Semih Metals stands out as a top-notch 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 high-quality Invar 42 solutions.
Invar 42, also referred to as 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%, depending on its temper and treatment. This alloy maintains excellent dimensional stability over a broad temperature range, making it perfect for precision applications.
Standards : ASTM B221, B211, B565, B316, AMS 4121 2014
Standard : ASTM, ASME, AMS, GB/T, JIS
Length : 100 mm To 3000 mm Long & Above, Random, Fix & Cut Length or as per clients’ requirement
Size : 5 mm To 500 mm
Diameter : 0.1-600mm
Finish : Bright, Polish & Black
Type : Hot-Rolled (HR) / Cold-Rolled (CR) Sheet
| Temper | Tensile Strength | Yield Strength | Elongation |
|---|---|---|---|
| KSI | KSI | % | |
| T451 | 35 | 21 | 25 |
| T651 | 45 | 40 | 17 |
| Material | Diameter (mm) | Tensile Strength min (N/mm²) | Yield Strength min (N/mm²) | Elongation on 5.65v % (min) |
| Alloy 6082 T6 Bar | < 20 | 295 | 255 | 8 |
| Alloy 6082 T6 Bar | 20 – 150 | 310 | 270 | 8 |
| Alloy 6082 T6 Bar | 150 – 200 | 280 | 240 | 5 |
| European Standard | BS (OLD) | USA (AA) | GERMANY (DIN) | ISO | IS | Canadian |
|---|---|---|---|---|---|---|
| EN AW-6082 A | – | 6082 | – | – | – | – |
Yes, aluminum hollow bars are corrosion-resistant due to the natural oxide layer that forms on the surface, providing protection against environmental elements like moisture, air, and chemicals.
Yes, aluminium hollow rods can be customized in both size and length according to specific requirements. Suppliers often offer options for diameter, wall thickness, and cut-to-length services.
Aluminum hollow bars and rods typically perform well in moderate temperatures but may lose strength and structural integrity in high-temperature environments above 200-250°C, becoming prone to deformation and oxidation.
Invar 42 Bar and Rod are extensively utilized in industries where maintaining dimensional stability and minimizing thermal expansion are crucial. You’ll find it in electronic components, telecommunications, aerospace instrumentation, precision measurement devices, and cryogenic engineering. The alloy’s stability across varying temperatures makes it ideal for lead frames, glass-to-metal seals, and shadow masks in CRTs. It’s also employed 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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