C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
148/37.4
C21D 1/42 (2006.01) C21D 9/50 (2006.01)
Patent
CA 1184099
ABSTRACT A method for relieving stress in the micro- structure welds and the heat affected zone in the adjacent base metal in low alloy steel by induction heating in a second post-weld heat treatment. The heated area is monitored with a radiation pyrometer to ensure precise temperature control of the procedure. -18-
380448
Cravens Charles F.
Mcnealy Richard C.
Company Halliburton
Swabey Ogilvy Renault
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