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Effect of Carbon on Stainless Austenitic CrMnCN Steel Castings
Author(s) -
Berns H.,
Hussong B.,
Riedner S.,
Wischnowski F.
Publication year - 2010
Publication title -
steel research international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.603
H-Index - 49
eISSN - 1869-344X
pISSN - 1611-3683
DOI - 10.1002/srin.200900137
Subject(s) - materials science , metallurgy , corrosion , brittleness , ultimate tensile strength , austenite , carbon steel , work hardening , carbon fibers , aqueous solution , hardening (computing) , austenitic stainless steel , composite material , chemistry , microstructure , layer (electronics) , composite number
The effect of up to 0.5 mass% C on a steel with 18 to 19 mass% Cr and Mn each and about 0.6 mass% N was investigated by tensile tests, notch impact tests and corrosion tests. The experimental results show that the solution anneal temperature and the sensitisation to intercrystalline corrosion depend on the carbon content which raise the strength and cold work hardening. Up to 1 mass% C+N the ductile to brittle transition temperature remains at about −90 °C. Corrosion in diluted aqueous solutions of H 2 SO 4 , HCl and NaCl is described.