George Metals is a reliable Houston-based manufacturer and supplier of specialty alloys with precision-engineered precision, providing top-quality **Nilo Alloy 36 Bars and Rods**. Famous for their extremely low coefficient of thermal expansion, these bars are best suited for applications where dimensional stability over a broad range of temperatures is necessary. George Metals follows strict international quality standards, with exacting composition control, close tolerances, and quick delivery. Supplying industries like aerospace, electronics, cryogenics, and instrumentation, the company is a trusted supplier throughout the USA and around the globe for higher-performance materials engineered for thermal stability.
**Nilo Alloy 36 Bars and Rods**—also referred to as Invar 36—are made up of 36% nickel and 64% iron. This special alloy has a very good coefficient of thermal expansion (as low as 1.2 x 10⁻⁶/°C over the range -100°C to 200°C), with good toughness and stability in dimensions. The result—**Nilo Alloy 36 Bars and Rods**—provides tensile strength of about 490–620 MPa and has structural stability at both cryogenic and moderate temperatures. These bars come in different sizes and finishes and are suitable for precision parts.
| Ni | Cr | Mn | P | S | Cr | Si | Al | Co | Fe |
|---|---|---|---|---|---|---|---|---|---|
| 36 | .05 | .80 | .025 | .025 | .250 | .030 | .02 | .05 | Bal |
| Yield Strength (.2% Offset) | Tensile Strength | ||
|---|---|---|---|
| psi | Mpa | psi | Mpa |
| 36,000 | 250 | 71,000 | 490 |
| UNS | WR No | SEW | ASTM | DIN | AFNOR | Trade Name |
|---|---|---|---|---|---|---|
| K94100 | 1.3917 | 385 | F 30 | 17745 | NF A54-301 | Nilo 36 |






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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