{"id":1602,"date":"2023-05-01T14:18:51","date_gmt":"2023-05-01T14:18:51","guid":{"rendered":"https:\/\/waldunsteel.com\/?post_type=portfolio&#038;p=1602"},"modified":"2023-11-13T02:50:40","modified_gmt":"2023-11-13T02:50:40","slug":"en24-817m40-acier","status":"publish","type":"portfolio","link":"https:\/\/waldunsteel.com\/fr\/products\/en24-817m40-steel\/","title":{"rendered":"Acier EN24 \/ 817M40"},"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-ko5ty0tr-56afd0d82a73d52a7e63b058d7ff28ad'  ><div class='avia_textblock' ><h1 style=\"text-align: center;\"><img decoding=\"async\" class=\"aligncenter wp-image-1603 size-full\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/05\/EN24-817M40-steel.jpg\" alt=\"Acier EN24 817M40\" width=\"300\" height=\"225\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/05\/EN24-817M40-steel.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/05\/EN24-817M40-steel-16x12.jpg 16w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><strong>EN24 \/ 817M40 Acier<\/strong><\/h1>\n<p><strong><b>EN24<\/b><\/strong><strong><b>\/817M40 <\/b><\/strong><strong><b>fabricants et fournisseurs d&#039;acier, fournis avec des tiges rondes, des barres carr\u00e9es\/plates, des rouleaux, des arbres, des blocs et des pi\u00e8ces de forge.<\/b><\/strong><\/p>\n<p><strong><b>EN24<\/b><\/strong><strong><b>\/817M40 <\/b><\/strong><strong><b>acier<\/b><\/strong>\u00a0est un acier alli\u00e9 nickel-molybd\u00e8ne commun selon la norme BS. C&#039;est un acier \u00e0 haute r\u00e9sistance et poss\u00e8de de bonnes propri\u00e9t\u00e9s m\u00e9caniques globales. <strong><b>EN24<\/b><\/strong><strong><b>\/817M40 <\/b><\/strong><strong><b>acier<\/b><\/strong><strong><b>\u00a0<\/b><\/strong>est g\u00e9n\u00e9ralement fourni dans l&#039;\u00e9tat finalement trait\u00e9 thermiquement qui est largement utilis\u00e9 dans la fabrication de l&#039;arbre \u00e0 cames et de la bielle des pi\u00e8ces de moteur, une mauvaise aptitude au traitement, appartient aux mat\u00e9riaux typiques difficiles \u00e0 usiner.<\/p>\n<h2>Composition chimique selon BS 970<\/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 width=\"116\"><strong><b>EN24<\/b><\/strong><\/td>\n<td>0,35-0,45<\/td>\n<td>0,10-0,35<\/td>\n<td>0,45-0,70<\/td>\n<td>\u2264 0,050<\/td>\n<td>\u2264 0,050<\/td>\n<td>0,90-1,40<\/td>\n<td>0,20-0,35<\/td>\n<td>1h30-13h80<\/td>\n<\/tr>\n<tr>\n<td width=\"116\"><strong><b>817M40<\/b><\/strong><\/td>\n<td>0,36-0,44<\/td>\n<td>0,10-0,40<\/td>\n<td>0,45-0,70<\/td>\n<td>\u2264 0,035<\/td>\n<td>\u2264 0,040<\/td>\n<td>1h00-13h40<\/td>\n<td>0,20-0,35<\/td>\n<td>1h30-13h70<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><em><b><i>\u00a0<\/i><\/b><\/em><\/strong><\/p>\n<h2>Traitement thermique<\/h2>\n<h3><strong><b>Normalisation pour\u00a0<\/b><\/strong><strong><b>EN24<\/b><\/strong><strong><b>\/817M40 <\/b><\/strong><strong><b>acier<\/b><\/strong><\/h3>\n<p>1. temp\u00e9rature de normalisation nominale: 840-900 \u00b0 C<br \/>\n2. maintenez la temp\u00e9rature pendant plusieurs heures<br \/>\n3. refroidissement en l&#039;air<\/p>\n<h3><strong><b>Recuit pour\u00a0<\/b><\/strong><strong><b>EN24<\/b><\/strong><strong><b>\/817M40 <\/b><\/strong><strong><b>acier<\/b><\/strong><\/h3>\n<p>1. temp\u00e9rature de recuit nominale: 800-860 \u00b0 C<br \/>\n2. refroidissez lentement dans la furance<br \/>\n3. duret\u00e9 Brinell maximale de 270<\/p>\n<h3><strong><b>Durcissement et revenu (QT) pour \u00a0<\/b><\/strong><strong><b>EN24<\/b><\/strong><strong><b>\/817M40 <\/b><\/strong><strong><b>acier<\/b><\/strong><\/h3>\n<p>1. temp\u00e9rature