Chuck Metals is a leading manufacturer and supplier of Nilo Alloy Bars and Rods based in Singapore, Pulau Ujong. They specialize in providing top-notch nickel-iron alloy solutions tailored for critical and high-precision industrial applications. Nilo Alloys, which include grades like Nilo 36 (Invar), Nilo 42, and Nilo K, are celebrated for their controlled thermal expansion, outstanding stability, and compatibility with glass and ceramics. Chuck Metals takes pride in delivering expertly crafted bars and rods that meet international standards, catering to industries such as aerospace, electronics, telecommunications, and instrumentation. With a commitment to precision manufacturing, dependable logistics, and a strong focus on quality, Chuck Metals has earned a reputation as a trusted source for Nilo Alloy products.
Nilo Alloy Bars and Rods are typically made from nickel-iron alloys, with nickel content varying from 36% to 42%, depending on the specific grade. These alloys are designed to have extremely low coefficients of thermal expansion, ensuring they maintain dimensional stability across a wide range of temperatures. For instance, Nilo 36 boasts near-zero expansion at ambient temperatures, while Nilo 42 is engineered to thermally match ceramic and glass components. These alloys also demonstrate impressive tensile strength, ranging from 450 to 620 MPa, along with good weldability, machinability, and stability in both cryogenic and elevated temperature conditions.
| Grade | Nilo Alloy Round Bar |
|---|---|
| Nilo Alloy Square bar size | 4 to 100mm |
| Nilo Alloy Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Alloy Nilo Hex Bar size | 2-100mm A/F |
| Nilo Alloy Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Nilo Alloy Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Alloy Nilo Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Nilo Alloy Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Nilo Alloy Section | 3.0 to 12.0mm thickness |
| Alloy Nilo Round bar size | Diameter: 3-~800mm |
| Nilo Alloy Billet Size | 1/2″ to 495mm Diameter |
| Nilo Alloy Round Bar Standard Dimensions | Diameter / Height: |
| Nilo Alloy Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Nilo Alloy Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Alloy Nilo Technique | Nilo Alloy Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Nilo Alloy Condition | Hardened & tempered, annealed |
| Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Form | Nilo Alloy Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square Bar, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc. |
| Processing | Bar cutting to 650mm |
| Our Nilo Alloy Round bar conforms to NACE MR0175/ISO 15156 | |
| Grade | Mn | C | P | S | Si | Ni | Cr | Fe |
| Nilo Alloy 48 | 0.80 max | 0.05 max | 0.025 max | 0.025 max | 0.030 max | 48 | 0.250 max | Bal |
| Nilo Alloy K | 0.50 max | 0.04 max | 17.0 | 0.10 max | 0.20 | 29.0 | 0.20 max | 53.0 |
Properties | Metric | Imperial |
|---|---|---|
Modulus of elasticity | 130 GPa | 18900 ksi |
Tensile strength | 520MPa | 75.4 ksi |
Yield strength | 340 MPa | 49.3 ksi |
Nilo alloy bars and rods excel in high-temperature environments due to their excellent thermal stability, low thermal expansion, and resistance to thermal shock, making them ideal for high-precision applications.
Yes, Nilo Alloy rods can be customized in size and length to meet specific requirements. Manufacturers typically offer tailored solutions based on customer needs for various applications.
To maintain Nilo Alloy bars, clean regularly with a mild detergent, avoid harsh chemicals, store in a dry environment, and inspect for wear or corrosion. Lubricate if necessary.
Nilo Alloy Bars and Rods find their place in applications that demand tight dimensional tolerances and resistance to thermal deformation. Key sectors utilizing these materials include aerospace tooling, satellite structures, electrical components, integrated circuits, semiconductor packaging, and scientific instruments. They are also commonly used in sealing applications that involve glass-to-metal and ceramic-to-metal joints. The unique thermal and mechanical properties of Nilo Alloys make them perfect for precision devices and components that need to maintain stability despite temperature fluctuations, supporting high-performance systems in advanced engineering settings.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
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