Method for welding shaped bodies made of carburized heat-resistant steel
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United States of America Patent
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Oct 23, 2001
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N/A
app pub date -
Mar 21, 2000
filing date -
Jul 11, 1997
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Abstract
The invention relates to a method for welding shaped bodies of carburized heat-resistant austenitic steel. The inventive method is characterized in that carburized steel parts to be welded are preheated to temperatures of 700 to 900 degrees Celsius before welding, and the preheated carburized steel parts are welded with current intensities of 50 to 200 A.
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