Allegheny Ludlum type 309 is a chromium-nickel, austenitic, heat and corrosion resisting steel recommended for high-temperature applications in corrosive environments. It is intended primarily for high-temperature applications at 816 C (1500 F) or higher, where resistance to oxidation and/or corrosion is required. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness, creep, and fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming and heat treating. Filing Code: SS-728. Producer or source: Allegheny Ludlum Corporation.

ALLEGHENY LUDLUM TYPE 309, chemical composition, corrosion-resistant alloys, creep properties, elasticity, fatigue properties, fracture toughness, hardness, heat treatability, high-temperature alloys, oxidation resistance, physical properties, tensile properties, workability, thermal properties, UNS S30900
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1998
ASM International
Topics
Austenitic stainless steel Corrosion-resistant alloys High-temperature alloys Chemical composition Oxidation resistance Heat treatability Workability Creep properties Elastic modulus Fatigue properties Fracture toughness Hardness Tensile properties Physical properties Thermal properties
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