{"id":1742,"date":"2023-07-13T14:24:22","date_gmt":"2023-07-13T14:24:22","guid":{"rendered":"https:\/\/waldunsteel.com\/?post_type=portfolio&#038;p=1742"},"modified":"2023-11-13T02:54:05","modified_gmt":"2023-11-13T02:54:05","slug":"acier-aisi-sae-9840","status":"publish","type":"portfolio","link":"https:\/\/waldunsteel.com\/fr\/products\/aisi-sae-9840-steel\/","title":{"rendered":"Acier AISI \/ SAE 9840"},"content":{"rendered":"<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_two_third-53b0b300fb3685750664fb085c5ad19d\">\n.flex_column.av-av_two_third-53b0b300fb3685750664fb085c5ad19d{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_two_third-53b0b300fb3685750664fb085c5ad19d av_two_third  avia-builder-el-0  el_before_av_one_third  avia-builder-el-first  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-kr25af7c-ad8f3e0a50ef7b40d96981be087725ab'  ><div class='avia_textblock' ><h1 style=\"text-align: center;\"><strong><b>Acier AISI \/ SAE 9840<\/b><\/strong><\/h1>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-1743 aligncenter\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/07\/AISI-9840.jpg\" alt=\"AISI-9840\" width=\"630\" height=\"320\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/07\/AISI-9840.jpg 630w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/07\/AISI-9840-300x152.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/07\/AISI-9840-16x8.jpg 16w\" sizes=\"(max-width: 630px) 100vw, 630px\" \/><\/p>\n<p><strong><b>Acier AISI \/ SAE 9840\u00a0<\/b><\/strong>est un acier nickel-chrome-molybd\u00e8ne qui contient au moins 0,85%Ni, 0,7%Cr, 0,2%Mo comme \u00e9l\u00e9ments d&#039;alliage de renforcement. devient usinable et ajust\u00e9 pour la coupe m\u00e9canique. Le pr\u00e9chauffage et le soulagement des contraintes post-soudage sont n\u00e9cessaires pour le soudage de cet alliage, mais le soudage \u00e0 l&#039;\u00e9tat tremp\u00e9 et revenu n&#039;est pas recommand\u00e9.<\/p>\n<h2><strong><b>Forme et taille d&#039;approvisionnement en acier AISI \/ SAE 9840<\/b><\/strong><\/h2>\n<table>\n<tbody>\n<tr>\n<td>Forme de fourniture<\/td>\n<td>Taille (mm)<\/td>\n<td>Longueur (mm)<\/td>\n<\/tr>\n<tr>\n<td>Barre ronde<\/td>\n<td>\u03a66-\u03a61 000<\/td>\n<td>3 000 \u00e0 10 000<\/td>\n<\/tr>\n<tr>\n<td>Barre carr\u00e9e<\/td>\n<td>100 \u00d7 100 \u00e0 600 \u00d7 600<\/td>\n<td>3 000 \u00e0 6 000<\/td>\n<\/tr>\n<tr>\n<td>Assiette \/ Feuille<\/td>\n<td>\u00c9paisseur: 20-400<br \/>\nLargeur: 80-1 000<\/td>\n<td>2 000 \u00e0 6 000<\/td>\n<\/tr>\n<tr>\n<td>Bar plat \/ Blcoks<\/td>\n<td>\u00c9paisseur: 120-800<br \/>\nLargeur: 120-1 500<\/td>\n<td>2 000 \u00e0 6 000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong><b>Acier AISI \/ SAE 9840<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Finition de surface et tol\u00e9rance<\/b><\/strong><\/h2>\n<table>\n<tbody>\n<tr>\n<td>Finition de surface<\/td>\n<td>Forg\u00e9 noir<\/td>\n<td>Noir roul\u00e9<\/td>\n<td>Tourn\u00e9<\/td>\n<td>Aff\u00fbtage<\/td>\n<td>Brillant<\/td>\n<td>Pel\u00e9<\/td>\n<td>\u00c9tir\u00e9 \u00e0 froid<\/td>\n<\/tr>\n<tr>\n<td>Tol\u00e9rance<\/td>\n<td>(0 \uff0c + 5 mm)<\/td>\n<td>(0 \uff0c + 1 mm)<\/td>\n<td>(0 \uff0c + 3 mm)<\/td>\n<td>Meilleur h9<\/td>\n<td>Meilleur h11<\/td>\n<td>Meilleur H11<\/td>\n<td>Meilleur H11<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong><b>Acier AISI \/ SAE 9840<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Composition chimique selon ASTM A519<\/b><\/strong><\/h2>\n<table>\n<tbody>\n<tr>\n<td