{"id":3265,"count":7,"description":"\r\n\r\nLes vannes de coul\u00e9e sont des vannes fabriqu\u00e9es par coul\u00e9e. G\u00e9n\u00e9ralement, les qualit\u00e9s de pression des vannes en fonte sont relativement faibles (telles que PN16, PN25 et PN40, mais il existe \u00e9galement des qualit\u00e9s \u00e0 haute pression, qui peuvent atteindre 1 500 Lb et 2 500 Lb), et la plupart de leurs calibres sont sup\u00e9rieurs \u00e0 DN50. Les vannes forg\u00e9es sont forg\u00e9es et sont g\u00e9n\u00e9ralement utilis\u00e9es dans des canalisations de haute qualit\u00e9 avec des diam\u00e8tres relativement petits, g\u00e9n\u00e9ralement inf\u00e9rieurs au DN50.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nOBTENIR LES INFORMATIONS SUR LA DIFF\u00c9RENCE ENTRE LES FERS FONT\u00c9ES ET FORG\u00c9S<\/strong><\/a>\r\n\r\n\r\n\r\n\r\nPourquoi utiliser Castings ?\r\n\r\n\r\n\r\n\r\nNous utilisons des pi\u00e8ces moul\u00e9es pour une large gamme de pi\u00e8ces d'usure et de composants trop grands, compliqu\u00e9s, complexes ou inappropri\u00e9s pour le processus de forgeage. Nous pouvons forger des pi\u00e8ces pesant jusqu'\u00e0 50 kg, mais l'\u00e9nergie n\u00e9cessaire pour forger des objets plus gros fait du moulage une alternative beaucoup plus viable.\r\n\r\n\r\n\r\n\r\nAvantages des moulages\r\n\r\n\r\n\r\n\r\n \tNo real upper size limit in casting weight\r\n \tLarge range of alloy choices\r\n \tAs forgings remain solid, custom alloys are far more difficult to get into production whereas, with casting, alloys including Chrome, Nickel, and Moly can be added at the molten stage.\r\n \tTooling is often less expensive than forge dies\r\n \tSmaller production \u201cruns\u201d required\r\n \tComplicated\/complex parts are no problem\r\n\r\n\r\n\r\n\r\nPourquoi utiliser des pi\u00e8ces forg\u00e9es ?\r\n\r\n\r\n\r\n\r\nLe forgeage offre une uniformit\u00e9 de composition et de structure. Le forgeage entra\u00eene une recristallisation m\u00e9tallurgique et un raffinement du grain suite au cycle thermique et au processus de d\u00e9formation. Cela renforce le produit en acier r\u00e9sultant, notamment en termes de r\u00e9sistance aux chocs et au cisaillement.\r\n\r\n\r\n\r\n\r\n\r\nL'acier forg\u00e9 est g\u00e9n\u00e9ralement plus r\u00e9sistant et plus fiable que les pi\u00e8ces moul\u00e9es et les t\u00f4les d'acier en raison du fait que l'\u00e9coulement des grains de l'acier est modifi\u00e9, se conformant \u00e0 la forme de la pi\u00e8ce.\r\n\r\n\r\n\r\n\r\nAvantages des pi\u00e8ces forg\u00e9es\r\n\r\n\r\n\r\n\r\n \tGenerally tougher than alternatives\r\n \tWill handle impact better than castings\r\n \tThe nature of forging excludes the occurrence of porosity, shrinkage, cavities, and cold pour issues.\r\n \tThe tight grain structure of forgings makes them mechanically strong. There is less need for expensive alloys to attain high-strength components.\r\n \tThe tight grain structure offers great wear resistance without the need to make products \u201csuperhard\u201d We have found that on a blank HRC 38-42 forged grinder insert wear\/wash is about the same as a high alloy HRC 46-50 cast grinder insert. The difference being an HRC 46-50 casting does not have the ductility to handle high-impact grinding.\r\n\r\n\r\n\r\n\r\nDiff\u00e9rence entre les fontes moul\u00e9es et forg\u00e9es\r\n\r\n\r\n\r\n\r\nVanne de coul\u00e9e\u00a0: le m\u00e9tal est fondu en un liquide qui r\u00e9pond aux exigences et vers\u00e9 dans le moule de vanne sp\u00e9cifi\u00e9. Apr\u00e8s refroidissement, solidification et nettoyage, un moulage de vanne ayant une forme, une taille et des performances pr\u00e9d\u00e9termin\u00e9es peut \u00eatre obtenu. Il s\u2019agit de l\u2019ensemble du processus de fabrication des vannes de coul\u00e9e. Le lien entre la fonte et les valves est apparu apr\u00e8s le 20e si\u00e8cle. Le moulage s'est d\u00e9velopp\u00e9 rapidement, cr\u00e9ant de la fonte ductile, de la fonte mall\u00e9able, de l'acier inoxydable \u00e0 tr\u00e8s faible teneur en carbone, de l'aluminium-cuivre, de l'aluminium-silicium, de l'alliage aluminium-magn\u00e9sium et du titane qui sont encore souvent utilis\u00e9s dans les produits de vannes.\r\n\r\n\r\n\r\n\r\n\r\nMat\u00e9riaux m\u00e9talliques moul\u00e9s tels que la base, l'alliage \u00e0 base de nickel, etc. Le principal avantage de la coul\u00e9e est que le co\u00fbt de l'\u00e9bauche produite par coul\u00e9e est faible et qu'elle peut montrer davantage son \u00e9conomie pour les pi\u00e8ces aux formes complexes, en particulier avec des cavit\u00e9s internes complexes. En m\u00eame temps, il pr\u00e9sente une plus grande adaptabilit\u00e9 et de meilleures propri\u00e9t\u00e9s m\u00e9caniques compl\u00e8tes. Cependant, de nombreux mat\u00e9riaux et \u00e9quipements sont n\u00e9cessaires \u00e0 la production de pi\u00e8ces moul\u00e9es, et de la poussi\u00e8re, des gaz nocifs et du bruit seront g\u00e9n\u00e9r\u00e9s et pollueront l'environnement.