Semih Metals stands out as a premier manufacturer and supplier located in Istanbul, Turkey, with a focus on high-performance metal alloys like Invar 42 Bar and Rod. With decades of expertise in the metallurgical field, Semih Metals provides precision-engineered materials that meet the rigorous demands of industries such as aerospace, electronics, and cryogenics. The company prides itself on its commitment to quality, innovation, and customer satisfaction, offering both standard and custom specifications of Invar 42 products to clients around the globe. Thanks to cutting-edge manufacturing techniques and strict quality control measures, Semih Metals has built a solid reputation as a reliable source for top-notch Invar 42 solutions.
Invar 42, or UNS K94100, is an iron-nickel alloy that contains about 41–43% nickel, with the remainder being iron, along with small amounts of carbon, manganese, and silicon. It’s well-known for its remarkably low coefficient of thermal expansion. On the mechanical side, Invar 42 boasts a tensile strength of roughly 450–700 MPa, a yield strength of about 275 MPa, and an elongation range of 30–45%, which can vary based on temper and treatment. This alloy maintains excellent dimensional stability over a broad temperature range, making it perfect for precision applications.
Material: Beryllium
Outer Diameter: 0.060-2.00mm
Type: Copper Alloys
Standard: UNS C17500
Processing: Seamless / Welding
| Element | Be | Co | Ni | Co+Ni | Co+Ni+Fe | Pb | Al | Si | Fe | Cu |
|---|---|---|---|---|---|---|---|---|---|---|
| Beryllium C17500 | 0.4-0.7 | 2.4-2.7 | – | – | – | – | 0.2 max. | 0.2 max. | 0.1 max. | Bal |
| Element | Density (g/cm3) | Elastic Modulus(MPA) | Thermal Expansion | Thermal Conductivity(w/(m.k) | Melting Temperature(C) |
|---|---|---|---|---|---|
| Beryllium C17500 | 8.83 | 138000 | 18 | 240 | 1010-1050 |
| STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
| Alloy No. 10 | 2.1285 | C17500 |
| Alloy No. 3 | 2.0850 | C17510 |
Yes, Beryllium Copper C17500 is recyclable. It can be melted down and reused for manufacturing, reducing the need for new raw materials while maintaining its properties after recycling.
Yes, Beryllium Copper C17500 rods can be customized in size and length according to specific requirements. Manufacturers typically offer flexibility in customization for various industrial applications.
Yes, Beryllium Copper C17500 bars exhibit good corrosion resistance, especially in harsh environments, due to their strong alloy composition. However, they are more prone to corrosion in chloride-rich conditions.
Invar 42 Bar and Rod find extensive use in industries where maintaining dimensional stability and minimizing thermal expansion are crucial. Typical applications include electronic components, telecommunications, aerospace instrumentation, precision measurement devices, and cryogenic engineering. The alloy’s stability across different temperatures makes it ideal for lead frames, glass-to-metal seals, and shadow masks in CRTs. Additionally, it’s utilized in tooling for aerospace composite fabrication and high-precision instruments like gyroscopes and laser components. Invar 42 is particularly preferred in environments where thermal fluctuations could jeopardize structural integrity or precise alignments, ensuring long-lasting reliability and accuracy.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Semih Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Istanbul, Turkey
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