Fluid or Drinking Water Ducting Systems
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United States of America Patent
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Issued Date -
May 22, 2008
app pub date -
Nov 16, 2007
filing date -
Nov 16, 2006
priority date (Note) -
Abandoned
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Abstract
The use of a steel alloy for the production of fittings, particularly screw- or push-fit fitting, valves or compression joints as well as corresponding fittings, particularly screw- or push-fit fittings, valves or compression joints for fluid or drinking water ducting systems is described. Low-cost production of fittings, valves and compression joints at the same time with improved corrosion resistance is achieved by the use of a steel alloy, which beside iron has the following content of alloying constituents in weight percent: C.ltoreq.0.05%, 11%.ltoreq.Cr.ltoreq.25%, Ni<5%, Mn.ltoreq.2%, N.ltoreq.0.25%.
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