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Marsh Nickel Alloys, located in Canberra, Australia, stands out as a top manufacturer and supplier of high-quality Invar bars. With a reputation for precision in manufacturing and strict quality control, the company delivers Invar bars that meet the rigorous demands of various industries. They serve sectors like aerospace, electronics, and precision instrumentation, where the distinct properties of Invar bars are crucial for optimal performance and reliability. Their expertise guarantees consistent quality and timely delivery of Invar bars customized to meet customer needs.
Invar bars are made up of roughly 64% iron and 36% nickel, forming a unique alloy celebrated for its incredibly low coefficient of thermal expansion. This characteristic means that Invar bars experience minimal changes in size when subjected to temperature variations. On the mechanical side, they provide good strength and remarkable stability, making them perfect for applications that require precise dimensional control. Their exceptional thermal and mechanical properties ensure reliable performance in environments with fluctuating temperatures.
| 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 % |
At Marsh Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Invar Bar in Canberra, Australia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Australia, 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 bars are extensively utilized in the aerospace industry for components that need to maintain dimensional stability during temperature shifts, such as structural parts and instrumentation. In electronics, they are essential for precision components like magnetic shielding and reference standards. The scientific and metrology fields depend on Invar bars for equipment that requires accurate measurements unaffected by thermal expansion. Moreover, Invar bars are also used in manufacturing tools and fixtures where maintaining tight tolerances is critical.
