{"id":73143,"date":"2024-10-14T10:07:50","date_gmt":"2024-10-14T08:07:50","guid":{"rendered":"https:\/\/unm.fr\/?p=73143"},"modified":"2024-10-15T15:44:08","modified_gmt":"2024-10-15T13:44:08","slug":"nf-en-10178-nf-en-10179-et-nf-en-10188-determination-delements-dans-les-aciers-et-les-fontes-trois-normes-europeennes-publiees-il-y-a-30-ans-sont-remises-a-neuf","status":"publish","type":"post","link":"https:\/\/unm.fr\/en\/standards-of-the-month\/nf-en-10178-nf-en-10179-et-nf-en-10188-determination-delements-dans-les-aciers-et-les-fontes-trois-normes-europeennes-publiees-il-y-a-30-ans-sont-remises-a-neuf\/","title":{"rendered":"NF EN 10178, NF EN 10179 et NF EN 10188 D\u00e9termination d&#8217;\u00e9l\u00e9ments dans les aciers et les fontes : trois normes europ\u00e9ennes publi\u00e9es il y a 30 ans sont remises \u00e0 neuf"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"73143\" class=\"elementor elementor-73143\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-389e88e e-flex e-con-boxed e-con e-parent\" data-id=\"389e88e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-24c3003 elementor-widget elementor-widget-text-editor\" data-id=\"24c3003\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La nouvelle \u00e9dition des normes<\/p><ul><li>NF EN 10178 <em>Aciers \u2014 D\u00e9termination du niobium \u2014 M\u00e9thode spectrophotom\u00e9trique<\/em>,<\/li><li>NF EN 10179 <em>Aciers\u00a0\u2014 D\u00e9termination de l&#8217;azote (\u00e0 l&#8217;\u00e9tat de traces) dans les aciers\u00a0\u2014 M\u00e9thode spectrophotom\u00e9trique<\/em><\/li><li>NF EN 10188 <em>Aciers et fontes \u2014 D\u00e9termination de la teneur en chrome \u2014 M\u00e9thode par spectrom\u00e9trie d&#8217;absorption atomique dans la flamme (SAAF)<\/em><\/li><\/ul><p><br \/>d\u00e9velopp\u00e9es au CEN\/TC 459\/SC 2, M<em>\u00e9thodes d&#8217;analyses chimiques pour le fer et l&#8217;acier<\/em>, a \u00e9t\u00e9 publi\u00e9e gr\u00e2ce \u00e0 l\u2019implication de Maria PEL\u00c9 (COMPALAB), Pr\u00e9sidente de la commission UNM AC 102.<\/p><p>Les documents r\u00e9vis\u00e9s pour r\u00e9pondre aux r\u00e9els besoins du march\u00e9 et correspondre \u00e0 l&#8217;\u00e9tat de l&#8217;art sp\u00e9cifient une m\u00e9thode de d\u00e9termination spectrophotom\u00e9trique ou SAAF du niobium, de l&#8217;azote et du chrome dans les aciers et\/ou les fontes.<\/p><p>Ces normes, bien que peu utilis\u00e9es dans les contr\u00f4les courants effectu\u00e9s par les laboratoires, d\u00e9crivent des m\u00e9thodes de r\u00e9f\u00e9rence qui peuvent \u00eatre n\u00e9cessaires pour la certification de mat\u00e9riaux de r\u00e9f\u00e9rence et en cas de litiges.<\/p><p>Cette refonte des trois normes qui datent de plus de 30\u00a0ans porte sur une mise \u00e0 jour des m\u00e9thodes de pr\u00e9l\u00e8vement, une r\u00e9\u00e9valuation des donn\u00e9es de fid\u00e9lit\u00e9 issue des essais dans diff\u00e9rents laboratoires\u00a0; et le calcul des moyennes et des donn\u00e9es (\u00e9carts-types) de r\u00e9p\u00e9tabilit\u00e9 et de reproductibilit\u00e9 conform\u00e9ment \u00e0 la NF ISO 5725, <em>Fid\u00e9lit\u00e9 des m\u00e9thodes d&#8217;essai\u00a0\u2014 D\u00e9termination de la r\u00e9p\u00e9tabilit\u00e9 et de la reproductibilit\u00e9 d&#8217;une m\u00e9thode d&#8217;essai normalis\u00e9e par essais interlaboratoires.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>D\u00e9termination d&#8217;\u00e9l\u00e9ments dans les aciers et les fontes : 3 normes europ\u00e9ennes publi\u00e9es il y a 30 ans sont remises \u00e0 neuf.<\/p>\n","protected":false},"author":8,"featured_media":73062,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"date-de-webinaire":0,"heure-webinaire":"","duree-webinaire":"","lien-bouton-cta":"","footnotes":""},"categories":[38],"tags":[],"normes-associees":[3496,3497,3498,3506],"thematique":[79],"class_list":["post-73143","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-focus-norme","normes-associees-en-10178","normes-associees-en-10179","normes-associees-en-10188","normes-associees-nf-iso-5725","thematique-acier"],"_links":{"self":[{"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts\/73143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/comments?post=73143"}],"version-history":[{"count":6,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts\/73143\/revisions"}],"predecessor-version":[{"id":73264,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts\/73143\/revisions\/73264"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/media\/73062"}],"wp:attachment":[{"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/media?parent=73143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/categories?post=73143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/tags?post=73143"},{"taxonomy":"normes-associees","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/normes-associees?post=73143"},{"taxonomy":"thematique","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/thematique?post=73143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}