duplex Rounds Bar Form | Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc. |
| Grade | YS (MPa) | UTS (MPa) | % Elongation | Hardness(BHN) |
| 31803 | 450 min. | 620 min. | 25 min. | 293 max. |
| 2205 | 450 min. | 655 min. | 25 min. | 293 max. |
| Grade | UNS No | C % | Cr % | Ni % | P % | Si % | S % | Mo % | N % | Mn % |
| 31803 | S31803 | < 0.03 | 21.0-23.0 | 4.5-6.5 | 1.03 max | 1 max | 0.02 max | 2.5-3.5 | 0.08-0.2 | < 2.0 |
| 2205 | S32205 | < 0.03 | 22.0-23.0 | 4.5-6.5 | 0.03 max | 1 max | 0.02 max | 3.0-3.5 | 0.14-0.20 | < 2.0 |
At PipingMart, we take pride in being the largest supplier and manufacturer in the UK, offering cutting-edge solutions for all your piping needs. With state-of-the-art production plants strategically located in the UK, we boast a vast inventory of over 25,000 tons of premium-quality materials readily available in stock.
Contact us to get a quick quote for your requirement.
We offer These Duplex Steel Bars as per DIN, ISO, JIS or ANSI Standard.
Duplex Steel Bars 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.
Yes, Duplex Steel Bars can be recycled after use. Recycling duplex steel involves melting the steel and reusing it to create new products, which helps conserve resources and reduce environmental impact. This process retains the material’s inherent properties, such as corrosion resistance, high strength, and durability, making it a sustainable choice for various applications.
Yes, Duplex Steel Bars can be welded using conventional welding methods such as TIG (Tungsten Inert Gas) or MIG (Metal Inert Gas). However, special attention is required to maintain the balance of austenite and ferrite phases during welding to ensure optimal corrosion resistance and mechanical properties. Post-weld heat treatment may sometimes be necessary to achieve the desired microstructure and properties in the welded joint.
Duplex Steel Bars are generally not recommended for cryogenic applications due to their reduced toughness and potential for embrittlement at very low temperatures. Materials like austenitic stainless steels or nickel alloys are typically preferred for cryogenic environments as they offer better resistance to brittleness and maintain their mechanical properties at extremely cold temperatures.
When machining Duplex Steel Bars, using sharp tools with a positive rake angle is crucial to minimize work hardening. Employing adequate cutting fluids helps to dissipate heat and improve tool life. Maintain stable machining conditions to prevent vibration, which can lead to tool wear and surface roughness. Proper post-machining cleaning to remove contaminants is also essential to maintain the material’s corrosion resistance properties.
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