de durcissement nominale: 830-865 \u00b0 C<br \/>\n2. maintenez \u00e0 cette temp\u00e9rature puis trempez dans l&#039;huile<br \/>\n3.Tempering d\u00e8s que possible lorsque la temp\u00e9rature est basse \u00e0 la temp\u00e9rature ambiante<br \/>\n4. chauffer soigneusement l&#039;acier \u00e0 une temp\u00e9rature appropri\u00e9e s\u00e9lectionn\u00e9e en r\u00e9f\u00e9rence \u00e0 un tableau ou un tableau de revenu<br \/>\n5.La temp\u00e9rature de revenu habituelle est de 600 \u00b0 C, ce qui d\u00e9pend des besoins r\u00e9els<br \/>\n6..Gardez le mat\u00e9riau hors du four, puis refroidissez-le \u00e0 l&#039;air<\/p>\n<h2><strong><b>Propri\u00e9t\u00e9 m\u00e9canique(<\/b><\/strong><strong><em><b><i>\u00a0pour r\u00e9f\u00e9rence seulement)<\/i><\/b><\/em><\/strong><\/h2>\n<p>1. r\u00e9sistance \u00e0 la traction: 1020MPa<br \/>\n2. point de rendement: 945MPa<br \/>\n3. r\u00e9duction en pourcentage de la surface apr\u00e8s fracture: 55%<br \/>\n4. allongement apr\u00e8s fracture: 13%<br \/>\n5. test d&#039;impact (+ 20 \u00b0 C): transversal - 27 ~ 32J; Longitud - 45 ~ 50J<\/p>\n<h2><strong><em><b><i>Condition de livraison<\/i><\/b><\/em><\/strong><\/h2>\n<p>1. forme: rond \/ carr\u00e9 \/ plat \/ arbres \/ rouleaux \/ blocs<br \/>\n2. \u00e9tat de surface: surface noire \/ surface brillante<br \/>\n3. traitement thermique: normalis\u00e9 \/ recuit \/ QT<br \/>\n4. rectitude: Max 3 mm \/ m (une rectitude am\u00e9lior\u00e9e peut \u00eatre disponible sur demande)<br \/>\n5. longueur: 3000-5800mm adapt\u00e9 pour un conteneur de 20 \u2033. au-dessus de 6000 mm, convient pour un conteneur de 40 pouces<br \/>\n6. granulom\u00e9trie: 5-8 selon ASTM E112-96<br \/>\n7. duret\u00e9 typique: HRC28-32<br \/>\n8. norme ultrasonique: Sep1921 \/ ASTM A388 \/ EN 10228-3<br \/>\n9.Inclusion non m\u00e9tallique: 2 max selon ASTM E45 \/ K4\u226420 selon DIN 50602<br \/>\n10.Rapport de forgeage: minimum 4: 1<br \/>\n11.Marquage: Grade \/ Poids \/ Longueur \/ Taille \/ Num\u00e9ro de chaleur<\/p>\n<h2><strong><em><b><i>Certification de qualit\u00e9<\/i><\/b><\/em><\/strong><\/h2>\n<p>Un rapport d&#039;essai du mat\u00e9riau (certificat d&#039;inspection EN 10204 3.1) sera fourni, documentant les \u00e9l\u00e9ments suivants:<br \/>\n1. analyse chimique<br \/>\n2. propri\u00e9t\u00e9s m\u00e9caniques<br \/>\n3. duret\u00e9 de surface<br \/>\n4.Inclusion non m\u00e9tallique<br \/>\n5. processus de traitement thermique<br \/>\n6. taille des grains<br \/>\n7. ratio de forgeage<br \/>\n8.M\u00e9thode \/ crit\u00e8res d&#039;essai NDE<\/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-ko5tsm3i-9c0d227abc77f8722bc9fa9295552d63'  ><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":1603,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"tags":[],"portfolio_entries":[30],"class_list":["post-1602","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","portfolio_entries-alloysteel"],"_links":{"self":[{"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/portfolio\/1602","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=1602"}],"version-history":[{"count":0,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/portfolio\/1602\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/media\/1603"}],"wp:attachment":[{"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/media?parent=1602"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/tags?post=1602"},{"taxonomy":"portfolio_entries","embeddable":true,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/portfolio_entries?post=1602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}