{"id":723,"date":"2017-12-15T13:26:42","date_gmt":"2017-12-15T13:26:42","guid":{"rendered":"http:\/\/avanexa.in\/calmet\/?post_type=articles&#038;p=723"},"modified":"2025-04-29T06:39:42","modified_gmt":"2025-04-29T06:39:42","slug":"introduction-to-grey-iron-castings","status":"publish","type":"page","link":"https:\/\/www.calmet.com\/fr\/introduction-to-grey-iron-castings\/","title":{"rendered":"Introduction aux pi\u00e8ces moul\u00e9es en fonte grise"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h1 class=\"entry-title\"><span style=\"font-size: 24px;\">Introduction aux pi\u00e8ces moul\u00e9es en fonte grise<\/span><\/h1>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Les pi\u00e8ces moul\u00e9es en fonte sont g\u00e9n\u00e9ralement fabriqu\u00e9es selon diverses m\u00e9thodes de fusion, et diff\u00e9rents types de pi\u00e8ces sont produits avec des propri\u00e9t\u00e9s vari\u00e9es. Parmi les types courants de pi\u00e8ces moul\u00e9es en fonte, on trouve la fonte grise, la fonte ductile et la fonte mall\u00e9able. Les pi\u00e8ces moul\u00e9es en fonte grise sont les plus utilis\u00e9es en raison de leurs avantages intrins\u00e8ques. Elles sont g\u00e9n\u00e9ralement fabriqu\u00e9es par fusion de fonte brute et sont un alliage de fer et de carbone. Les pi\u00e8ces moul\u00e9es en fonte grise contiennent \u00e9galement des traces de phosphore, de soufre, de silicium et de mangan\u00e8se. Les principaux atouts des pi\u00e8ces moul\u00e9es en fonte grise sont leur rapport co\u00fbt-efficacit\u00e9 et leur capacit\u00e9 \u00e0 \u00eatre transform\u00e9es en structures complexes. Examinons certaines de leurs caract\u00e9ristiques, propri\u00e9t\u00e9s et applications principales.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<ul class=\"classy\">\n<li><i class=\"fa fa-circle\" aria-hidden=\"true\"><\/i> Les pi\u00e8ces moul\u00e9es en fonte grise sont disponibles avec diff\u00e9rentes r\u00e9sistances \u00e0 la traction, allant jusqu&#039;\u00e0 5 tonnes par pouce carr\u00e9 ou m\u00eame 19 tonnes par pouce carr\u00e9. La r\u00e9sistance \u00e0 la traction moyenne est d&#039;environ 7 tonnes par pouce carr\u00e9 et il est possible de l&#039;augmenter facilement par l&#039;ajout de vanadium, si n\u00e9cessaire pour des applications sp\u00e9cifiques.<\/li>\n<li><i class=\"fa fa-circle\" aria-hidden=\"true\"><\/i> Les pi\u00e8ces moul\u00e9es en fonte grise peuvent supporter d&#039;importantes forces de compression et pr\u00e9sentent donc une r\u00e9sistance \u00e0 la compression \u00e9lev\u00e9e, environ trois fois sup\u00e9rieure \u00e0 leur r\u00e9sistance \u00e0 la traction. C&#039;est la principale raison pour laquelle elles sont privil\u00e9gi\u00e9es pour les poteaux et colonnes de grande taille dans les b\u00e2timents imposants.<\/li>\n<li><i class=\"fa fa-circle\" aria-hidden=\"true\"><\/i> Les pi\u00e8ces moul\u00e9es en fonte grise pr\u00e9sentent une capacit\u00e9 d&#039;amortissement \u00e9lev\u00e9e et une excellente usinabilit\u00e9, ce qui les rend parfaitement adapt\u00e9es \u00e0 tous types de b\u00e2tis de machines, de blocs-cylindres et de pi\u00e8ces de freinage. Leur capacit\u00e9 d&#039;amortissement \u00e9tant environ 20 \u00e0 25 fois sup\u00e9rieure \u00e0 celle de l&#039;acier et d&#039;autres types de fonte, elles r\u00e9duisent les vibrations, les impr\u00e9cisions et l&#039;usure excessive des machines et des roulements.