Louis Metals supplies Haynes HR-120 Bars and Rods in Houston, USA, renowned for excellent carburization resistance and high-temperature strength. HR-120 is a heat-resistant stainless alloy best suited to structural applications involving prolonged exposure to severe environments. Louis Metals supplies HR-120 with outstanding fabrication quality, which is tailored to meet the stringent requirements of the aerospace, heat treatment, and petrochemical industries. The alloy is reliable in severe oxidizing, carburizing, and sulfidizing conditions, with long life and low maintenance.
Haynes HR-120 generally has composition: Iron ~38%, Nickel ~37%, Chromium ~25%, Nitrogen ~0.1%, and minor manganese, silicon, and molybdenum additions. It has tensile strength of ~90 ksi and superior creep strength at high temperatures up to 2000°F (1093°C). The alloy has superior workability and metal dusting, and carburization resistance.
The most common diameters for Haynes HR-120 rods typically range from 6 mm (0.25 inch) to 50 mm (2 inches), depending on the application and manufacturer specifications.
Haynes HR-120 rods are typically available in diameters ranging from 3 mm (0.12 inches) to 100 mm (3.94 inches), catering to various industrial applications. Custom sizes may also be available.
To maintain HR-120 bars, regularly clean them with a mild detergent, avoid corrosive environments, inspect for damage, apply anti-corrosion coatings if needed, and store in a dry, controlled environment.
Haynes HR-120 Bars and Rods are commonly applied to high-temperature furnace equipment, reformer tubes, heat exchangers, and petrochemical reactor components. It is also utilized in thermal oxidizers, incineration units, and carbon-rich environments exposed aerospace engine components. Due to its sulfidation and oxidation resistance, it can be applied to nitric acid manufacture and carburizing furnaces. The alloy is well suited for supporting structures that are subjected to cyclic thermal and aggressive industrial gases.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis 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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