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Xuan Nickel Alloys is the leading manufacturer and supplier of super-duplex steel in Da Nang, Vietnam. Our Super Duplex steel frames are engineered to provide exceptional strength and outstanding corrosion resistance, making them ideal for demanding industrial applications. High in chromium and molybdenum, these pads provide excellent resistance to compression, corrosion cracking, potholes and erosion. They are perfect for use in offshore oil and gas platforms, medical and marine environments, ensuring reliability and durability under harsh conditions At Xuan Nickel Alloys we are committed to Super Duplex Steel High quality bars that meet the highest industry standards will be provided, They will also be offering durable and efficient solutions tailored to your specific needs.
Xuan Nickel Alloys stands out as a top manufacturer and supplier based in Da Nang, Vietnam, specializing in high-quality Super Duplex Steel Bars designed for critical industrial applications. These bars are celebrated for their remarkable strength, toughness, and resistance to corrosion, making them reliable performers in harsh, chloride-rich environments. With a unique dual-phase microstructure that combines austenite and ferrite, Super Duplex Steel Bars excel at resisting pitting, crevice corrosion, and stress corrosion cracking. At Xuan Nickel Alloys, we pride ourselves on delivering precision-engineered bars that adhere to international standards, catering to industries such as oil and gas, chemicals, petrochemicals, marine, desalination, and power generation.
| 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 % |
The composition of Super Duplex Steel Bars includes high levels of chromium (around 25%), along with nickel, molybdenum, and nitrogen, all of which boost their mechanical strength and corrosion resistance. They boast impressive tensile strength ranging from 800 to 1000 MPa, with yield strength nearly twice that of standard austenitic stainless steels. Even in sub-zero temperatures, these bars maintain excellent toughness and ductility. Their well-balanced chemical makeup ensures strong resistance to stress corrosion cracking caused by chlorides, localized corrosion, and erosion, making them ideal for high-pressure and aggressive industrial settings.
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Super Duplex Steel Bars find extensive use in various industries that demand both mechanical strength and corrosion resistance. They’re commonly found in offshore platforms, subsea pipelines, and marine structures where saline exposure is a given. In the oil and gas industry, they’re utilized for shafts, fasteners, and structural components. Chemical and petrochemical facilities depend on them for high-strength equipment parts, while desalination plants, pulp and paper mills, and power generation facilities enjoy their long service life. Additionally, these bars are essential in heavy-duty engineering and construction projects that require reliability and safety in extreme conditions.
