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Based in Cape Town, Cape Town, Themba Nickel Alloys has earned a solid reputation as a reliable manufacturer and supplier of top-notch alloy components, including their corrosion-resistant Duplex Tube Fittings. They’re well-known for providing high-strength, precision-engineered fittings that cater to a variety of industries operating in tough and corrosive conditions. The Duplex Tube Fittings from Themba Nickel Alloys are built to meet international quality and performance standards, ensuring secure, leak-free connections in demanding fluid and gas systems. With a strong technical background and a dedication to customer satisfaction, Themba Nickel Alloys stands out as a trustworthy partner for industrial piping and tubing solutions throughout South Africa and beyond.
These Duplex Tube Fittings are crafted from stainless steel alloys featuring a dual-phase microstructure that balances austenite and ferrite, giving them a remarkable mix of strength and corrosion resistance. The commonly used grades, like Duplex 2205 and Super Duplex 2507, are particularly effective against stress corrosion cracking, pitting, and crevice corrosion, especially in environments rich in chlorides. These fittings typically boast tensile strengths between 620 and 900 MPa, performing reliably even under high-pressure and high-temperature conditions. Plus, Duplex Tube Fittings show excellent fatigue strength and weldability, making them perfect for long-term use in critical systems.
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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 Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Tube Fittings in Cape Town , South Africa, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Cape Town, 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.
You’ll find Duplex Tube Fittings in a variety of sectors, including oil and gas, petrochemical, marine, chemical processing, desalination, and power generation. They’re perfect for connecting instrumentation tubing, hydraulic lines, and process piping in settings where corrosion resistance and pressure integrity are crucial. Common applications include offshore platforms, subsea systems, chemical reactors, and high-salinity water treatment plants. These fittings guarantee safe and durable connections, ensuring everything runs smoothly.