Method for making steel tubes or pipes of increased acidic gas resistance
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United States of America Patent
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Jan 26, 1988
Grant Date -
N/A
app pub date -
Jun 10, 1986
filing date -
Jun 10, 1985
priority date (Note) -
Expired
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Abstract
For increasing the resistance of steel pipes or tubes against acidic medium, by a combination of a heat treatment and the use of an alloyed steel, a compressure stress is built up on the side of the tubes or pipes facing the acidic medium, of up to 30% of the yield limit.
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