Material Description UNS S30909 Chemical Composition, % C Mn P S Si Cr Ni .04-0.10 2.0 .045 .03 1.0 22.0-24.0 12.0-15.0 TP309H is an austenitic chromium-nickel steel with a low carbon content for high-temperature applications. Corrosion Resistance TP309H has a superior corrosion resistance to oxidation up to 1050°C, and the retention of a larger fraction of room temperature strength than common austenitic alloys. Good creep deformation resistance

Furnace equipments, tube hangers, chemical process industries such as hot concentrated acids, ammonia, sulfur dioxide, acetic and citric acid, and food processing industries.

Seamless Tube Information

Specification: ASTM A-213 / ASME SA-213, ASTM A312 / ASME SA312

Outside Diameter: 6.0-406 mm (1/4’’ – 16’’)

Wall Thickness: 0.5-35 mm (0.0196’’ – 1.378’’)

Length: Max.33000 mm (the maximum length is for the scope of special diameters and walls)

Other sizes are on the request