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Santner Nickel Alloys, located in Hamilton, New Zealand, stands out as a leading manufacturer and supplier of Duplex Tube Fittings, delivering top-notch solutions for industrial piping systems. These fittings are designed to offer high strength, remarkable corrosion resistance, and long-lasting durability, making them perfect for tough and demanding environments. Santner Nickel Alloys adheres to rigorous quality control measures and international standards to guarantee dependable performance. Duplex Tube Fittings find extensive use in the chemical processing, oil and gas, marine, and power generation sectors, providing secure, leak-proof connections in critical systems to ensure efficiency and safety even under high pressure, temperature, and corrosive conditions.
Duplex Tube Fittings are mainly made up of around 22% chromium, 5–6% nickel, and 3% molybdenum, with the remainder being iron and trace amounts of nitrogen. Their unique dual-phase ferritic-austenitic microstructure gives them excellent tensile strength, high yield strength, and superior toughness. These fittings are highly resistant to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich or aggressive environments. They also exhibit great fatigue resistance, ductility, and thermal stability, ensuring consistent mechanical performance. The blend of corrosion resistance and mechanical strength makes Duplex Tube Fittings perfect for critical piping applications in challenging industrial settings.
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| Test & Certification | ECE R110, EC-79, NACE MR0175/ISO 15156 and MR0103. | ||||
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| DENSITY | MELTING POINT | TENSILE STRESS | YIELD STRESS (0.2%OFFSET) | ELONGATION |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy Tube Fittings | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
At Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Tube Fittings in Hamilton, New Zealand, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the New Zealand, 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.
Duplex Tube Fittings are widely utilized in industries that demand corrosion-resistant, high-strength piping solutions. In the oil and gas sector, they are commonly found in offshore platforms, subsea pipelines, and refineries that face exposure to seawater and harsh chemicals. The chemical and petrochemical industries rely on these fittings for reactors, heat exchangers, and process piping systems that handle aggressive media. In marine applications, they are essential for desalination plants, ensuring reliable performance in demanding conditions.