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, 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. In terms of mechanical properties, 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.
High-speed steel (HSS) bars are sized based on their cross-sectional dimensions (diameter for round bars, width/thickness for flats, or side length for square bars) and overall length. Standard sizes often follow industry specifications (e.g., ASTM, DIN) and are available in a range of diameters (e.g., 3mm to 200mm or more) and lengths (commonly 1-6 meters). Custom sizes can also be produced based on application needs.
Consider grade, hardness, toughness, heat resistance, tensile strength, dimensional accuracy, machinability, application-specific needs, corrosion resistance, surface finish, cost-effectiveness, supplier reliability, and compliance with industry standards.
Invar 42 Bar and Rod are extensively utilized in sectors where dimensional stability and minimal thermal expansion are essential. Typical applications include 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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