AUSTENITIC STAINLESS STEEL SHEET

Austenitic stainless steel sheet excellent in high-temperature fatigue characteristics able to be applied to exhaust manifolds and turbo exhaust pipes of automobiles and other parts subjected to vibration at 400° C. to 600° C. temperatures is provided, specifically, austenitic stainless steel sheet...

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Bibliographic Details
Main Authors HAMADA, Junichi, YOSHII, Chikako
Format Patent
LanguageEnglish
Published 29.07.2021
Subjects
ALLOYS
BLASTING
CHEMISTRY
ENGINE PLANTS IN GENERAL
FERROUS OR NON-FERROUS ALLOYS
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
METALLURGY
STEAM ENGINES
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WEAPONS
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Summary:Austenitic stainless steel sheet excellent in high-temperature fatigue characteristics able to be applied to exhaust manifolds and turbo exhaust pipes of automobiles and other parts subjected to vibration at 400° C. to 600° C. temperatures is provided, specifically, austenitic stainless steel sheet excellent in high-temperature fatigue characteristics comprising, by mass %, C: 0.002 to 0.3%, Si: 1.0 to 4.0%, Mn: 0.05 to 3.0%, P: 0.01 to 0.05%, S: 0.0001 to 0.01%, Ni: 5 to 15%, Cr: 15 to 30%, Mo: 0.5 to 4.0%, and N: 0.01 to 0.3%, having a balance of Fe and unavoidable impurities, satisfying Si+Mo≥1.8%, and satisfying A+B>2.5 mm/mm2 prescribing the grain boundary lengths.
Bibliography:Application Number: US201917273562