{"id":5623,"date":"2020-02-17T06:30:33","date_gmt":"2020-02-17T06:30:33","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=5623"},"modified":"2025-07-01T06:35:43","modified_gmt":"2025-07-01T06:35:43","slug":"plusieurs-caracteristiques-de-coupe-des-tubes-en-acier-hastelloy","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/plusieurs-caracteristiques-de-coupe-des-tubes-en-acier-hastelloy\/","title":{"rendered":"Plusieurs caract\u00e9ristiques de coupe du tuyau en acier Hastelloy"},"content":{"rendered":"

Qu'est-ce que l'Hastelloy et ses caract\u00e9ristiques de coupe ?<\/strong><\/h2>\n

L'Hastelloy est un alliage \u00e0 base de nickel, mais contrairement au nickel pur ordinaire (Ni200) et au Monel, il contient du chrome. molybd\u00e8ne<\/a> comme principal \u00e9l\u00e9ment d'alliage, et vise \u00e0 am\u00e9liorer l'adaptabilit\u00e9 \u00e0 divers milieux et temp\u00e9ratures, et s'adresse \u00e0 diff\u00e9rentes industries.<\/p>\n

L'industrie chimique recherche g\u00e9n\u00e9ralement une capacit\u00e9 de production \u00e9lev\u00e9e pour augmenter la temp\u00e9rature et la pression afin d'acc\u00e9l\u00e9rer la vitesse de r\u00e9action, de sorte que la production est sujette \u00e0 des conditions impr\u00e9visibles et entra\u00eene une maintenance impr\u00e9vue.<\/p>\n

Hastelloy est con\u00e7u pour r\u00e9pondre \u00e0 une telle demande, en s'adaptant \u00e0 divers environnements difficiles impr\u00e9vus et en minimisant la maintenance impr\u00e9vue. En m\u00eame temps, il a \u00e9galement de bonnes performances de traitement et de soudage, ce qui est pratique pour la maintenance sur le terrain.<\/p>\n

\"Tuyau<\/a><\/p>\n

Nous pr\u00e9sentons ici plusieurs caract\u00e9ristiques de coupe des tubes en acier Hastelloy\u00a0:<\/h3>\n

1. La situation de durcissement est plus grave pendant le traitement<\/strong><\/em>: les plus importantes sont l'aust\u00e9nite et l'aust\u00e9nite + ferritique tuyaux en acier hastelloy<\/a>,<\/p>\n

Parce que le tuyau en acier hastelloy a une grande plasticit\u00e9, il est facile de se tordre pendant la d\u00e9formation plastique et le coefficient de renforcement est grand. De plus, la stabilit\u00e9 de l'aust\u00e9nite est faible, et une partie de l'aust\u00e9nite devient martensite sous coupe ; sous l'action de la chaleur de coupe, les impuret\u00e9s du compos\u00e9 facilement d\u00e9composables sont distribu\u00e9es de mani\u00e8re diffuse et une couche durcie se formera \u00e0 ce moment.<\/p>\n

Le ph\u00e9nom\u00e8ne de durcissement g\u00e9n\u00e9r\u00e9 pendant le traitement affectera le processus ult\u00e9rieur.<\/p>\n

2. Une grande force de coupe est requise<\/em><\/strong>: Parce que la plasticit\u00e9 du tube en acier Hastelloy pendant la coupe est grande, sa force de coupe est augment\u00e9e. Le tube en acier aust\u00e9nitique Hastelloy est particuli\u00e8rement performant et son allongement est 1,5 fois sup\u00e9rieur \u00e0 celui du 45 Times en acier. Parce que le tuyau en acier Hastelloy a un effet de durcissement s\u00e9v\u00e8re pendant le traitement, une r\u00e9sistance thermique plus \u00e9lev\u00e9e, sa r\u00e9sistance \u00e0 la coupe est augment\u00e9e, il est plus difficile de casser la boucle de coupe;<\/p>\n

3, La temp\u00e9rature de coupe est plus \u00e9lev\u00e9e<\/strong><\/em>: la chaleur g\u00e9n\u00e9r\u00e9e lors de la coupe est davantage due au frottement plus important entre la d\u00e9formation plastique et l'outil ; La dissipation thermique des tuyaux en acier Hastelloy est plus lente pendant la coupe, la majeure partie de la chaleur est concentr\u00e9e dans la zone de coupe. L'interface avec les boutures et sa conductivit\u00e9 thermique n'est que de 1\/2 ~ 1\/4 de 45 acier #;<\/p>\n

4. Le tuyau en acier Hastelloy n'est pas facile \u00e0 casser et facile \u00e0 coller lors de la coupe<\/em><\/strong>: Cela montre \u00e9galement que le tuyau en acier Hastelloy a une grande plasticit\u00e9 et t\u00e9nacit\u00e9.<\/p>\n

Surtout pendant le traitement, la coupe continue est facile \u00e0 \u00e9craser la surface du tuyau en acier Hastelloy et cela affectera \u00e9galement le processus de fonctionnement. Sous haute temp\u00e9rature et haute pression, il est facile de produire une adh\u00e9rence avec d'autres m\u00e9taux, formant des copeaux, augmentant l'usure de l'outil et provoquant la d\u00e9chirure de la surface.<\/p>\n

5. Des outils faciles \u00e0 porter<\/strong><\/em>: L'usure g\u00e9n\u00e9r\u00e9e par les outils lors de la coupe est facile \u00e0 coller et \u00e0 \u00e9taler, provoquant des piq\u00fbres en croissant sur la face de coupe des outils, tandis que les ar\u00eates de coupe forment de minuscules \u00e9caillages et interstices, et les carbures dans les tuyaux en acier Hastelloy Les particules ont une duret\u00e9 et un durcissement \u00e9lev\u00e9s pendant le traitement acc\u00e9l\u00e9rera l'usure de l'outil;<\/p>\n

6. Le tuyau en acier Hastelloy a un grand coefficient de dilatation lin\u00e9aire<\/strong><\/em>: seulement 1,5 fois celle de l'acier au carbone. A la temp\u00e9rature de coupe, il est difficile de contr\u00f4ler la pr\u00e9cision de la taille en raison de la d\u00e9formation thermique.<\/p>","protected":false},"featured_media":5624,"template":"","categories":[186],"tags":[],"class_list":["post-5623","blog","type-blog","status-publish","has-post-thumbnail","hentry","category-stainless-steel-knowledge"],"yoast_head":"\nSeveral Cutting Characteristics Of Hastelloy Steel Pipe - Stainless Steel Pipe and Fittings | KAYSUNS<\/title>\n<meta name=\"description\" content=\"Article for several cutting characteristics of Hastelloy steel pipe, Hastelloyis a nickel-based alloy, chromium molybdenum is mainly than Ni200 and Mone.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kaysuns.com\/fr\/blog\/plusieurs-caracteristiques-de-coupe-des-tubes-en-acier-hastelloy\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Several Cutting Characteristics Of Hastelloy Steel Pipe - 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