\r\n\r\n\r\n\r\n\r\n\r\nLa valve forg\u00e9e est une m\u00e9thode de traitement qui utilise des machines de forgeage pour appliquer une pression sur des \u00e9bauches de valve m\u00e9talliques afin de produire une d\u00e9formation plastique afin d'obtenir des pi\u00e8ces forg\u00e9es avec certaines propri\u00e9t\u00e9s m\u00e9caniques, certaines formes et tailles. Le forgeage peut \u00eatre divis\u00e9 en forgeage ouvert (forgeage libre) et en forgeage en mode ferm\u00e9 selon la m\u00e9thode de formage. Selon la temp\u00e9rature de d\u00e9formation, le forgeage peut \u00eatre divis\u00e9 en forgeage \u00e0 chaud, forgeage \u00e0 chaud et forgeage \u00e0 froid.\r\n\r\n\r\n\r\n\r\n\r\nLes mat\u00e9riaux de forgeage sont principalement l'acier au carbone et les aciers alli\u00e9s de compositions diverses, suivis par l'aluminium, le magn\u00e9sium, le titane, le cuivre, etc., et leurs alliages. L\u2019\u00e9tat d\u2019origine du mat\u00e9riau comprend les barres, les lingots, la poudre m\u00e9tallique et le m\u00e9tal liquide. Le rapport entre la section transversale du m\u00e9tal avant d\u00e9formation et la section transversale de la matrice apr\u00e8s d\u00e9formation est appel\u00e9 taux de forgeage. Gr\u00e2ce au forgeage, le rel\u00e2chement du m\u00e9tal et des trous de soudure lors de la coul\u00e9e peut \u00eatre \u00e9limin\u00e9, et les propri\u00e9t\u00e9s m\u00e9caniques des pi\u00e8ces forg\u00e9es sont g\u00e9n\u00e9ralement meilleures que celles des pi\u00e8ces moul\u00e9es du m\u00eame mat\u00e9riau. Pour les parties importantes des machines soumises \u00e0 des charges \u00e9lev\u00e9es et \u00e0 des conditions de travail difficiles, les pi\u00e8ces forg\u00e9es sont principalement utilis\u00e9es, \u00e0 l'exception des formes plus simples qui peuvent \u00eatre lamin\u00e9es, profil\u00e9es ou soud\u00e9es. La s\u00e9lection correcte des taux de forgeage a une grande influence sur l\u2019am\u00e9lioration de la qualit\u00e9 du produit et la r\u00e9duction des co\u00fbts.\r\n\r\n","link":"https:\/\/zecovalve.com\/fr\/tag\/difference-between-forged-and-cast","name":"Diff\u00e9rence entre forg\u00e9 et moul\u00e9","slug":"difference-between-forged-and-cast","taxonomy":"post_tag","meta":[],"yoast_head":"\nDifference Between Forged and Cast Irons Valve | ZECO Valve<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zecovalve.com\/fr\/tag\/difference-between-forged-and-cast\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Difference Between Forged and Cast Irons Valve | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"Casting valves are valves made by casting. Generally, the pressure grades of cast valves are relatively low (such as PN16, PN25, and PN40, but there are also high-pressure ones, which can reach 1500Lb, and 2500Lb), and most of their calibers are above DN50. Forged valves are forged and are generally used in high-grade pipelines with relatively small diameters, generally below DN50. GET DIFFERENCE BETWEEN CAST AND FORGED IRONS INFORMATION Why use Castings? We use castings for a wide range of wear parts and components that are too large, complicated, intricate, or otherwise unsuitable for the forging process. We can forge parts up to 50kgs but the sheer energy required to forge larger items makes casting a much more viable alternative. Advantages of Castings No real upper size limit in casting weight Large range of alloy choices As forgings remain solid, custom alloys are far more difficult to get into production whereas, with casting, alloys including Chrome, Nickel, and Moly can be added at the molten stage. Tooling is often less expensive than forge dies Smaller production \u201cruns\u201d required Complicated\/complex parts are no problem Why use Forgings? Forging offers uniformity of composition and structure. Forging results in metallurgical recrystallization and grain refinement as a result of the thermal cycle and deformation process. This strengthens the resulting steel product, particularly in terms of impact and shear strength. Forged steel is generally stronger and more reliable than castings and plate steel due to the fact that the grain flows of the steel\u00a0are altered, conforming to the shape of the part. Advantages of Forgings Generally tougher than alternatives Will handle impact better than castings The nature of forging excludes the occurrence of porosity, shrinkage, cavities, and cold pour issues. The tight grain structure of forgings makes them mechanically strong. There is less need for expensive alloys to attain high-strength components. The tight grain structure offers great wear