{"id":13324,"date":"2023-10-15T08:50:13","date_gmt":"2023-10-15T08:50:13","guid":{"rendered":"https:\/\/hdcmfg.com\/?page_id=13324"},"modified":"2026-03-19T03:23:20","modified_gmt":"2026-03-19T03:23:20","slug":"acier-au-carbone-12l14","status":"publish","type":"page","link":"https:\/\/hdcmfg.com\/fr\/12l14-carbon-steel\/","title":{"rendered":"Acier au carbone 12L14\u00a0: composition chimique, propri\u00e9t\u00e9s, m\u00e9thodes de traitement et domaines d'application"},"content":{"rendered":"

Pourquoi choisir HDC pour des produits personnalis\u00e9s en acier au carbone 12L14<\/h2>\n

HDC poss\u00e8de plus d\u2019une d\u00e9cennie d\u2019exp\u00e9rience dans le domaine des composants m\u00e9talliques sur mesure. Nous poss\u00e9dons des machines-outils de pr\u00e9cision \u00e0 4 et 5 axes, des centres d'usinage CNC automatis\u00e9s et une \u00e9quipe de conception et de production professionnelle. Nous pouvons vous fournir divers processus d'usinage, notamment le fraisage CNC, le tournage CNC, la d\u00e9coupe laser, le moulage de m\u00e9taux, etc., pour fabriquer \u00e0 la perfection vos composants en acier au carbone 12L14, adapt\u00e9s \u00e0 vos besoins sp\u00e9cifiques.<\/p>\n

Dans le domaine de l'acier au carbone 12L14, notre expertise garantit la production de composants pr\u00e9cis et de qualit\u00e9 sup\u00e9rieure. Reconnu pour son extraordinaire maniabilit\u00e9, le 12L14 constitue la s\u00e9lection optimale pour les conceptions complexes. L\u2019\u00e9quipe chevronn\u00e9e de HDC optimise habilement les param\u00e8tres d\u2019usinage, garantissant une pr\u00e9cision dimensionnelle sans faille et une finition de surface impeccable. Que votre projet implique un filetage complexe, un contour pr\u00e9cis ou un fraisage m\u00e9ticuleux, nous nous engageons \u00e0 l'efficacit\u00e9 et \u00e0 un standard d'excellence.<\/p>\n

Au-del\u00e0 du domaine de l'usinage, HDC se distingue par la compr\u00e9hension des attributs distinctifs de l'acier au carbone 12L14. Ces connaissances sp\u00e9cialis\u00e9es orientent notre processus de conception coop\u00e9rative, transmettant des informations inestimables et garantissant que nos composants non seulement respectent, mais d\u00e9passent les r\u00e9f\u00e9rences de l'industrie. Avec HDC, attendez-vous \u00e0 des composants en acier au carbone 12L14 m\u00e9ticuleusement fa\u00e7onn\u00e9s avec pr\u00e9cision, durabilit\u00e9 et une attention particuli\u00e8re port\u00e9e aux d\u00e9tails, s'adaptant et d\u00e9passant les stipulations de votre projet.<\/p>\n

Aper\u00e7u<\/h2>\n

12L14 <\/b>est un alliage d'acier de d\u00e9colletage connu pour son excellente usinabilit\u00e9. L'acier au carbone 12L14 est un choix populaire pour les applications qui exigent une usinabilit\u00e9 et une pr\u00e9cision exceptionnelles. Sa composition, avec ajout de soufre et de phosphore, facilite un usinage efficace, ce qui en fait un mat\u00e9riau pr\u00e9cieux pour la production de petits composants complexes dans diverses industries.<\/p>\n

\"Acier<\/p>\n

Qu\u2019est-ce que l\u2019acier au carbone ?<\/h2>\n

Acier Carbone<\/strong> is a steel with iron and carbon as the most viable, while other elements are at lower quantity.\u00a0Carbon steel with mean carbon content, i.e from 0.05% to 2.0%, is produced according to the grade and the application.\u00a0Carbon steel is regarded for its strength, hardness, and long-term endurance, which makes it to be widely used in different industries like construction, manufacturing, automobile, and infrastructure.\u00a0The steel is divided into four types based on its carbon content and characteristics, such as low carbon steel (mild steel), medium carbon steel, and high carbon steel.\u00a0Besides the fact that carbon steel can be further alloyed (mixed) with elements such as manganese, silicon, and sulfur to improve certain attributes like strength, ductility and machinability.\u00a0Since it is one of the strongest and most affordable types of steel used in the manufacture of parts, components, machinery parts, pipes, and auto frames and other applications.<\/p>\n

