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Based in Cape Town, Cape Town, Themba Nickel Alloys is a reliable manufacturer and supplier of high-performance specialty alloys, including robust and corrosion-resistant Duplex Steel Wire. Renowned for its consistent quality and precision engineering, Themba Nickel Alloys caters to a range of industries that demand strong, durable wire solutions for challenging applications. With a commitment to international standards, quick turnaround times, and excellent technical support, the company guarantees that its Duplex Steel Wire meets the stringent requirements of both local and global clients working in tough, high-stress environments.
Duplex Steel Wire is crafted from a unique family of stainless steels that feature a mixed microstructure of austenite and ferrite, typically in equal proportions. This distinctive structure provides the wire with remarkable mechanical strength—often twice that of standard austenitic stainless steels—and exceptional resistance to stress corrosion cracking, pitting, and crevice corrosion. The material boasts high tensile strength, usually ranging from 620 to 850 MPa, while also maintaining good weldability and formability. Duplex Steel Wire excels in chloride-rich environments and can handle fluctuating pressure and temperature conditions, making it a dependable choice for demanding engineering applications.
| Duplex Wire Standard | ASTM A276, A479 / ASME SA276, SA479 AMS 5514 |
|---|---|
| Duplex Steel / Wire Dimensions | ANSI/AWCI – 01 -1992 and ASTM E 2016-11 and RRW 360 |
| Duplex Wire Length | Cut Lengths: 0.125″ to 72″ No Limit on Spooled Lengths |
| Duplex Wire Diameter | 0.0004″ to 0.040″ 10 microns to 1.0 mm Other Sizes on Request |
| Wire Density | 8.89 g/cm3 |
|
580-750 |
|
as standard |
|
28-30 |
| Surface | Polished bright, Smooth, Bare, Enamel, PTFE, Ceramic, Plated |
| Tempers | Tempers range from dead soft annealed to ultra spring temper |
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo | N |
| S31803 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.010 max | 21.0 – 23.0 | 4.5- 6.5 | 2.5 – 3.5 | 0.08 – 0.20 |
| S32205 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.010 max | 22.0 – 23.0 | 4.5- 6.5 | 3.0 – 3.5 | 0.14 – 0.20 |
| Tensile Strength | 650 -850MPa |
| Elongation (Min) | 30 % |
At Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Wire 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 Steel Wire widely utilized across various industries, including marine, chemical processing, oil and gas, paper and pulp, and desalination. It’s commonly used in wire mesh, springs, fasteners, filtration systems, and cable armoring, particularly in scenarios where both high strength and corrosion resistance are essential. In offshore platforms and subsea equipment, Duplex Steel Wire stands up to saltwater corrosion and mechanical fatigue. It’s also employed in structural reinforcement, heat exchangers, and architectural elements. The blend of strength, corrosion resistance, and cost-effectiveness makes it a top choice for many engineering projects.
