In Houston, USA, Louis Metals provides Haynes 625SQ Bars and Rods with superior surface quality (SQ) and high corrosion resistance. This version of Haynes 625 is designed for smooth surfaces and close dimensional tolerances and is particularly suited for precision-machined components where critical application can withstand or endure the operational conditions. Produced under rigorous quality control, Haynes 625SQ retains the superior fatigue, oxidation, and stress-corrosion resistance of unalloyed Haynes 625 but with enhanced machinability. Louis Metals supplies these rods and bars to marine, aerospace, oil & gas, and chemical processing industries with specifications and cut lengths to suit customer requirements.
Haynes 625SQ has Nickel ~58%, Chromium ~21.5%, Molybdenum ~9%, Niobium + Tantalum ~3.6%, and Iron ~5%. It has a tensile strength of about 135 ksi, with a yield strength of 70 ksi and superior ductility. The SQ designation provides improved surface finish and closer tolerance. It provides consistent mechanical stability in a broad range of temperatures and environments, with superior resistance to chloride-induced corrosion and pitting.
Yes, Haynes 625SQ rods can be customized in size and length according to specific requirements. Manufacturers typically offer tailored dimensions for various applications in industries requiring precise specifications.
Haynes 625SQ Rod is typically available in diameters ranging from 0.125" (3.175mm) to 3.000" (76.2mm), with custom sizes possible. Lengths usually range from 12" to 20' (3.66m).
Haynes 625SQ bars and rods offer excellent performance in high-temperature environments, with outstanding oxidation and carburization resistance, maintaining strength and integrity at elevated temperatures up to 1800°F (982°C).
Haynes 625SQ Bars and Rods are suitable for aerospace applications like heat shields, exhaust ducts, and precision-engineered turbine parts. In naval applications, it is used for seawater piping systems, propulsion shafts, and hydraulic couplings. The oil and gas industry uses this alloy for critical parts like risers, valves, and flexible couplings that require superb surface finish and corrosion resistance. It is also extensively employed in high-purity chemical processing systems, particularly where low surface roughness is essential to system performance.






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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