Quelles sont les caract\u00e9ristiques de l\u2019acier au carbone 12L14 ?<\/h2>\n

\"Acier<\/p>\n

12L14 known as a high-sulfur and lead containing steel is famous for its high machinability.\u00a0This addition of manganese sulfides to the standard Fe grade composition will give chip breaker characteristics during the metal cutting process and reduce the wear of the cutter drastically to produce excellent surface finish in the machined parts.\u00a0This steel is not as strong as some other carbon steels but still provides excellent strength as well as ductility for use in different stainless steel applications.\u00a0With the compliance to the conventional procedures it can be welded, but some precautions are required, as the element is sulfur and lead containing.\u00a0This steel is cost-effective and is known for its wide use in automotive components, bushings, fittings, and fasteners. Therefore its demands are high due to the precise machining and high production capabilities.<\/p>\n

Quelle est la base de d\u00e9nomination de l\u2019acier au carbone 12L14\u00a0?<\/h2>\n

The naming basis for 12L14 carbon steel is derived from its composition and conformation to the standardization in AISI (American iron and steel institute) system.\u00a0The \u201c12\u201d in 12L14 is for the average carbon content, approximately 0.12%.\u00a0The \u2032L\u2032 indicates that the other element which is lead is there in the alloy.\u00a0To sum up, the \u201c14\u201d figures shows the sulphur approximately 0.14%.\u00a0A numerical designation that is alpha-numeric in nature offers a standardized method of identifying and categorizing carbon steels based on their composition and properties. This enables communication and understanding to be improved amongst the industry players.<\/p>\n

\"Acier<\/p>\n

Composition chimique de l'acier au carbone 12L14<\/h2>\n\n\n\n\n\n\n\n\n\n
\u00c9l\u00e9ment<\/b><\/strong><\/td>\nContenu (%)<\/b><\/strong><\/td>\n<\/tr>\n
Fer, Fe<\/td>\n97,91 \u2013 98,7<\/td>\n<\/tr>\n
Mangan\u00e8se, Mn<\/td>\n0,85 \u2013 1,15<\/td>\n<\/tr>\n
Soufre, S<\/td>\n0,260 \u2013 0,35<\/td>\n<\/tr>\n
Plomb, Pb<\/td>\n0,15 \u2013 0,35<\/td>\n<\/tr>\n
Carbone, C<\/td>\n0.15<\/td>\n<\/tr>\n
Phosphore, P<\/td>\n0,040 \u2013 0,090<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

L'influence de la composition de l'acier au carbone 12L14 sur ses propri\u00e9t\u00e9s<\/h2>\n

\"Acier<\/p>\n

Carbon steel that is 12L14 is widely used as base material because it can be used in variety of applications.\u00a0It contains around 0.12 %, of the carbon that imparts strength and hardness to it, yet retains its moldability.\u00a0Manganese contributes to the hardenability and strength of steel, while sulfur, about 0.15%, improves machinability by forming manganese sulfides reducing the production costs and prolonging service life of any tools.\u00a0Lead is also added to further enhance machinability through acting as the lubricant, thus it is able to reduce friction between the cutting tool and the work piece.\u00a0The composition of 12L14 is precisely controlled to yield outstanding machinability characteristics making it perfect for machining oriented applications in industry where precision is premium and production volumes are high thus suitable for automotive components and fasteners.<\/p>\n

Propri\u00e9t\u00e9s physiques de l'acier au carbone 12L14<\/h2>\n\n\n\n\n
Propri\u00e9t\u00e9s<\/b><\/strong><\/td>\nM\u00e9trique<\/b><\/strong><\/td>\nImp\u00e9rial<\/b><\/strong><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n7,87 g\/cm3<\/td>\n0,284 lb\/po\u00b3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Propri\u00e9t\u00e9s m\u00e9caniques de l'acier au carbone 12L14<\/h2>\n

