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Okoye Nickel Alloys is a prominent manufacturer and supplier located in Kinshasa, Congo, specializing in high-quality Invar 42 Bars that are perfect for precision engineering and temperature-sensitive applications. The company has built a solid reputation for its dedication to excellence, cutting-edge manufacturing techniques, and rigorous quality control. Their Invar 42 Bars are crafted to deliver exceptional dimensional stability, strength, and reliability. Designed to meet international standards, these bars are ideal for high-precision sectors like aerospace, electronics, cryogenics, and instrumentation. With a track record of consistent performance and durability, Okoye Nickel Alloys has become a trusted partner for various industrial and scientific material requirements.
Invar 42 Bar consists of about 42% nickel and 58% iron, resulting in an alloy with a carefully controlled low coefficient of thermal expansion. This unique composition guarantees excellent dimensional stability and minimal expansion when temperatures fluctuate. On the mechanical side, Invar 42 boasts high tensile strength, good ductility, and dependable toughness. It retains its structural integrity in both cryogenic and high-temperature settings, ensuring reliable performance and machinability. These mechanical characteristics make Invar 42 Bar an excellent choice for precision components that require thermal consistency and long-lasting stability.
| 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 Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Invar 42 Bar in Kinshasa, Congo, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Congo, 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 Bar finds its place in industries that require outstanding dimensional stability and low thermal expansion. It’s perfect for electronic components like lead frames, semiconductor packages, and glass-to-metal seals. In the aerospace and cryogenic fields, it’s utilized for satellite components, fuel tanks, and instrumentation that demand minimal expansion. Additionally, Invar 42 Bar is used in optical systems, measuring devices, and tooling applications. Its ability to maintain dimensional accuracy despite temperature changes makes it a go-to material for precision engineering and scientific equipment.