{"id":3268,"count":7,"description":"\r\n\r\n\r\nFORJAMENTO DE A\u00c7O VS FUNDI\u00c7\u00c3O\r\n\r\n\r\n\r\n\r\nO processo de fundi\u00e7\u00e3o \u00e9 preferido para:\r\n\r\n\r\n\r\n\r\n\r\n \tparts and components that would be too complex or expensive to manufacture by steel forging (example: large valve bodies);\r\n \tparts that have internal cavities;\r\n \tlarge sized parts (there are virtually no size limits in terms of the weight of the parts that can be produced with the casting process);\r\n \tparts in special alloys (some specific alloys are more difficult to forge than cast, for example, those with a high content of Nickel and Moly, which have considerable resistance to mechanical forces);\r\n \tparts requiring mass production and small lots.\r\n\r\n\r\n\r\n\r\n\r\nO processo de forjamento \u00e9 preferido para:\r\n\r\n\r\n\r\n\r\n\r\n \tparts requiring extremely high strength, toughness, and resistance (indeed, during the forging process the steel grain structure gets modified to conform to the shape of the final product \u2013 with high uniformity of composition and metallurgical recrystallization);\r\n \tparts that have to withstand stronger impacts and mechanical forces;\r\n \tparts where porosity, the risk of a gas void, pockets, and the possible formation of cavities (even micro-granular) are not acceptable;\r\n \tproduction of mechanically strong parts without using expensive alloys;\r\n \tparts that require high wear resistance;\r\n \tparts subject to high loads and stress;\r\n \thigh-end applications when the integrity and the quality of the part is the main objective in the production process, rather than time and cost.\r\n\r\n\r\n\r\n\r\n\r\nOBTENHA DIFEREN\u00c7A ENTRE INFORMA\u00c7\u00d5ES DE FERROS FUNDIDOS E FORJADOS<\/strong><\/a>\r\n\r\n\r\n\r\n\r\nVantagens e desvantagens das v\u00e1lvulas forjadas\r\n\r\n\r\n\r\n\r\nH\u00e1 muitas raz\u00f5es pelas quais voc\u00ea pode querer uma v\u00e1lvula de esfera forjada para sua aplica\u00e7\u00e3o em vez de uma v\u00e1lvula fundida. As v\u00e1lvulas forjadas tendem a ser melhores para aplica\u00e7\u00f5es de alta temperatura e alta press\u00e3o. Esses tipos de v\u00e1lvulas s\u00e3o menos propensos \u00e0 fadiga t\u00e9rmica porque as paredes s\u00e3o mais finas em compara\u00e7\u00e3o com as alternativas fundidas. Al\u00e9m disso, as op\u00e7\u00f5es forjadas t\u00eam massa maior, o que as torna mecanicamente mais resistentes.\r\n\r\n\r\n\r\n\r\n\r\nNo entanto, existem alguns motivos pelos quais uma v\u00e1lvula de esfera forjada pode n\u00e3o ser a melhor para sua aplica\u00e7\u00e3o. Primeiro, o processo de forjamento cria limita\u00e7\u00f5es para o tamanho e formato da v\u00e1lvula. O forjamento geralmente funciona melhor para v\u00e1lvulas e componentes menores. Al\u00e9m disso, nem todo metal \u00e9 adequado para forjamento, o que limita suas op\u00e7\u00f5es de material para v\u00e1lvula.\r\n\r\n\r\n\r\n\r\nVantagens e desvantagens das v\u00e1lvulas fundidas\r\n\r\n\r\n\r\n\r\nAs v\u00e1lvulas fundidas s\u00e3o uma \u00f3tima op\u00e7\u00e3o quando voc\u00ea precisa de v\u00e1lvulas de retorno r\u00e1pido e de baixo custo, pois exigem menos m\u00e3o de obra para serem produzidas. Al\u00e9m disso, o processo de fundi\u00e7\u00e3o permite formas mais complexas e fabrica\u00e7\u00e3o de v\u00e1lvulas. Voc\u00ea tamb\u00e9m tem maior flexibilidade na escolha do material, j\u00e1 que muitos tipos de metais s\u00e3o adequados para fundi\u00e7\u00e3o.\r\n\r\n\r\n\r\n\r\n\r\nEmbora as v\u00e1lvulas fundidas sejam bastante fortes e dur\u00e1veis quando voc\u00ea escolhe um fabricante de alta qualidade, ainda existem algumas restri\u00e7\u00f5es. Por exemplo, o processo de solidifica\u00e7\u00e3o pode criar pequenas impurezas no metal. Elas tamb\u00e9m s\u00e3o menos resistentes a altas temperaturas e press\u00f5es em compara\u00e7\u00e3o com uma v\u00e1lvula de esfera forjada.\r\n\r\n","link":"https:\/\/zecovalve.com\/pt\/tag\/difference-between-cast-and-forged","name":"Diferen\u00e7a entre fundido e forjado","slug":"difference-between-cast-and-forged","taxonomy":"post_tag","meta":[],"yoast_head":"\nDifference Between Cast and Forged Irons | 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\/pt\/tag\/difference-between-cast-and-forged\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Difference Between Cast and Forged Irons | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"STEEL FORGING VS CASTING The casting process is preferred for: parts and components that would be too complex or expensive to manufacture by steel forging (example: large valve bodies); parts that have internal cavities; large sized parts (there are virtually no size limits in terms of the weight of the parts that can be produced with the casting process); parts in special alloys (some specific alloys are more difficult to forge than cast, for example, those with a high content of Nickel and Moly, which have considerable resistance to mechanical forces); parts requiring mass production and small lots. The forging process is preferred for: parts requiring extremely high strength, toughness, and resistance (indeed, during the forging process the steel grain structure gets modified to conform to the shape of the final product \u2013 with high uniformity of composition and metallurgical recrystallization); parts that have to withstand stronger impacts and mechanical forces; parts where porosity, the risk of a gas void, pockets, and the possible formation of cavities (even micro-granular) are not acceptable; production of mechanically strong parts without using expensive alloys; parts that require high wear resistance; parts subject to high loads and stress; high-end applications when the integrity and the quality of the part is the main objective in the production process, rather than time and cost. GET DIFFERENCE BETWEEN CAST AND FORGED IRONS INFORMATION Advantages and Disadvantages of Forged Valves There are many reasons why you may want a forged ball valve for your application instead of a cast valve. Forged valves do tend to be better for high-temperature and high-pressure applications. These types of valves are less prone to thermal fatigue because the walls are thinner compared to cast alternatives. Also, forged options have a higher mass, making them mechanically stronger. However, there are a few reasons why a forged ball valve may not be best for your application. First, the forging process does create limitations for valve size and shape. Forging generally works better for smaller valves and components. In addition, not every metal is suitable for forging, which limits your options for valve material. Advantages and Disadvantages of Cast Valves Cast valves are a great option where you need quick turnaround and low-cost valves, as they require less labor to produce. Also, the casting process allows for more complex shapes and valve manufacturing. You also have greater flexibility in material choice, as many types of metals are suitable for casting. While cast valves are quite strong and durable when you choose a high-quality manufacturer, there are still some restrictions. For example, the solidification process can create small impurities in the metal. 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