Phehlukwayo Metal stands out as a top-notch manufacturer and supplier located in Cape Town, South Africa, with a focus on high-quality Invar 36 Bars and Rods. The company has built a solid reputation for its precision manufacturing, strict adherence to international quality standards, and a strong commitment to providing materials that boast exceptional performance characteristics. Invar 36 Bars and Rods from Phehlukwayo Metal are highly sought after for their remarkably low coefficient of thermal expansion, outstanding dimensional stability, and dependable mechanical properties, making them perfect for precision engineering, aerospace, and scientific applications. The company guarantees consistent quality and performance for clients both locally and internationally.
Invar 36 Bars and Rods are made from an iron-nickel alloy that consists of about 64% iron and 36% nickel. This unique blend gives the alloy a very low coefficient of thermal expansion (around 1.2 × 10⁻⁶ /°C), allowing it to maintain its shape even when temperatures fluctuate. Typically, the alloy shows a tensile strength ranging from 480 to 690 MPa and a yield strength between 240 and 380 MPa, along with good elongation and toughness. Invar 36 also boasts excellent machinability, weldability, and resistance to corrosion in various environments, making it a great choice for critical precision applications.
| 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 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Invar 36 | 1.3912 | K93600 |
Yes, Invar 36 bar and rod can be welded, but it requires special care due to its low expansion properties. Proper welding techniques, such as TIG or MIG, are recommended.
Yes, specific welding consumables for Invar 36 bar and rod include Invar 36 electrodes, TIG rods, and MIG wires. These materials ensure proper fusion and minimize thermal expansion issues during welding.
Invar 36 rod, primarily composed of iron and nickel, is not highly susceptible to galvanic corrosion. However, when exposed to more noble metals in corrosive environments, it can experience some galvanic effects.
Invar 36 Bars and Rods find their way into a variety of fields, including aerospace, electronics, precision instruments, and scientific equipment. They are particularly well-suited for crafting precision gauges, optical benches, measuring devices, telescope structures, and electronic component frames where maintaining dimensional stability is crucial. Moreover, Invar 36 is utilized in cryogenic applications, industrial tooling, and instrumentation components that are subject to temperature changes. Its combination of low thermal expansion, strength, and reliability makes Invar 36 Bars and Rods the go-to material for high-precision and high-performance applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phehlukwayo Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Cape Town, South Africa
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