Super Duplex Steel Round Bars are supplied with superior performance in the most stringent operating environments. The design of these bars features a two-phase microstructure that provides a high level of strength and good resistance to corrosion, in particular to chlorides and from acidic conditions. Chung Metal ensures quality production with exact dimensions and excellent mechanical consistency. Super Duplex Round Bars have widespread applications in industries like oil and gas, marine, chemical processing, and power generation. Their toughness, high tensile strength, and resistance to wear give them appropriate applications where long-lasting and reliable material performance is required.
Super Duplex Steel Round Bars are a family of materials with high chromium, nickel, molybdenum, and nitrogen contents that provide exceptional resistance to corrosion under severe conditions of mechanical and chemical attack. Their tensile properties range from 800–1000 MPa with very good fatigue resistance and substantial toughness. The dual-phase structure guarantees increased resistance to pitting, crevice corrosion, and SCC. Mechanical stability both at elevated temperature and under pressure allows its application under extreme conditions and the guarantee of long-term reliability
Specifications : ASTM A276, ASME SA276
Standard : ASTM, ASME
Size : 6 mm to 120 mm.
Length : 1 to 6 Meters, Custom Cut Lengths
Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
| Material | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Super Duplex Steel | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| 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 % |
Yes, Super Duplex Steel Round Bars can withstand moderately high temperatures but are not ideal for prolonged use above 300°C, as this may reduce their corrosion resistance and mechanical properties.
Yes, Super Duplex Steel Round Bars are highly recyclable. Their materials, including chromium, nickel, and molybdenum, can be reused, promoting sustainability and reducing waste in industrial applications.
No, Super Duplex Steel Round Bars typically do not require additional corrosion protection coatings, as their high chromium, molybdenum, and nitrogen content provides excellent inherent corrosion resistance in harsh environments.
Super Duplex Steel Round Bars have widespread applications in offshore drilling equipment, heat exchangers, pump shafts, and valve parts because of their strength and resistance to corrosion. They are utilized for subsea systems, risers, and high-pressure tubing in the oil and gas industries. In chemical plants, they support reactors, storage tanks, and processing equipment subjected to aggressive chemicals. Marine uses include shipbuilding components and seawater-handling systems. Other uses include desalination plants, power generation systems, and heavy machinery that require high stress over a long time.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Da Nang, Vietnam
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