Steel substrate for glassing
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United States of America Patent
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Apr 15, 1980
Issued Date -
N/A
app pub date -
Sep 8, 1978
filing date -
Jul 2, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A low carbon glassing steel structure having a very fine grain structure used in glass coating applications without deterioration in strength and impact resistance after being subjected to multiple high temperature thermal cycles, the steel structure having a minimum Charpy V-Notch energy of 50 ft-lbs at -50.degree. F. in both the longitudinal and transverse directions and a minimum tensile strength of 60 KSI, an ASTM ferrite grain size of eight or finer, and the following composition:
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