{"id":93164,"date":"2026-04-14T13:57:01","date_gmt":"2026-04-14T11:57:01","guid":{"rendered":"https:\/\/unm.fr\/?p=93164"},"modified":"2026-04-14T13:57:03","modified_gmt":"2026-04-14T11:57:03","slug":"aciers-et-fonderie-mise-a-jour-des-normes-nf-a-06-371-et-nf-a-01-800","status":"publish","type":"post","link":"https:\/\/unm.fr\/en\/focus-norme\/aciers-et-fonderie-mise-a-jour-des-normes-nf-a-06-371-et-nf-a-01-800\/","title":{"rendered":"Aciers et fonderie : mise \u00e0 jour des normes NF A 06-371 et NF A 01-800"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"93164\" class=\"elementor elementor-93164\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7c6534a e-flex e-con-boxed e-con e-parent\" data-id=\"7c6534a\" 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-261e9cf elementor-widget elementor-widget-text-editor\" data-id=\"261e9cf\" 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>L\u2019\u00e9dition de 1984 de la norme <strong>NF A 06-371<\/strong>, relative \u00e0 l\u2019analyse chimique des aciers pour la d\u00e9termination du zirconium, a b\u00e9n\u00e9fici\u00e9 d\u2019une mise \u00e0 jour structurante.<\/p><p>\u00a0Ce document s\u2019appuie sur la <strong>spectrophotom\u00e9trie d\u2019absorption mol\u00e9culaire<\/strong>, une m\u00e9thode d\u2019analyse permettant de d\u00e9terminer le taux d\u2019absorbance d\u2019une substance chimique, c\u2019est-\u00e0-dire sa capacit\u00e9 d\u2019absorption de la lumi\u00e8re. Ce proc\u00e9d\u00e9 permet de doser avec une grande pr\u00e9cision la quantit\u00e9 de zirconium pr\u00e9sente dans les aciers non alli\u00e9s.<\/p><p>Les principales \u00e9volutions sont\u00a0:<\/p><ul><li>l\u2019actualisation de l\u2019Article\u00a04\u00a0: Principe, pour refl\u00e9ter les pratiques actuelles et clarifier certaines \u00e9tapes du proc\u00e9d\u00e9\u00a0;<\/li><li>la r\u00e9vision de l\u2019Article\u00a06, Appareillage, pour int\u00e9grer les \u00e9volutions technologiques du mat\u00e9riel utilis\u00e9\u00a0;<\/li><li>l\u2019ajout du Tableau\u00a01, Composition des solutions d\u2019\u00e9talonnage, destin\u00e9 \u00e0 faciliter l\u2019application de la m\u00e9thode\u00a0;<\/li><li>la r\u00e9vision de l\u2019Article\u00a09\u00a0: Rapport d\u2019essai, pour harmoniser la restitution des r\u00e9sultats et renforcer la coh\u00e9rence et la tra\u00e7abilit\u00e9.<\/li><\/ul><p>\u00a0<\/p><p>Quant \u00e0 la NF A 01-800, <em>Produits de fonderie\u00a0\u2014 Fontes et aciers moul\u00e9s\u00a0\u2014 Pr\u00e9l\u00e8vement et pr\u00e9paration des \u00e9chantillons massifs et divis\u00e9s destin\u00e9s \u00e0 la d\u00e9termination de la composition chimique<\/em>, sa r\u00e9vision r\u00e9pond \u00e0 un contexte particulier. L\u2019\u00e9dition 2018 de la norme avait \u00e9t\u00e9 annul\u00e9e. Cependant, \u00e0 la demande des utilisateurs, son contenu a \u00e9t\u00e9 repris, actualis\u00e9, puis republi\u00e9 sous la nouvelle \u00e9dition 2026.<\/p><p>Ce document d\u00e9finit l\u2019ensemble des op\u00e9rations n\u00e9cessaires pour obtenir des \u00e9chantillons massifs et divis\u00e9s repr\u00e9sentatifs de la composition chimique moyenne des pi\u00e8ces moul\u00e9es en fonte ou en acier.<\/p><p>Les principales modifications portent sur\u00a0:<\/p><ul><li>le titre, afin de refl\u00e9ter plus fid\u00e8lement le domaine d\u2019application et le contenu de la norme\u00a0;<\/li><li>le d\u00e9veloppement du 5.4\u00a0: Pr\u00e9paration finale des \u00e9chantillons massifs, pour en faciliter la compr\u00e9hension et garantir une meilleure reproductibilit\u00e9.<\/li><\/ul><p>\u00a0<\/p><p>Ces r\u00e9visions permettent d\u2019assurer la continuit\u00e9 des pratiques tout en r\u00e9pondant plus \u00e9troitement aux besoins op\u00e9rationnels des professionnels.<\/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>L\u2019\u00e9dition de 1984 de la norme NF A 06-371, relative \u00e0 l\u2019analyse chimique des aciers pour la d\u00e9termination du zirconium, a b\u00e9n\u00e9fici\u00e9 d\u2019une mise \u00e0 jour structurante.<\/p>\n","protected":false},"author":8,"featured_media":93079,"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":[3682,3681],"thematique":[79,82],"class_list":["post-93164","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-focus-norme","normes-associees-nf-a-01-800","normes-associees-nf-a-06-371","thematique-acier","thematique-fonderie"],"_links":{"self":[{"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts\/93164","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=93164"}],"version-history":[{"count":7,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts\/93164\/revisions"}],"predecessor-version":[{"id":93171,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts\/93164\/revisions\/93171"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/media\/93079"}],"wp:attachment":[{"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/media?parent=93164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/categories?post=93164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/tags?post=93164"},{"taxonomy":"normes-associees","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/normes-associees?post=93164"},{"taxonomy":"thematique","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/thematique?post=93164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}