<\/li>\n<li><i class=\"fa fa-circle\" aria-hidden=\"true\"><\/i> Une autre caract\u00e9ristique importante des pi\u00e8ces moul\u00e9es en fonte grise est leur grande r\u00e9sistance \u00e0 l&#039;oxydation, ce qui emp\u00eache la formation de rouille. Les pi\u00e8ces moul\u00e9es en fonte grise constituent la solution id\u00e9ale pour lutter contre la corrosion.<\/li>\n<li><i class=\"fa fa-circle\" aria-hidden=\"true\"><\/i> Les pi\u00e8ces moul\u00e9es en fonte grise trouvent de nombreuses applications et sont g\u00e9n\u00e9ralement class\u00e9es selon leur classe. La fonte grise de classe 300 est principalement utilis\u00e9e pour la fabrication de bancs, d&#039;engrenages, de blocs-cylindres, de machines-outils robustes, de composants hydrauliques haute pression, de culasses, de bagues, de segments de piston, etc. Les classes 200 et 250 conviennent surtout \u00e0 la fabrication d&#039;embases et de chemises de cylindre, de roues de frein, de r\u00e9ducteurs, de plaques d&#039;accouplement, de volants d&#039;inertie et de soupapes de pression. Les classes 100 et 150 sont g\u00e9n\u00e9ralement utilis\u00e9es pour la fabrication de marteaux, de tuyaux, de poulies, de carters de protection, de volants, de roulements et de pompes. Les pi\u00e8ces moul\u00e9es en fonte grise constituent le choix optimal pour la construction de produits extr\u00eamement r\u00e9sistants et durables.<\/li>\n<\/ul>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>La pr\u00e9sence de graphite en paillettes dans les pi\u00e8ces moul\u00e9es en fonte grise leur conf\u00e8re une excellente usinabilit\u00e9 et une r\u00e9sistance \u00e0 l&#039;usure sup\u00e9rieure. L&#039;ensemble de ces caract\u00e9ristiques et leurs nombreuses applications font des pi\u00e8ces moul\u00e9es en fonte grise le type de fonte le plus r\u00e9pandu. Calmet est sp\u00e9cialis\u00e9e dans la fabrication de pi\u00e8ces moul\u00e9es en fonte grise de qualit\u00e9 sup\u00e9rieure. <a href=\"https:\/\/www.calmet.com\/fr\/iron-casting\/\">Fonderies de pointe en Inde et en Chine<\/a>.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Les pi\u00e8ces moul\u00e9es en fonte sont g\u00e9n\u00e9ralement fabriqu\u00e9es selon diverses m\u00e9thodes de fusion, et diff\u00e9rents types de pi\u00e8ces sont produits avec des propri\u00e9t\u00e9s vari\u00e9es. Parmi les types courants de pi\u00e8ces moul\u00e9es en fonte, on trouve la fonte grise, la fonte ductile et la fonte mall\u00e9able. Les pi\u00e8ces moul\u00e9es en fonte grise sont les plus utilis\u00e9es en raison de leurs avantages intrins\u00e8ques. Elles sont g\u00e9n\u00e9ralement fabriqu\u00e9es par fusion de fonte brute et sont un alliage de fer et de carbone. Les pi\u00e8ces moul\u00e9es en fonte grise contiennent \u00e9galement des traces de phosphore, de soufre, de silicium et de mangan\u00e8se. Les principaux atouts des pi\u00e8ces moul\u00e9es en fonte grise sont leur rapport co\u00fbt-efficacit\u00e9 et leur capacit\u00e9 \u00e0 \u00eatre transform\u00e9es en structures complexes. Examinons certaines de leurs caract\u00e9ristiques, propri\u00e9t\u00e9s et applications principales.<\/p>","protected":false},"author":1,"featured_media":49,"parent":0,"menu_order":17,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-723","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Introduction To Grey Iron Castings | Grey iron castings foundries USA<\/title>\n<meta name=\"description\" content=\"Calmet specializes in manufacturing superior quality gray iron castings at its state of the art iron castings foundries in USA, Canada, India and China.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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