STEEL FOR HEADER

PURPOSE:To manufacture a steel for a header having superior performance necessary for a header and superior delayed fracture resistance by adding a proper amount of C, regulating the amounts of impurities such as Si, Mn, P and S to a specified value or below each and further adding suitable amounts...

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Bibliographic Details
Main Authors ISOGAWA KENJI, NAMIKI KUNIO
Format Patent
LanguageEnglish
Published 03.09.1987
Subjects
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:PURPOSE:To manufacture a steel for a header having superior performance necessary for a header and superior delayed fracture resistance by adding a proper amount of C, regulating the amounts of impurities such as Si, Mn, P and S to a specified value or below each and further adding suitable amounts of Cr and Al. CONSTITUTION:This steel for a header contains, by weight, 0.20-0.50% C, 0.01-2.0% Cr, 0.005-0.050% Al and impurities including <=0.10% Si, <=1.60% Mn, <=0.015% P and <=0.005% S or further contains one or more among 0.1-2.0% Ni, 0.1-1.0% Mo, 0.01-0.50% V and 0.0005-0.0050% B. The steel has superior performance necessary for a header and superior delayed fracture resistance which is maintained even under high load.
Bibliography:Application Number: JP19860039374