DUPLEX STAINLESS STEEL
The present invention relates to a duplex stainless steel alloy with austeni te- ferrite structure, which in hot extruded and annealed finish shows, high strength, good corrosion resistance and good weldability, which is characterized in that the alloy contains in weight-% max 0.05 % C, 0-2.0 % S i,...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | The present invention relates to a duplex stainless steel alloy with austeni te- ferrite structure, which in hot extruded and annealed finish shows, high strength, good corrosion resistance and good weldability, which is characterized in that the alloy contains in weight-% max 0.05 % C, 0-2.0 % S i, 0-3.0 % Mn, 25-35 % Cr, 4-10 % Ni, 2-6 % Mo, 0.3-0.6 % N, as well as Fe and normally occurring impurities and additions, whereby the content of ferrite is 30-70 %. |
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