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Paul Tube Fittings stands out as a top-notch manufacturer and supplier of high-quality Super Duplex Steel S32750 Tube Fittings right here in Houston, USA. We take pride in our dedication to excellence, providing corrosion-resistant fittings that not only meet global standards but also tackle the toughest industrial challenges. With a solid inventory and expertly crafted solutions, we cater to a variety of sectors, including petrochemical, marine, and power generation. Our S32750 Tube Fittings are designed to perform exceptionally well in extreme conditions, ensuring reliable strength and impressive durability. Supported by our technical know-how, quality assurance, and timely delivery, Paul Tube Fittings is your go-to partner for advanced and efficient tube connection solutions.
Super Duplex Steel S32750 Tube Fittings are made up of about 25% chromium, 7% nickel, and 4% molybdenum, along with added nitrogen and manganese, which gives them remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, they boast a high tensile strength of around 795 MPa and a yield strength of at least 550 MPa, along with excellent ductility (with an elongation of about 25%) and hardness reaching up to 32 HRC. Their well-balanced austenitic-ferritic microstructure ensures outstanding toughness, weldability, and durability, even in highly corrosive and high-pressure settings.
ASTM SPECIFICATION | ASME SA182/182M F53, ASTM A182/182M F53 |
|---|---|
TUBE SIZE | 1/8’’ to 2’’ and 3mm to 50mm |
MATERIAL GRADES | Super Duplex S32750 |
THREAD | UNF, BSPT, NPT, BSP, SAE, ISO etc. |
PRESSURE RATING | 300/1000/3000/6000/10000PSI for Duplex Steel |
ASTM STANDARDS | ASTM D3294 and D1710 |
APPLICABLE TEMPERATURE | 150-400°C |
PACKING DETAILS |
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At Paul Tube Fittings, we are the largest supplier, manufacturer, and exporter of Super Duplex Steel S32750 Tube Fittings in Houston, USA. Our advanced manufacturing facilities, strategically positioned in the USA, enable us to deliver high-quality solutions to meet your specific requirements. With a robust inventory of over 16,000 tons of top-grade materials, we are well-equipped to fulfil your needs promptly. Our commitment to excellence and efficiency ensures we always have the available stock to support your demands.
| Grade | S32750 | S32760 |
| C | 0.030 max | 0.05 max |
| Mn | 1.20 max | 1.00 max |
| Si | 0.80 max | 1.00 max |
| P | 0.035 max | 0.030 max |
| S | 0.020 max | 0.010 max |
| Cr | 24.00 – 26.00 | 24.00 – 26.00 |
| Mo | 3.00 – 5.00 | 3.00 – 4.00 |
| Ni | 6.00 – 8.00 | 6.00 – 8.00 |
| N | 0.24 – 0.32 | 0.20 – 0.30 |
| Fe | 58.095 min | 57.61 min |
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These Super Duplex Steel S32750 Tube Fittings are widely utilized in industries that require top-tier strength and corrosion resistance. You’ll find them in offshore oil and gas platforms, subsea pipelines, marine structures, and chemical processing systems that face aggressive fluids and environments. Their exceptional performance under high pressure and in chloride-rich conditions makes them perfect for desalination plants, heat exchangers, pressure vessels, and fire-fighting systems. Plus, their versatility in both high-temperature and cryogenic applications makes them a dependable choice for power generation facilities and environmental engineering projects.
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