width=\"116\"><strong><b>NOTER<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>C<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>Si<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>Mn<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>P<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>S<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>Cr<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>Mo<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>Ni<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong><b>9840<\/b><\/strong><\/td>\n<td>0,38-0,42<\/td>\n<td>0,15-0,35<\/td>\n<td>0,70-0,90<\/td>\n<td>\u2264 0,040<\/td>\n<td>\u2264 0,040<\/td>\n<td>0,70-0,90<\/td>\n<td>0,20-0,30<\/td>\n<td>0,85-1,15<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong><b>Acier AISI \/ SAE 9840<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Propri\u00e9t\u00e9 m\u00e9canique<\/b><\/strong><\/h2>\n<table>\n<tbody>\n<tr>\n<td>Diam\u00e8tre d mm<\/td>\n<td>\u2264 16<\/td>\n<td>16-40<\/td>\n<td>40-100<\/td>\n<td>100-160<\/td>\n<td>160-250<\/td>\n<\/tr>\n<tr>\n<td>Limite d&#039;\u00e9lasticit\u00e9 Mpa<\/td>\n<td>\u2265900<\/td>\n<td>\u2265800<\/td>\n<td>\u2265700<\/td>\n<td>\u2265600<\/td>\n<td>\u2265550<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance \u00e0 la traction Mpa<\/td>\n<td>11h00-13h00<\/td>\n<td>1000-1200<\/td>\n<td>9h00-11h00<\/td>\n<td>800-950<\/td>\n<td>750-900<\/td>\n<\/tr>\n<tr>\n<td>Allongement, %<\/td>\n<td>\u226510<\/td>\n<td>\u226511<\/td>\n<td>\u226512<\/td>\n<td>\u226513<\/td>\n<td>\u226514<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9duction de surface, %<\/td>\n<td>\u226545<\/td>\n<td>\u226550<\/td>\n<td>\u226555<\/td>\n<td>\u226560<\/td>\n<td>\u226560<\/td>\n<\/tr>\n<tr>\n<td>impact, J<\/td>\n<td>\u226535<\/td>\n<td>\u226540<\/td>\n<td>\u226545<\/td>\n<td>\u226545<\/td>\n<td>\u226545<\/td>\n<\/tr>\n<tr>\n<td>Duret\u00e9, HB<\/td>\n<td>331-380<\/td>\n<td>298-359<\/td>\n<td>271-331<\/td>\n<td>240-286<\/td>\n<td>225-271<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong><b>Acier AISI \/ SAE 9840<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Forgeage<\/b><\/strong><\/h2>\n<p>Forger de l&#039;acier AISI 9840 entre 1100 \u2103 -11500 \u2103 et r\u00e9chauffer l&#039;acier une fois que la temp\u00e9rature est inf\u00e9rieure \u00e0 950 \u2103. AISI 9840 a de bonnes caract\u00e9ristiques de forgeage, mais ce mat\u00e9riau est facile \u00e0 craquer lors d&#039;un mauvais refroidissement, un refroidissement dans le sable ou dans le four apr\u00e8s forgeage est recommand\u00e9 .<\/p>\n<h2><strong><b>Acier AISI \/ SAE 9840<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Traitement thermique<\/b><\/strong><\/h2>\n<ul>\n<li><b><\/b><strong><b>Normaliser<\/b><\/strong>: 850 \u2103 -880 \u2103, Cool in air<\/li>\n<li><b><\/b><strong><b>Recuit doux<\/b><\/strong>: 650 \u2103 -700 \u2103, refroidir dans le four<\/li>\n<li><b><\/b><strong><b>Recuit complet<\/b><\/strong>: 830 \u2103 -850 \u2103, refroidissement dans le four, 235HB max<\/li>\n<li><b><\/b><strong><b>Durcissement<\/b><\/strong>: 830 \u2103 -865 \u2103, trempe \u00e0 l&#039;eau ou \u00e0 l&#039;huile<\/li>\n<li><b><\/b><strong><b>Trempe<\/b><\/strong>: 540 \u00b0 C - 680 \u00b0 C, frais en air calme<\/li>\n<\/ul>\n<h2><strong><b>Acier AISI \/ SAE 9840<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Usinabilit\u00e9<\/b><\/strong><\/h2>\n<p>Ce mat\u00e9riau peut \u00eatre facilement usin\u00e9, de pr\u00e9f\u00e9rence \u00e0 partir d&#039;une structure perlitique grossi\u00e8re.<\/p>\n<h2><strong><b>Acier AISI \/ SAE 9840<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Application<\/b><\/strong><\/h2>\n<p>Cet alliage convient \u00e0 la production de composants hautement sollicit\u00e9s de grande section pour les applications a\u00e9ronautiques, automobiles et d&#039;ing\u00e9nierie g\u00e9n\u00e9rale, tels que les arbres d&#039;h\u00e9lice forg\u00e9s, les bielles, les arbres de transmission, les vilebrequins et les composants de trains d&#039;atterrissage.