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Olwan Nickel Alloys, based in Amman, Jordan, is a trusted manufacturer and supplier of high-quality Invar 42 Bars designed for precision-focused and high-stability applications. Known for its commitment to excellence, the company delivers bars that offer extremely low thermal expansion, making them ideal for industries that rely on dimensional accuracy. With advanced manufacturing processes and strict quality control, Olwan Nickel Alloys ensures that every Invar 42 Bar meets international standards and performs reliably in sensitive engineering environments. Their dedication to customer satisfaction and dependable product quality makes them a preferred supplier across global industrial sectors.
Invar 42 Bars are composed primarily of iron and nickel, with approximately 42% nickel content to achieve exceptional thermal stability. The alloy is known for its very low coefficient of thermal expansion, excellent dimensional stability, and good mechanical strength. It offers reliable toughness, moderate hardness, and consistent performance in varying temperature conditions. Invar 42 also provides good machinability and maintains structural integrity under stress. These properties make it particularly valuable for precision components requiring minimal thermal distortion during operation.
| Standards : | ASTM F30, ASME SF30 |
| 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 | Cu | Mo |
| Invar 42 | 0.1 max | 0.6 max | 0.35 max | 0.025 max | Balance | 35.0 – 37.0 | 0.5 max | 0.025 max | 0.5 max | 0.5 max | 0.5 max |
| Yield Strength (0.2%Offset) | Tensile Strength | Elongation | Hardness |
| Ksi – 36 , MPa – 248 | Ksi – 71 , MPa – 490 | 40 % | 40 |
At Olwan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Invar 42 Bar in Amman, Jordan, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Jordan, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Invar 42 Bars are widely used in industries where thermal stability and accuracy are critical. They are commonly applied in electronic devices, semiconductor manufacturing, and instrumentation where tight dimensional tolerances are essential. The alloy is ideal for glass-to-metal seals, thermostat components, precision measuring tools, and magnetic shielding devices. Aerospace and defense sectors use Invar 42 for structural and sensor components that must remain stable in fluctuating temperatures. It is also used in scientific equipment, optical devices, and high-precision assemblies. Its unique low-expansion characteristics make it indispensable for advanced engineering applications.