resistance without the need to make products \u201csuperhard\u201d We have found that on a blank HRC 38-42 forged grinder insert wear\/wash is about the same as a high alloy HRC 46-50 cast grinder insert. The difference being an HRC 46-50 casting does not have the ductility to handle high-impact grinding. Difference Between Cast and Forged Irons Casting valve: the metal is smelted into a liquid that meets the requirements and poured into the specified valve mold. After cooling, solidification, and cleaning, a valve casting with a predetermined shape, size, and performance can be obtained. This is the entire casting valve crafting process. The connection between casting and valves came after the 20th century. Casting developed rapidly, creating ductile cast iron, malleable cast iron, ultra-low carbon stainless steel, aluminum copper, aluminum silicon, aluminum-magnesium alloy, and titanium which are still often used in valve products. Cast metal materials such as base, nickel base alloy, etc. The main advantage of casting is that the cost of the blank produced by casting is low, and it can show its economy more for parts with complex shapes, especially with complex inner cavities. At the same time, it has wider adaptability and better comprehensive mechanical properties. However, many materials and equipment are required for casting production, and dust, harmful gases, and noise will be generated to pollute the environment. Forged valve is a processing method that uses forging machinery to apply pressure to metal valve blanks to produce plastic deformation to obtain forgings with certain mechanical properties, certain shapes, and sizes. Forging can be divided into open forging (free forging) and closed mode forging according to the forming method. According to the deformation temperature, forging can be divided into hot forging, warm forging, and cold forging. Forging materials are mainly carbon steel and alloy steel with various compositions, followed by aluminum, magnesium, titanium, copper, etc., and their alloys. The original state of the material includes bar stock, ingot, metal powder, and liquid metal. The ratio of the cross-sectional area of the metal before deformation to the die cross-sectional area after deformation is called the forging ratio. Through forging, the as-cast looseness of metal and welding holes can be eliminated, and the mechanical properties of forgings are generally better than those of castings of the same material. For the important parts of machinery with high loads and severe working conditions, forgings are mostly used except for simpler shapes that can be rolled, profiles or welded parts. The correct selection of forging ratios has a great bearing on improving product quality and reducing costs.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/zecovalve.com\/fr\/tag\/difference-between-forged-and-cast\" \/>\n<meta property=\"og:site_name\" content=\"ZECO Valve\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/zecovalve.com\/#website\",\"url\":\"https:\/\/zecovalve.com\/\",\"name\":\"ZECO Valve\",\"description\":\"Industrial Ball Valve, Gate Valve and Globe Valve Manufacturer\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/zecovalve.com\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"CollectionPage\",\"@id\":\"https:\/\/zecovalve.com\/tag\/difference-between-forged-and-cast#webpage\",\"url\":\"https:\/\/zecovalve.com\/tag\/difference-between-forged-and-cast\",\"name\":\"Difference Between Forged and Cast Irons Valve | ZECO Valve\",\"isPartOf\":{\"@id\":\"https:\/\/zecovalve.com\/#website\"},\"breadcrumb\":{\"@id\":\"https:\/\/zecovalve.com\/tag\/difference-between-forged-and-cast#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/zecovalve.com\/tag\/difference-between-forged-and-cast\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/zecovalve.com\/tag\/difference-between-forged-and-cast#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/zecovalve.com\/\",\"url\":\"https:\/\/zecovalve.com\/\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"position\":2,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/zecovalve.com\/tag\/difference-between-forged-and-cast\",\"url\":\"https:\/\/zecovalve.com\/tag\/difference-between-forged-and-cast\",\"name\":\"Difference Between Forged and Cast\"}}]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","_links":{"self":[{"href":"https:\/\/zecovalve.com\/fr\/wp-json\/wp\/v2\/tags\/3265","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zecovalve.com\/fr\/wp-json\/wp\/v2\/tags"}],"about":[{"href":"https:\/\/zecovalve.com\/fr\/wp-json\/wp\/v2\/taxonomies\/post_tag"}],"wp:post_type":[{"href":"https:\/\/zecovalve.com\/fr\/wp-json\/wp\/v2\/posts?tags=3265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}