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_third-7984035d50f0055e2d8c0f71fa3ebd04\">\n.flex_column.av-av_one_third-7984035d50f0055e2d8c0f71fa3ebd04{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_third-7984035d50f0055e2d8c0f71fa3ebd04 av_one_third  avia-builder-el-2  el_after_av_two_third  avia-builder-el-last  flex_column_div av-zero-column-padding'     ><p><section  class='av_textblock_section av-kr257urk-abdaae6380773ddd719fe9b82fd05280'  ><div class='avia_textblock' >\n<\/div><\/section><br \/>\n<div  class='avia-builder-widget-area clearfix  avia-builder-el-4  el_after_av_textblock  avia-builder-el-last'><section id=\"portfoliobox-2\" class=\"widget clearfix avia-widget-container newsbox\"><h3 class=\"widgettitle\">derniers produits<\/h3><ul class=\"news-wrap image_size_widget\"><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb' title=\"Lire : Acier 60CrMoV18-5\" href=\"https:\/\/waldunsteel.com\/fr\/products\/60crmov18-5-steel\/\"><img decoding=\"async\" fetchpriority=\"high\" width=\"36\" height=\"36\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-36x36.jpg\" class=\"wp-image-2212 avia-img-lazy-loading-not-2212 attachment-widget size-widget wp-post-image\" alt=\"1.2358\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-36x36.jpg 36w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-300x300.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-80x80.jpg 80w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-12x12.jpg 12w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-180x180.jpg 180w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-705x705.jpg 705w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358.jpg 750w\" sizes=\"(max-width: 36px) 100vw, 36px\" \/><\/a><div class=\"news-headline\"><a class='news-title' title=\"Lire : Acier 60CrMoV18-5\" href=\"https:\/\/waldunsteel.com\/fr\/products\/60crmov18-5-steel\/\">Acier 60CrMoV18-5<\/a><span class=\"news-time\">11 janvier 2024 - 3h02<\/span><\/div><\/div><\/li><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb' title=\"Lire : 1.2358 Acier\" href=\"https:\/\/waldunsteel.com\/fr\/products\/1-2358-steel\/\"><img decoding=\"async\" fetchpriority=\"high\" width=\"36\" height=\"36\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-36x36.jpg\" class=\"wp-image-2212 avia-img-lazy-loading-not-2212 attachment-widget size-widget wp-post-image\" alt=\"1.2358\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-36x36.jpg 36w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-300x300.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-80x80.jpg 80w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-12x12.jpg 12w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-180x180.jpg 180w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-705x705.jpg 705w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358.jpg 750w\" sizes=\"(max-width: 36px) 100vw, 36px\" \/><\/a><div class=\"news-headline\"><a class='news-title' title=\"Lire : 1.2358 Acier\" href=\"https:\/\/waldunsteel.com\/fr\/products\/1-2358-steel\/\">1.2358 Acier<\/a><span class=\"news-time\">11 janvier 2024 - 02h55<\/span><\/div><\/div><\/li><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb' title=\"Lire : Acier lamin\u00e9 \u00e0 froid 1045\" href=\"https:\/\/waldunsteel.com\/fr\/products\/1045-cold-rolled-steel\/\"><img decoding=\"async\" fetchpriority=\"high\" width=\"36\" height=\"36\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/04\/SAE-1045-Carbon-Steel-Round-Bars-36x36.jpg\" class=\"wp-image-1365 avia-img-lazy-loading-not-1365 attachment-widget size-widget wp-post-image\" alt=\"barres rondes en acier au carbone sae 1045\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/04\/SAE-1045-Carbon-Steel-Round-Bars-36x36.jpg 36w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/04\/SAE-1045-Carbon-Steel-Round-Bars-80x80.jpg 