\"Acier<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Propri\u00e9t\u00e9s<\/b><\/strong><\/td>\nM\u00e9trique<\/b><\/strong><\/td>\nImp\u00e9rial<\/b><\/strong><\/td>\n<\/tr>\n
R\u00e9sistance \u00e0 la traction en acier 12L14<\/td>\n540 MPa<\/td>\n78300 psi<\/td>\n<\/tr>\n
Limite d'\u00e9lasticit\u00e9<\/td>\n415 MPa<\/td>\n60200 psi<\/td>\n<\/tr>\n
Module de masse (typique pour l'acier)<\/td>\n140 GPa<\/td>\n20300 ksi<\/td>\n<\/tr>\n
Module de cisaillement (typique pour l'acier)<\/td>\n80,0 GPa<\/td>\n11600 ksi<\/td>\n<\/tr>\n
Module d'\u00e9lasticit\u00e9<\/td>\n190-210 GPa<\/td>\n27557-30458 ksi<\/td>\n<\/tr>\n
Coefficient de Poisson<\/td>\n0.27-0.30<\/td>\n0.27-0.30<\/td>\n<\/tr>\n
Allongement \u00e0 la rupture<\/td>\n10%<\/td>\n10%<\/td>\n<\/tr>\n
R\u00e9duction de la superficie<\/td>\n35%<\/td>\n35%<\/td>\n<\/tr>\n
Duret\u00e9, Brinell<\/td>\n163<\/td>\n163<\/td>\n<\/tr>\n
Duret\u00e9, Knoop (convertie \u00e0 partir de la duret\u00e9 Brinell)<\/td>\n184<\/td>\n184<\/td>\n<\/tr>\n
Duret\u00e9, Rockwell B (convertie \u00e0 partir de la duret\u00e9 Brinell)<\/td>\n84<\/td>\n84<\/td>\n<\/tr>\n
Duret\u00e9, Vickers (convertie \u00e0 partir de la duret\u00e9 Brinell)<\/td>\n170<\/td>\n170<\/td>\n<\/tr>\n
Usinabilit\u00e9 (bas\u00e9e sur une usinabilit\u00e9 de 100 pour l'acier AISI 1212)<\/td>\n160<\/td>\n160<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Propri\u00e9t\u00e9s thermiques de l'acier au carbone 12L14<\/h2>\n\n\n\n\n\n
Propri\u00e9t\u00e9s<\/b><\/strong><\/td>\nM\u00e9trique<\/b><\/strong><\/td>\nImp\u00e9rial<\/b><\/strong><\/td>\n<\/tr>\n
Coefficient de dilatation thermique (@ 20\u00b0C\/68\u00b0F, acier typique)<\/td>\n11,5 \u00b5m\/m\u00b0C<\/td>\n6,39 \u00b5po\/po\u00b0F<\/td>\n<\/tr>\n
Conductivit\u00e9 thermique (acier typique)<\/td>\n51,9 W\/mK<\/td>\n360 BTU po\/h.pi\u00b2.\u00b0F<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Mat\u00e9riaux \u00e9quivalents \u00e0 l'acier au carbone 12L14<\/h2>\n

\"Acier<\/p>\n\n\n\n\n\n\n\n
Num\u00e9ro UNS<\/b><\/strong><\/td>\nG12144<\/td>\n<\/tr>\n
Nom am\u00e9ricain<\/b><\/strong><\/td>\nAISI 12L14, 12L13, 12L15 selon ASTM A29, ASTM A510, ASTM A519, ASTM A576, SAE J403<\/td>\n<\/tr>\n
FR nom<\/b><\/strong><\/td>\n11SMnPb37, 11SMnPb30, 9SMnPb28 selon BS EN 10087, BS EN 10277\u00a0; S300Pb selon NF A35 561<\/td>\n<\/tr>\n
Num\u00e9ro FR<\/b><\/strong><\/td>\n1.0737, 1.0718, 1.9718<\/td>\n<\/tr>\n
Nom JIS (japonais)<\/b><\/strong><\/td>\nSUM24L \u00e0 JIS G4804<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Quelles m\u00e9thodes de traitement conviennent \u00e0 l\u2019acier au carbone 12L14\u00a0?<\/h2>\n

12L14 steels are highly versatile in manufacturing because they machine well with ease and have moderate strength.\u00a0Especially, it mainly masters substantial operations including turning, milling, drilling, and threading thanks to its lead and sulfur richness which can chop chips and decrease tool wear.\u00a0Furthermore, it further can be formed by cold forming processes as for example bending and stamping without preheat and annealing.\u00a0However, efforts must be made to avoid it due it its relatively higher sulfur and lead content.\u00a0Heat treatment processes, which are used to alter properties, are usually the exception since 12L14 is rarely hardened by this process.\u00a0Overall, 12L14 carbon steel is the material of choice where high precision in machining is required and strength is also a critical factor.<\/p>\n

