Nilo Alloy 48 Bars and Rods are manufactured and provided by Chung Metal in Da Nang, Vietnam, intended to match the thermal expansion characteristics of soft glass and ceramic materials. The 48% nickel iron-nickel alloy is critical in hermetic sealing applications where differential expansion may generate stress or failure. Chung Metal provides high-performance Nilo 48 products for consistent performance in delicate electronic and sealing applications.
Nilo 48 contains 48% nickel and remainder iron. It has a thermal expansion coefficient of approximately 5.9 µm/m-°C, tensile strength of about 440 MPa, and excellent thermal fatigue resistance. The alloy is soft magnetically and has good stability over a wide temperature range.
| Grade | C | Mn | P | S | Si | Ni | Cr | Fe |
| Nilo Alloy 48 | 0.05 max | 0.80 max | 0.025 max | 0.025 max | 0.030 max | 48 | 0.250 max | Bal |
| Material | Condition | Tensile Strength | Yield Strength (0.2% Offset) | Elongation (%) | ||
| psi | MPa | psi | MPa | |||
| Alloy 48 | Annealed | 71,000 | 520 | 38,000 | 250 | 43 |
| STANDARD | WERKSTOFF NR. | UNS |
| Nilo Alloy 48 | – | K94800 |
Maintain Nilo Alloy 48 bars by storing them in a dry environment, avoiding contact with corrosive substances, cleaning with non-abrasive materials, and inspecting regularly for damage or corrosion.
Yes, Nilo Alloy 48 Bars and Rods can be customized in size and length to meet specific requirements, ensuring they are tailored for diverse industrial and engineering applications.
Nilo Alloy 48 bars and rods excel in high-temperature environments due to their exceptional thermal expansion control, oxidation resistance, and stability, making them ideal for aerospace, electronic, and industrial applications.
Nilo 48 rods and bars are extensively applied in electronic tube components, lamp bases, ceramic-to-metal seals, and vacuum devices. The alloy is appropriate for high-reliability use in electronics, defense, and scientific equipment where thermal expansion compatibility with ceramics or glass is essential for durability and performance.






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