Luois Metals is a reliable manufacturer and supplier of Invar 36 Bars and Rods, proudly based in Houston, USA. This unique nickel-iron alloy is celebrated for its low thermal expansion properties, making it perfect for applications that demand precision and sensitivity to temperature changes. We offer a diverse selection of Invar 36 Bars and Rods in various sizes and conditions, all tailored to meet the strict standards of different industries. Our products undergo rigorous quality checks to guarantee dimensional accuracy and consistent performance. Luois Metals caters to essential sectors like aerospace, electronics, cryogenics, and instrumentation, providing dependable Invar alloy solutions for even the most challenging environments.
Invar 36, often referred to as Alloy 36 or UNS K93600, consists of about 36% nickel and 64% iron. This alloy is famous for its remarkably low coefficient of thermal expansion, particularly around room temperature, which makes it an excellent choice for applications that require dimensional stability. With a tensile strength typically ranging from 450 to 650 MPa, Invar 36 maintains its mechanical properties across a broad temperature spectrum. It also boasts moderate corrosion resistance and impressive toughness. Plus, it’s easy to machine and weld, making it suitable for both precision and structural components that need to minimize thermal deformation.
| 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.
Invar 36 Bars and Rods find their way into applications where maintaining dimensional accuracy during temperature changes is crucial. You’ll often see them in precision instruments, aerospace parts, satellite systems, laser technologies, cryogenic vessels, and measuring devices. The electronics sector utilizes Invar for shadow masks, optical devices, and semiconductor tooling. Its low thermal expansion also makes it a great fit for tooling and molds in composite manufacturing. Luois Metals provides Invar 36 Bars and Rods in both annealed and cold-drawn conditions, cut to length or custom-machined, ensuring that we meet your specific needs.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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