Hemi Metals stands out as a reliable manufacturer and supplier of top-notch Nilo Alloy Bars and Rods, proudly rooted in Hamilton, New Zealand. Known for their precision engineering and dependable product performance, the company provides materials that meet the toughest industrial standards. Their Nilo Alloy offerings are crafted to ensure outstanding dimensional stability and controlled thermal expansion, making them ideal for critical environments. Hemi Metals emphasizes rigorous quality control, dependable supply, and expert technical support, guaranteeing that customers receive durable, high-performance alloys suited for modern engineering, electronics, and manufacturing needs.
Nilo Alloy Bars and Rods are generally made from nickel-iron alloys, carefully blended with chromium, manganese, and carbon to achieve stable thermal expansion properties. They boast excellent dimensional stability, good ductility, and impressive mechanical strength across a range of temperatures. These alloys deliver reliable magnetic and electrical characteristics, making them essential for precision components. Their mechanical performance features moderate tensile strength, outstanding formability, and resistance to thermal fatigue. Nilo Alloys also maintain their structural integrity in both cryogenic and high-temperature conditions, supporting performance in demanding industries that require long-term stability and consistent material behavior.
| 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 extensive use in industries where precise control of thermal expansion is crucial. Common applications include electronic devices, semiconductor components, and vacuum-sealed systems that need stable performance despite temperature fluctuations. They are also utilized in thermostats, glass-to-metal seals, and precision instruments where dimensional accuracy is paramount. Aerospace and scientific equipment manufacturers depend on Nilo Alloys for components that are exposed to extreme conditions.






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