Quelles sont les limites de l\u2019acier au carbone 12L14 ?<\/h2>\n

\"Acier<\/p>\n

The extremely precision of machinability plus the moderate strength make 12L14 carbon steel have some limitations.\u00a0Carbon steel, which is characterized by comparatively low strength and toughness, is not very suitable for applications demanding high strength or wear resistance.\u00a0Furthermore, the sulphur that is useful for machinability may cause the metal to become brittle, which may result into such problems as cracking.\u00a0Weldability is dealt with due to its sulfur and lead content which is higher than the usual, as it requires some particular techniques in order not to cause weld cracking and\/ or poor quality.\u00a0In addition, 12L14 steel has very limited heat treatability and the use of additional protection measures is needed to mitigate corrosion in some special environments.\u00a0In that way, the main advantages of this technology for machining component parts should be weighed up against its limitations for materials selection.<\/p>\n

Application courante de l'acier au carbone 12L14<\/h2>\n\n\n\n\n\n\n\n\n\n
les industries<\/strong><\/td>\nComposants<\/strong><\/td>\n<\/tr>\n
Automobile<\/strong><\/td>\nEntretoise de roue<\/a><\/td>\nBloquer la garde<\/a><\/td>\nCouvercle de soupape<\/a><\/td>\nBride d'admission<\/a><\/td>\n\u00c9crou de roue<\/a><\/td>\nPommeau de levier de vitesse<\/a><\/td>\n<\/td>\n<\/tr>\n
Meubles et d\u00e9coration<\/strong><\/td>\nCharni\u00e8re pour piano<\/a><\/td>\nSouder sur la charni\u00e8re<\/a><\/td>\nCharni\u00e8re \u00e0 barillet<\/a><\/td>\nDes vis<\/a><\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Moto<\/strong><\/td>\nPignon<\/a><\/td>\nroues<\/a><\/td>\nMoyeu de roue<\/a><\/td>\nProtection de radiateur<\/a><\/td>\nRepose-pieds<\/a><\/td>\nPince triple<\/a><\/td>\nExtr\u00e9mit\u00e9 de barre<\/a><\/td>\n<\/tr>\n
Bande-annonce<\/strong><\/td>\nCoupleur<\/a><\/td>\nCric de remorque<\/a><\/td>\nTube r\u00e9cepteur<\/a><\/td>\nSerrure \u00e0 palette pour remorque<\/a><\/td>\nCrochet d'attelage<\/a><\/td>\nSupport \u00e0 bille<\/a><\/td>\n<\/td>\n<\/tr>\n
V\u00e9lo<\/strong><\/td>\nPotence de v\u00e9lo<\/a><\/td>\nP\u00e9dalier<\/a><\/td>\nroues<\/a><\/td>\nMoyeu de roue<\/a><\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Faire du karting<\/strong><\/td>\nGo Kart Pignon<\/a><\/td>\nGo Kart Entretoise<\/a><\/td>\nMoyeu de roue de kart<\/a><\/td>\nAller au volant de kart<\/a><\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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Why Choos HDC to Custom 12L14 Carbon Steel Products HDC has over a decade of experience in the custom metal components field. We possess precision 4-axis and 5-axis machine tools, automated CNC machining centers, and a professional design and production team. We can provide you with various machining processes, including CNC milling, CNC turning, laser […]<\/p>\n","protected":false},"author":1,"featured_media":9789,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"HDC is a professional custom metal parts supplier. We offer a variety of material options, including titanium alloys, stainless steel, copper, aluminum alloys, plastics, etc., to best meet your material requirements.","_seopress_robots_index":"","site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"tags":[343],"class_list":["post-13324","page","type-page","status-publish","has-post-thumbnail","hentry","tag-acf-temp"],"acf":[],"_links":{"self":[{"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/pages\/13324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/comments?post=13324"}],"version-history":[{"count":5,"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/pages\/13324\/revisions"}],"predecessor-version":[{"id":108738,"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/pages\/13324\/revisions\/108738"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/media\/9789"}],"wp:attachment":[{"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/media?parent=13324"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/tags?post=13324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}