#ss309htube

ASTM A213 TP309H is an austenitic stainless steel seamless tube designed for high-temperature and corrosion-resistant applications. The 309H grade is a high-carbon modification of stainless steel 309, developed to improve creep strength and mechanical stability at elevated temperatures. Because of its high chromium and nickel content, ASTM A213 TP309H tubes provide excellent resistance to oxidation, scaling, and thermal fatigue, making them suitable for severe industrial environments.