Steel material with high thermal-resistance for producing engine piston upper parts
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United States of America Patent
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-
Mar 16, 1999
Grant Date -
N/A
app pub date -
Feb 4, 1998
filing date -
Mar 6, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A steel material is useful for producing the upper part of engine pistons with high wear, corrosion and heat resistance. This steel has the following composition (in % by weight): 1.20 to 150 Mn; 0.50 to 0.80 Si; 0.35 to 0.40 C; 0.10 to 0.50 Mo; 0.08 to 0.13 V; 0.010 to 0.065 S; 0.015 to 0.050 Al; .ltoreq.0.035 P, the remainder being iron and production impurities.
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