Isis Metals is a reputable manufacturer and supplier of Invar 36 Bars and Rods, proudly based in Manila, Philippines. The company focuses on crafting high-performance nickel–iron alloys that are well-known for their remarkably low coefficient of thermal expansion, outstanding dimensional stability, and dependable mechanical strength. Using cutting-edge metallurgical techniques and top-quality materials, Isis Metals ensures that their Invar 36 Bars and Rods meet international standards for both precision and durability. These bars and rods come in a variety of sizes and finishes, catering to industries like aerospace, precision instrumentation, electronics, cryogenics, and scientific equipment, where keeping dimensional accuracy during temperature changes is crucial.
Invar 36 Bars and Rods are made up of 36% nickel and the rest iron, with small amounts of carbon, manganese, and silicon added to enhance workability and structural stability. This alloy boasts an incredibly low coefficient of thermal expansion, impressive tensile strength (ranging from 450 to 700 MPa), along with high ductility and toughness, making it perfect for components that need to maintain precise dimensions despite temperature variations.
| 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.
These Invar 36 Bars and Rods find their place in precision measuring instruments, optical devices, aerospace tooling, cryogenic containers, electronic components, and glass-to-metal seals. Their unique low-expansion characteristics make them ideal for temperature-sensitive applications, such as thermostats, scientific instruments, and high-precision engineering assemblies. With a long service life, exceptional dimensional stability, and reliable performance, these bars and rods are essential for industries that demand high-precision and thermally stable materials.
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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