Home > Copper Nickel > Copper Nickel 90/10 Pipes
Themban Nickel Alloys, a leading manufacturer and supplier based in Cape Town , Cape Town, specializes in providing high-quality Copper Nickel 90/10 pipes. These pipes, known for their exceptional corrosion resistance, especially in seawater environments, are composed of 90% copper and 10% nickel, making them ideal for marine applications, power generation, and desalination plants. Themban Nickel Alloys ensures that each pipe meets stringent industry standards, delivering reliable and durable solutions for demanding projects across the globe.
At Themba Nickel Alloys, we take pride in being a well-respected manufacturer and supplier based in Cape Town, South Africa. We’re excited to announce our position as a leading Duplex Steel Bolts Manufacturer in the South Africa. Our dedication to upholding international quality standards means that we provide high-performance fasteners designed to meet the tough demands of various industries throughout the South Africa. Our Duplex Steel Bolts are crafted for exceptional strength, corrosion resistance, and long-lasting durability, even in the harshest environments. We serve clients in Cape Town, Johannesburg, Durban, and beyond, ensuring timely delivery, competitive pricing, and personalized technical support for every project.
Specification: ASTM B466, B467, B111 / ASME SB466, SB467, SB111
Standard: ASTM, ASME and API
Size: 1/2″ TO 6′ IN OD & NB IN Various SWG & SCH
Outer Diameter: 4.00 to 22.00 mm
Wall Thickness: Between 0.15mm and 1.50 mm
Type: Seamless / ERW / Welded / Fabricated Pipes
Form: Round, Square, Rectangular, Oval, Hydraulic Etc
Length: Single Random, Double Random & Required Length
End: Plain End, Beveled End, Treaded
Schedule: SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Inspection, Test Reports: Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non-Destructive Test Reports
Packing: Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials: Sizes and Specifications other than above can be manufactured on request
| Cu | Fe | Pb | Mn | Ni | Zn | |
| Min/Max | Rem | 1.0 – 1.8 | 0.05 | 1 | 9.0 – 11.0 | 1 |
| Nominals | 88.6000 | 1.4000 | – | – | 10.0000 | – |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate | 303-414 MPa | 43900-60000 psi |
| Tensile strength, yield (depending on temper) | 110-393 MPa | 16000-57000 psi |
| Elongation at break (in 254 mm) | 42.00% | 42.00% |
| Machinability (UNS C36000 (free-cutting brass) = 100%) | 20% | 20% |
| Shear modulus | 52.0 GPa | 7540 ksi |
| Poisson’s ratio | 0.34 | 0.34 |
| Elastic modulus | 140 GPa | 20300 ksi |
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.94 g/cm3 | 0.323 lb/in3 |
As a premier Duplex Steel Bolts Manufacturer in the Cape Town, we create bolts with a carefully balanced chemical composition, typically featuring 22–23% Chromium, 4.5–6.5% Nickel, 3–3.5% Molybdenum, and low carbon content. These bolts boast impressive mechanical properties, including high tensile strength (620–880 MPa), yield strength (~450 MPa), and outstanding hardness and elongation. The unique microstructure of duplex stainless steel, which combines austenitic and ferritic phases, provides enhanced corrosion resistance, stress corrosion cracking resistance, and toughness, making them perfect for critical and high-pressure applications across various industrial sectors.
Contact us to get a quick quote for your requirement.
The Duplex Steel Bolts we manufacture at Themba Nickel Alloys are widely utilized in numerous industries throughout the Cape Town, such as oil and gas, marine, petrochemical, offshore drilling, and desalination plants. Their remarkable strength and resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking make them ideal for demanding environments. These bolts are commonly found in flanged joints, pressure vessels, structural assemblies, and subsea equipment, where safety and performance are paramount. In construction and infrastructure projects, they guarantee long-term durability in coastal or chemically aggressive settings, solidifying Themba Nickel Alloys as a trusted partner for high-performance fastening solutions.
