Starc Metals is a well-respected manufacturer and supplier of Invar 36 Bars and Rods based in Canberra, Australia. They specialize in high-quality nickel-iron alloy products that are celebrated for their remarkably low coefficient of thermal expansion. These Invar 36 bars and rods are crafted for precision applications where maintaining dimensional stability is crucial, even when temperatures fluctuate. Thanks to their advanced manufacturing techniques, Starc Metals guarantees an excellent surface finish, tight dimensional tolerances, and top-notch quality, making these products perfect for industries like aerospace, cryogenics, instrumentation, and scientific equipment that demand exceptional thermal stability and reliability.
Typically, Invar 36 Bars and Rods consist of 36% nickel, with the remainder being iron, along with small amounts of carbon, manganese, and silicon to boost machinability and performance. This alloy showcases a very low coefficient of thermal expansion up to about 230°C, ensuring high dimensional stability. Invar 36 boasts a tensile strength ranging from 490 to 620 MPa and offers good ductility while maintaining toughness, even at cryogenic temperatures. It also features moderate corrosion resistance and excellent weldability, making it a versatile choice for various precision-engineering 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.
You’ll find Invar 36 Bars and Rods commonly used in precision instruments, optical devices, cryogenic containers, and electronic components where minimal thermal expansion is a must. They’re also utilized in aerospace tooling, measuring devices, laser components, and clock pendulums. The alloy’s ability to keep its dimensions intact despite temperature changes makes it a go-to option for both scientific and industrial applications. With its remarkable thermal stability, machinability, and mechanical properties, Invar 36 Bars and Rods from Starc Metals deliver reliable performance in even the most demanding precision environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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