Phehlukwayo Metal, a reputable manufacturer and supplier located in Cape Town, South Africa, specializes in high-quality Invar 42 Bars and Rods. These products are celebrated for their outstanding dimensional stability and minimal thermal expansion. Crafted with cutting-edge metallurgical techniques, these bars and rods are built to perform reliably in environments where temperature fluctuations are a concern. Phehlukwayo Metal is committed to delivering superior quality, precision, and consistency in every item, adhering to international standards for both performance and durability. Their Invar 42 Bars and Rods are perfect for industries that demand high precision, such as electronics, aerospace, and instrumentation, where maintaining stability amid temperature changes is crucial.
Invar 42 Bars and Rods primarily consist of iron (about 58%) and nickel (roughly 42%), along with small amounts of carbon, manganese, and silicon. This nickel-iron alloy boasts an incredibly low coefficient of thermal expansion, ensuring stability across a broad temperature range. On the mechanical side, it offers a tensile strength of around 490 MPa, a yield strength close to 275 MPa, and good ductility. The blend of strength, thermal stability, and machinability makes Invar 42 an excellent choice for precision and electronic components.
| Standards : | ASTM F30, ASME SF30 |
| 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 | Cu | Mo |
| Invar 42 | 0.1 max | 0.6 max | 0.35 max | 0.025 max | Balance | 35.0 – 37.0 | 0.5 max | 0.025 max | 0.5 max | 0.5 max | 0.5 max |
| Yield Strength (0.2%Offset) | Tensile Strength | Elongation | Hardness |
| Ksi – 36 , MPa – 248 | Ksi – 71 , MPa – 490 | 40 % | 40 |
| STANDARD | WERKSTOFF NR. | UNS |
| Invar 42 | 1.3917 | K94100 |
Yes, laser welding can be used for Invar 42 bars. Its low thermal expansion properties make it suitable for precision welding, though attention is needed to manage heat input and distortion.
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.
These Invar 42 Bars and Rods find extensive applications in sectors like electronics, aerospace, cryogenics, and scientific instrumentation. They are particularly well-suited for creating electronic components, lead frames, glass-to-metal seals, and precision measurement instruments that require minimal dimensional changes with temperature variations. Invar 42 is also utilized in optical and laser systems, clocks, and aerospace components where temperature shifts can impact accuracy. Its unparalleled thermal stability and dependable performance make Invar 42 Bars and Rods essential for high-precision and temperature-sensitive engineering tasks.
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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