Dhruv Metals, based in Hyderabad, India, is a reliable manufacturer and supplier of top-quality Invar 36 Bars and Rods, serving industries that demand outstanding dimensional stability. Renowned for its incredibly low coefficient of thermal expansion, Invar 36 is perfect for high-precision applications. Dhruv Metals guarantees that its products adhere to international quality and performance standards. Our Invar 36 Bars and Rods are crafted using cutting-edge processes and strict quality control measures to ensure consistency, reliability, and precise tolerances. We are dedicated to providing trustworthy Invar 36 solutions for the aerospace, electronics, and instrumentation sectors.
Invar 36 Bars and Rods consist of about 64% iron and 36% nickel. This unique blend gives it a remarkably low coefficient of thermal expansion, ensuring stability across a wide temperature range. On the mechanical side, Invar 36 boasts good toughness, moderate strength, excellent weldability, and decent corrosion resistance. Its ability to maintain structural integrity during thermal cycling makes it a go-to material for dimensional control in precision 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 in various industries, including aerospace, cryogenics, telecommunications, electronics, and scientific instrumentation. Common uses include precision measuring devices, laser systems, composite tooling, satellite structures, and cryogenic tanks. Its minimal thermal expansion makes it particularly suitable for components that need to maintain exact dimensions despite temperature changes. Dhruv Metals provides high-quality Invar 36 Bars and Rods designed for reliability, dimensional accuracy, and long-term stability in critical, high-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.
Dhruv Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hyderabad , India
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