Isis Metals is a reputable manufacturer and supplier of Invar 42 Bars and Rods, proudly based in Manila, Philippines. The company focuses on crafting high-performance nickel–iron alloys that offer low thermal expansion, outstanding dimensional stability, and dependable mechanical strength. Using cutting-edge metallurgical techniques and top-quality materials, their Invar 42 Bars and Rods adhere to international standards for precision and durability. Isis Metals provides these bars and rods in a variety of sizes and finishes, catering to industries like aerospace, electronics, instrumentation, precision engineering, and cryogenics, where keeping dimensional accuracy amidst temperature fluctuations is crucial.
Invar 42 Bars and Rods are made up of 42% nickel and the rest iron, with small amounts of carbon, manganese, and silicon added to enhance workability and structural integrity. This carefully controlled expansion alloy boasts an incredibly low coefficient of thermal expansion, impressive tensile strength (450–700 MPa), and high ductility and toughness, making it perfect for components that need precise dimensional performance under changing thermal conditions.
| 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 precision instruments, aerospace tooling, electronic components, cryogenic systems, optical devices, and scientific equipment. They are especially well-suited for applications like glass-to-metal seals, thermostats, and other temperature-sensitive needs. With their low thermal expansion, reliable mechanical properties, and long-lasting performance, these bars and rods are vital for high-precision, temperature-sensitive engineering and industrial applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Isis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manila, Philippines
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