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Boikanyo Metals is a reputable manufacturer and supplier of Invar Bars located in Cape Town, South Africa. They provide top-notch materials specifically designed for precision engineering and various industrial applications. Invar, a nickel-iron alloy, is famous for its incredibly low coefficient of thermal expansion, making it perfect for components that need to maintain their dimensions despite temperature changes. Boikanyo’s Invar Bars are meticulously engineered to comply with international standards, guaranteeing consistent performance, reliability, and long-lasting stability even in the most demanding situations.
These Invar Bars consist of about 36% nickel and 64% iron, which gives them outstanding thermal stability, solid mechanical strength, and resistance to corrosion. The material is easy to machine, fabricate, and shape, making it an excellent choice for precision components and assemblies where minimal thermal expansion is crucial.
| Standards : | ASTM F1684, ASME SF1684 |
| Dimensions : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Wire : | Thickness starting from 0.05mm |
| Round bar size : | Diameter: 3-~800mm |
| Hex Bar size : | 2-100mm A/F |
| Flat bar size : | Thickness: 2 -100mm / Width: 10 to 500mm |
| Square bar size : | 4 to 100mm |
| Rectangular Bars Size : | 33 x 30mm to 295 x 1066mm |
| Hollow Bar : | 32mm OD x 16mm ID to 250mm OD x 200mm ID |
| Tolerance : | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Finish : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Grade | C | Mn | Si | S | Fe | Ni | Cr | P | Mo | Co |
| Invar 36 | 0.10 max | 0.06 max | 0.35 max | 0.025 max | Rem | 35-38 | 0.50 max | 0.025 max | 0.50 max | 1.0 max |
| Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Psi – 71,000 , MPa – 490 | Psi – 35,000 , MPa – 240 | 42 % |
At Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Invar Bar 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.
Invar Bars find their place in a variety of applications, including aerospace structural components, precision instruments, scientific equipment, optical devices, and other areas where minimal thermal deformation is essential. Their unique blend of low thermal expansion, mechanical stability, and durability ensures they deliver accurate performance, a long service life, and reliability in critical industrial and technological settings.
