Process for using agent for improving the hydrogen cracking resistance of low or intermediate-alloy steels, and pieces obtained
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United States of America Patent
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Jun 22, 1993
Grant Date -
N/A
app pub date -
Dec 16, 1991
filing date -
Feb 14, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The agent in question is cobalt added in contents of between 0.05% and 2% to steels containing from 0.05% to 0.6% of carbon and less than 10% of alloying elements taken from silicon, manganese, nickel, chromium and molybdenum, to produce optionally normalized blocks, plates, bars or pieces of large size, with improved hydrogen cracking resistance and with improved weld-ability and suitability for thermal cutting. The invention also relates to a process for employing the agent and to the pieces thus obtained.
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