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Aisha Nickel Alloys stands out as a top-notch manufacturer and supplier of Super Duplex Steel Bars, proudly based in Muscat, Oman. The company is all about crafting high-quality steel bars that can handle the toughest industrial conditions, whether it’s high pressure, corrosive environments, or extreme temperatures. Thanks to their state-of-the-art manufacturing facilities, rigorous quality control, and a team of skilled experts, Aisha Nickel Alloys guarantees precision, strength, and long-lasting reliability in every product they offer. Their Super Duplex Steel Bars are a perfect blend of outstanding mechanical performance and top-tier corrosion resistance. Catering to both regional and international markets, the company delivers durable, high-performance solutions for essential sectors like engineering, offshore, marine, petrochemical, and power generation.
Super Duplex Steel Bars feature a well-balanced austenitic-ferritic microstructure, packed with high levels of chromium, molybdenum, and nitrogen to provide remarkable corrosion resistance and mechanical strength. These bars are known for their impressive tensile and yield strength, excellent fatigue resistance, and solid toughness. They stand up to pitting, crevice corrosion, and stress-corrosion cracking, even in harsh chemical and chloride-rich environments. With their great dimensional stability and load-bearing capacity, Super Duplex Steel Bars ensure reliable performance, durability, and long-term safety in demanding industrial and offshore settings.
| Super Duplex Steel Bar Standard | ASTM A276, AMS 5513, AMS 5511, AMS 5647 |
|---|---|
| Super Duplex Steel Bar Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Super Duplex Steel Round bar size | Diameter: 3-~800mm |
| Super Duplex Steel Hex Bar size | 2-100mm A/F |
| Super Duplex Stainless Steel Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Super Duplex Steel Square bar size | 4 to 100mm |
| Super Duplex Steel Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Super Duplex Rectangular Bars Section | 3.0 to 12.0mm thickness |
| Super 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) |
| Super Duplex Stainless Steel Threaded Bar Billet Size | 1/2 to 495mm Diameter |
| Super Duplex Steel Rectangular Size | 33 x 30mm to 295 x 1066mm |
| Super 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 2205 T-Bar Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Rolled Super Duplex Steel Flat Bars Condition | Hardened & tempered, annealed |
| ASTM A276 Type Cold Rolled Bar Technique | Super Duplex Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Super Duplex Rod Processing | Bar cutting to 650mm |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
At Aisha Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Bars in Muscat, OMAN, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the OMAN, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
These bars are a go-to choice in industries that need strong, corrosion-resistant, and high-performance steel. You’ll find them in applications across oil and gas, petrochemical, chemical processing, power generation, marine, and offshore installations. They’re perfect for making shafts, structural components, fasteners, valves, and high-pressure equipment that must thrive in tough environmental conditions. Super Duplex Steel Bars promise a long service life, low maintenance, and consistent mechanical performance, making them vital for critical, safety-sensitive, and high-performance industrial applications.