Anucha Metals, a reputable manufacturer and supplier based in Bangkok, Thailand, specializes in high-quality Invar 42 Bars and Rods tailored for industries that demand precision. These products are crafted using cutting-edge technology and adhere strictly to international standards, making them renowned for their low thermal expansion, exceptional dimensional stability, and impressive mechanical strength. Anucha Metals guarantees that their Invar 42 Bars and Rods deliver reliable performance and durability, making them ideal for applications in aerospace, electronics, cryogenic engineering, and scientific instruments. Their remarkable stability across varying temperatures makes them a go-to material for critical industrial and engineering needs.
Invar 42 Bars and Rods consist of about 42% nickel, with the remainder being iron and a few trace elements that enhance stability. This specific composition results in a controlled coefficient of thermal expansion, perfect for glass-to-metal sealing applications. On the mechanical side, they boast good tensile strength, toughness, and hardness, all while maintaining their performance in both cryogenic and high-temperature environments. Their dimensional stability during thermal fluctuations ensures a long service life, precision, and reliability, making Invar 42 Bars and Rods an outstanding choice for challenging environments and specialized engineering tasks.
| 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 use in various industries that prioritize stability and durability. In the electronics sector, they are utilized in semiconductor packaging, glass-to-metal seals, and electronic components. The aerospace industry relies on them for satellite components, aircraft tooling, and navigation instruments due to their precision and thermal resistance. In cryogenic engineering, they are essential for storage tanks, measuring devices, and scientific equipment. Furthermore, Invar 42 Bars and Rods are also used in defense, optical instruments, power generation, and specialized engineering fields where resistance to thermal expansion and consistent performance are vital.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Anucha Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Bangkok, Thailand
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