Home > Super Duplex Steel > Super Duplex Steel Pipes S32750
Marsh Nickel Alloys, located in Canberra, Australia, stands out as a top manufacturer and supplier of Super Duplex Steel Pipes S32750. These pipes are celebrated for their remarkable corrosion resistance and outstanding strength. Serving industries that require high-performance materials, Marsh Nickel Alloys is dedicated to precise engineering and rigorous quality control in every product they offer. Their Super Duplex Steel Pipes S32750 are specifically crafted to endure harsh environments, making them perfect for critical applications where durability, reliability, and long-term performance are a must. With a strong focus on innovation and customer satisfaction, Marsh Nickel Alloys consistently delivers premium-grade solutions to meet a wide range of industrial needs, both in Australia and around the world.
Super Duplex Steel Pipes S32750 are primarily made of iron, featuring 24–26% chromium, 6–8% nickel, 3–5% molybdenum, along with trace amounts of nitrogen and manganese. This unique composition provides excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, even in aggressive chloride environments. On the mechanical side, these pipes boast a high tensile strength of about 830–1000 MPa and a yield strength of 620–800 MPa, along with a good elongation of 25–30%. The balanced duplex microstructure, which contains roughly equal parts of austenite and ferrite, enhances toughness, weldability, and fatigue resistance, making them ideal for demanding industrial applications.
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Standard |
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ASTM A790 / ASME SA 790 |
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Type |
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Seamless Pipes |
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Grade |
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UNS S32750, UNS 32760 & UNS S32950 |
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Size |
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1/2″NB TO 12 “NB IN |
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Thickness |
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0.5-45mm |
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Outer Diameter |
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6.0-630mm |
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Dimensions |
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OD(6.0-630)*WT(0.5-45)mm |
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Schedule |
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SCH20, SCH30, SCH40, STD, SCH80 |
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Length |
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Single Random, Double Random & Cut Length |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
S32750 | 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 |
| S32750 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
At Marsh Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Pipe S32750 in Canberra, Australia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Australia, 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.
Super Duplex Steel Pipes S32750 find extensive use in the oil and gas, chemical, and petrochemical industries for transporting corrosive fluids and gases. They are also utilized in seawater desalination plants, marine engineering, and pulp and paper processing due to their exceptional resistance to chloride-induced corrosion. These pipes are well-suited for high-pressure and high-temperature environments, including heat exchangers, pressure vessels, and subsea pipelines. Their blend of strength and corrosion resistance ensures a long service life, lowers maintenance costs, and guarantees safety in critical operations.