Semih Metals, based in Istanbul, Turkey, is a well-regarded manufacturer and supplier of high-performance alloy products, including Haynes 75 bars and rods. With a strong commitment to quality, durability, and precision, Semih Metals creates components that are built to excel in extreme conditions. The company caters to a diverse global clientele across industries like aerospace, power generation, and chemical processing. Their Haynes 75 bars and rods are meticulously engineered to comply with international standards and meet specific customer needs for high-temperature strength and oxidation resistance.
Haynes 75, often referred to as Alloy 75, is a nickel-chromium alloy that consists of about 78% nickel, 20% chromium, along with trace amounts of titanium and carbon. This unique composition grants it impressive mechanical strength and outstanding oxidation resistance, even at temperatures reaching around 1000°C (1830°F). Typical mechanical properties include a tensile strength of roughly 800 MPa, a yield strength ranging from 400 to 450 MPa, and an elongation of about 35%. The alloy retains its strength and stability in high-temperature environments while also offering good workability and weldability, making it an excellent option for high-temperature structural components.
Haynes 75 Rods are typically available in diameters ranging from 6 mm to 100 mm, depending on the supplier. Custom sizes may also be available upon request.
Haynes 75 bars are typically available in standard diameters ranging from 6mm to 300mm or more, with lengths of 1 to 6 meters, depending on manufacturer specifications.
To maintain Haynes 75 bars, ensure proper storage in a dry environment, clean regularly to prevent contamination, avoid exposure to corrosive substances, and inspect for signs of wear or damage.
Haynes 75 bars and rods find extensive applications in aerospace engines, combustion chambers, afterburners, and turbine components, where heat and oxidation resistance are paramount. They are also utilized in parts for industrial furnaces, heat treatment fixtures, and chemical processing systems that face oxidizing conditions. The material’s ability to maintain strength and resist thermal degradation makes it ideal for both static and rotating components in high-temperature settings. Thanks to its reliable performance, Haynes 75 remains a favored choice among engineers designing critical applications.






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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