Welcome to Nimish Metal, your trusted manufacturing partner in the heart of Safat, Kuwait. We specialize in supplying high-precision Invar 36 bar and rod, a unique material engineered for exceptional stability. Understanding the critical demands of modern industry, we are committed to providing products that deliver unwavering performance. Our focus is on building lasting relationships by ensuring you receive material that meets the most stringent standards, perfect for applications where even the slightest thermal expansion can compromise the integrity of your project.
Invar 36 is an iron-nickel alloy distinguished by its unique composition of approximately 36% nickel. This specific blend is the key to its remarkable characteristic: an extremely low coefficient of thermal expansion. It maintains its dimensions with exceptional consistency across a wide range of temperatures. This stability is complemented by good ductility and tensile strength, allowing it to be machined and formed into the precise components required for sensitive technological applications, making it a truly specialized engineering material.
| 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.
The exceptional dimensional stability of Invar 36 bar and rod makes it indispensable in fields where precision is non-negotiable. You will find it at the heart of precision instruments, aerospace components, and large-scale engineering projects like LNG tanks. It’s crucial for manufacturing molds for composite materials and is widely used in telecommunications and laser systems. Essentially, anywhere that must resist the distorting effects of heat, from a scientific survey tool to a satellite component, relies on the unique properties of Invar 36.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Nimish Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Safat, Kuwait
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