STAINLESS STEEL FOR HOT FORGING AND HOT FORGING METHOD USING SAID STEEL
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United States of America Patent
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Jan 28, 2016
app pub date -
Mar 7, 2014
filing date -
Mar 13, 2013
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Abstract
A micro-alloyed austenitic stainless steel for hot forging is provided. The micro-alloyed austenitic stainless steel has the following composition in weight %: 16.0%≦Cr≦25.0%; 8.0%≦Ni≦25.0%; traces≦Mo≦6.0%; traces≦C≦0.08%; traces≦Si≦1.0%; traces≦Mn≦3.0%; traces≦P 21 0.045%; traces≦S≦0.035%; traces≦Cu≦2.0%; traces≦N≦0.2%; traces≦V≦0.3%; traces≦Ti≦0.3%; traces≦B≦0.005%; traces≦W≦3.0%; 0.015%≦Nb≦0.100%, the remainder being iron and inevitable manufacturing impurities.
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