HEAT-RESISTANT AUSTENITIC STEEL HAVING HIGH RESISTANCE TO STRESS RELAXATION CRACKING

HEAT-RESISTANT AUSTENITIC STEEL HAVING HIGH RESISTANCE TO STRESS RELAXATION CRACKING

An austenitic steel not susceptible to relaxation cracking, with composition comprising, in percentages by weight : 0,015%‰¤ C ‰¤0,040%, 0,5%‰¤ Mn ‰¤2%, 0,1%‰¤ Si ‰¤0,75%, Al ‰¤0,25%, 18%‰¤ Cr ‰¤25%, 12%‰¤ Ni ‰¤20%, 1,5%‰¤ Mo ‰¤3%, 0,001%‰¤ B ‰¤0,008%, 0,1%‰¤ V ‰¤0,5%, 0,15%‰¤ N ‰¤0,35%, the balance...

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Hauptverfasser: BONNEFOIS, Bernard, VAN WORTEL, Johannes, Cornelis, COUDREUSE, Lionel, FANICA, Amélie, ORIANA, Tassa
Format: Patent
Sprache:eng ; fre ; ger
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ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator BONNEFOIS, Bernard
VAN WORTEL, Johannes, Cornelis
COUDREUSE, Lionel
FANICA, Amélie
ORIANA, Tassa
description An austenitic steel not susceptible to relaxation cracking, with composition comprising, in percentages by weight : 0,015%‰¤ C ‰¤0,040%, 0,5%‰¤ Mn ‰¤2%, 0,1%‰¤ Si ‰¤0,75%, Al ‰¤0,25%, 18%‰¤ Cr ‰¤25%, 12%‰¤ Ni ‰¤20%, 1,5%‰¤ Mo ‰¤3%, 0,001%‰¤ B ‰¤0,008%, 0,1%‰¤ V ‰¤0,5%, 0,15%‰¤ N ‰¤0,35%, the balance being iron and unavoidable impurities, wherein: Ni(eq.) ‰¥ 1.11 Cr(eq.) - 8.24, wherein: Cr(eq)=Cr+Mo+1,5Si+5V+3AI+0,02, Ni(eq)=Ni+30C+x(N-0,045)+0,87 wherein: x=30 for N‰¤0,2, x=22 for 0,2
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VAN WORTEL, Johannes, Cornelis ; COUDREUSE, Lionel ; FANICA, Amélie ; ORIANA, Tassa</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2456901B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2017</creationdate><topic>ALLOYS</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>BONNEFOIS, Bernard</creatorcontrib><creatorcontrib>VAN WORTEL, Johannes, Cornelis</creatorcontrib><creatorcontrib>COUDREUSE, Lionel</creatorcontrib><creatorcontrib>FANICA, Amélie</creatorcontrib><creatorcontrib>ORIANA, Tassa</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BONNEFOIS, Bernard</au><au>VAN WORTEL, Johannes, Cornelis</au><au>COUDREUSE, Lionel</au><au>FANICA, Amélie</au><au>ORIANA, Tassa</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>HEAT-RESISTANT AUSTENITIC STEEL HAVING HIGH RESISTANCE TO STRESS RELAXATION CRACKING</title><date>2017-12-20</date><risdate>2017</risdate><abstract>An austenitic steel not susceptible to relaxation cracking, with composition comprising, in percentages by weight : 0,015%‰¤ C ‰¤0,040%, 0,5%‰¤ Mn ‰¤2%, 0,1%‰¤ Si ‰¤0,75%, Al ‰¤0,25%, 18%‰¤ Cr ‰¤25%, 12%‰¤ Ni ‰¤20%, 1,5%‰¤ Mo ‰¤3%, 0,001%‰¤ B ‰¤0,008%, 0,1%‰¤ V ‰¤0,5%, 0,15%‰¤ N ‰¤0,35%, the balance being iron and unavoidable impurities, wherein: Ni(eq.) ‰¥ 1.11 Cr(eq.) - 8.24, wherein: Cr(eq)=Cr+Mo+1,5Si+5V+3AI+0,02, Ni(eq)=Ni+30C+x(N-0,045)+0,87 wherein: x=30 for N‰¤0,2, x=22 for 0,2&lt;N‰¤0,25, x=20 for 0,25&lt;N‰¤0,35.</abstract><oa>free_for_read</oa></addata></record>
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subjects ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title HEAT-RESISTANT AUSTENITIC STEEL HAVING HIGH RESISTANCE TO STRESS RELAXATION CRACKING
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