80w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/04\/SAE-1045-Carbon-Steel-Round-Bars-180x180.jpg 180w\" sizes=\"(max-width: 36px) 100vw, 36px\" \/><\/a><div class=\"news-headline\"><a class='news-title' title=\"Lire : Acier lamin\u00e9 \u00e0 froid 1045\" href=\"https:\/\/waldunsteel.com\/fr\/products\/1045-cold-rolled-steel\/\">1045 Acier lamin\u00e9 \u00e0 froid<\/a><span class=\"news-time\">1 novembre 2023 - 11h32<\/span><\/div><\/div><\/li><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb' title=\"Lire : Acier 46Cr2 \/ 1.7006\" href=\"https:\/\/waldunsteel.com\/fr\/products\/46cr2-1-7006-steel\/\"><img decoding=\"async\" fetchpriority=\"high\" width=\"36\" height=\"36\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/08\/Steel-C60r-1-1223-Bar-or-Rod-for-Project-36x36.jpg\" class=\"wp-image-1810 avia-img-lazy-loading-not-1810 attachment-widget size-widget wp-post-image\" alt=\"Steel-C60r-1-1223-Bar-or-Rod-for-Project\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/08\/Steel-C60r-1-1223-Bar-or-Rod-for-Project-36x36.jpg 36w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/08\/Steel-C60r-1-1223-Bar-or-Rod-for-Project-80x80.jpg 80w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/08\/Steel-C60r-1-1223-Bar-or-Rod-for-Project-180x180.jpg 180w\" sizes=\"(max-width: 36px) 100vw, 36px\" \/><\/a><div class=\"news-headline\"><a class='news-title' title=\"Lire : Acier 46Cr2 \/ 1.7006\" href=\"https:\/\/waldunsteel.com\/fr\/products\/46cr2-1-7006-steel\/\">46Cr2 \/ 1.7006 Acier<\/a><span class=\"news-time\">24 octobre 2023 - 9h30<\/span><\/div><\/div><\/li><\/ul><span class=\"seperator extralight-border\"><\/span><\/section><section id=\"text-3\" class=\"widget clearfix widget_text\"><h3 class=\"widgettitle\">CONTACTER WALDUN STEEL<\/h3>\t\t\t<div class=\"textwidget\"><p><strong>Mobile: <\/strong><\/p>\n<p>+8618652469606<\/p>\n<p><strong>E-mail: <\/strong><\/p>\n<p>iguhongtao@gmail.com<\/p>\n<\/div>\n\t\t<span class=\"seperator extralight-border\"><\/span><\/section><section id=\"media_image-2\" class=\"widget clearfix widget_media_image\"><img decoding=\"async\" width=\"300\" height=\"158\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2022\/05\/Waldun-Steel-ISO-9001-Logo-300x158-1.png\" class=\"image wp-image-1937  attachment-full size-full\" alt=\"acier waldun logo iso 9001 300x158\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2022\/05\/Waldun-Steel-ISO-9001-Logo-300x158-1.png 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2022\/05\/Waldun-Steel-ISO-9001-Logo-300x158-1-18x9.png 18w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><span class=\"seperator extralight-border\"><\/span><\/section><\/div><\/p><\/div><\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":1743,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"tags":[],"portfolio_entries":[30],"class_list":["post-1742","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","portfolio_entries-alloysteel"],"_links":{"self":[{"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/portfolio\/1742","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/portfolio"}],"about":[{"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/types\/portfolio"}],"author":[{"embeddable":true,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/comments?post=1742"}],"version-history":[{"count":0,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/portfolio\/1742\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/media\/1743"}],"wp:attachment":[{"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/media?parent=1742"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/tags?post=1742"},{"taxonomy":"portfolio_entries","embeddable":true,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/portfolio_entries?post=1742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}