DUPLEX STAINLESS STEEL

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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Hauptverfasser: CHAI, GOUCAI, BERGSTROM, ORJAN, KLOCKARS, MATTIAS, KANGAS, PASI
Format: Patent
Sprache:eng ; fre
Schlagworte:
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator CHAI, GOUCAI
BERGSTROM, ORJAN
KLOCKARS, MATTIAS
KANGAS, PASI
description 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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subjects ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title DUPLEX STAINLESS STEEL
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