Houston-based USA company George Metals is a reliable manufacturer and supplier of Nilo Alloy 52 bars and rods, offering precision nickel–iron products with minimal thermal expansion and dimensional accuracy. George Metals makes the bars and rods to internationally high standards like ASTM F30 and offers them in customized diameters, lengths, and finishes to suit precise industrial requirements. With a history for quality, reliability, and quick turnaround, George Metals supplies exacting industries including electronics, aerospace, telecommunications, and instrumentation, with high-performance solutions for severe thermal and mechanical applications.
Nilo Alloy 52 bar and rod contain nominally 52% nickel and balance iron, with small quantities of manganese (≤0.80%), silicon (≤0.30%), and carbon (≤0.05%), together with minor traces of chromium and aluminum. This alloy is designed for low and stable coefficient of thermal expansion (\\~5.2–6.0 µm/m·°C at 20–300 °C), closely approximating that of ceramics and soft glass. In the annealed state, Nilo 52 exhibits tensile strength of approximately 550 MPa, yield strength of \\~300 MPa, and elongation of \\~40%. These characteristics provide dimensional stability, magnetic permanence, and consistent mechanical performance through thermal cycles.
Dimension : EN, DIN, JIS, ASTM, BS, ASME, AISI
Grade : Nilo Alloy 52 (UNS No.N14052) Round Bars
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
Surface : Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline
Application : Chemical process, Food processing, Petrochemical, Pollution control, Pulp and Paper, Refining
Condition : Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished.
Our Nilo Alloy 52 Round Bars conforms to NACE MR0175/ISO 15156
| Element | Content (%) |
|---|---|
| Nickel, Ni | 52 |
| Iron, Fe | Remainder |
| Ultimate Tensile Strength (N/mm²) | Proof Stress (N/mm²) | Elongation (%) | Hardness (HB) |
|---|---|---|---|
| 550 | 280 | 35 | 80 |






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