Reputable Delhi, India-based manufacturer and supplier Rupal Metals provides premium Invar 36 Bars and Rods, which are renowned for their exceptional dimensional stability and minimal thermal expansion. Rupal Metals serves industries that need precise tolerances under a range of temperatures, with a strong emphasis on accuracy, consistency, and international quality standards. Rupal Metals’ Invar 36 products are perfect for cryogenic, electronics, instrumentation, and aerospace applications. The company provides dependable solutions that satisfy the most exacting engineering specifications and performance requirements in India and international markets, supported by years of industry experience and a dedication to customer satisfaction.
Because Invar 36 Bars and Rods are made up of roughly 36% nickel and 64% iron, they have a remarkably low coefficient of thermal expansion. Over a broad temperature range, this alloy retains exceptional dimensional stability. Tensile strength of approximately 485 MPa, yield strength of approximately 275 MPa, and elongation of up to 30% are examples of mechanical properties. Additionally, Invar 36 has high machinability, moderate hardness, and good toughness. For crucial applications in precision instruments and aerospace components, its capacity to preserve structural accuracy in the face of changing thermal conditions makes it extremely desirable.
| 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.
Applications requiring low thermal expansion and remarkable dimensional stability frequently use Invar 36 Bars and Rods. These consist of composite mould tooling, optical and laser systems, measuring tools, and precision instruments. Invar 36 is utilised in cryogenic fuel tanks, satellite components, and structural elements that undergo significant temperature changes in the aerospace and aviation sectors. Invar is also used in electronics, where exact alignment is crucial, like CRT shadow masks and telecommunications equipment. It is perfect for storage vessels, transportation systems, and instrumentation in scientific and industrial cryogenics because of its suitability for cryogenic environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
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