{"id":750,"date":"2017-08-19T08:50:59","date_gmt":"2017-08-19T08:50:59","guid":{"rendered":"http:\/\/wldstainless.com\/?p=750"},"modified":"2020-09-15T07:58:02","modified_gmt":"2020-09-15T07:58:02","slug":"why-the-stainless-steel-pipe-need-solution-annealing","status":"publish","type":"post","link":"https:\/\/wldstainless.com\/id\/why-the-stainless-steel-pipe-need-solution-annealing\/","title":{"rendered":"Mengapa pipa stainless steel memerlukan pengelasan penyelesaian?"},"content":{"rendered":"<p>Solusi annealing juga disebut sebagai annealing solusi karbida, merupakan proses pemanasan bagian kerja hingga 1010 \u2103 atau lebih tinggi untuk menghilangkan pengendapan karbida (karbon dari solusi padat stainless steel), dan kemudian dilakukan pendinginan cepat, biasanya dengan cara penyemburan air dan karbida tersebut kembali ke solusi padat stainless steel. Pengobatan annealing solusi dapat diterapkan pada baja paduan dan baja stainless. Untuk <a href=\"https:\/\/wldstainless.com\/materials\/austenitic-stainless-steel\/304-304l-stainless-steel\/\"><em>Tembaga stainless steel 304<\/em> <\/a>Pengolahan dengan cara pencetakan dan pengobatan solusi dapat menghasilkan mikrostruktur yang seragam tanpa adanya kotoran karbida. Secara umum, tabung baja stainless steel dipanaskan selama jangka waktu yang lama hingga mencapai suhu sekitar 950 ~ 1150\u00b0C agar karbida dan berbagai elemen paduan larut sepenuhnya dan merata dalam austenit, lalu segera didinginkan dengan air untuk memperoleh struktur austenit yang murni karena adanya karbon dan elemen paduan lainnya yang mengalami pengendapan terlambat. Pertanyaannya adalah, mengapa tabung baja stainless steel memerlukan pengelasan dengan solusi? Pertama-tama Anda harus mengetahui fungsi dari proses pengelasan dengan solusi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1763 aligncenter\" src=\"https:\/\/wldstainless.com\/wp-content\/uploads\/2017\/08\/Solid-solution-heat-treatment-furnace.jpg\" alt=\"\" width=\"500\" height=\"322\" srcset=\"https:\/\/wldstainless.com\/wp-content\/uploads\/2017\/08\/Solid-solution-heat-treatment-furnace.jpg 500w, https:\/\/wldstainless.com\/wp-content\/uploads\/2017\/08\/Solid-solution-heat-treatment-furnace-300x193.jpg 300w, https:\/\/wldstainless.com\/wp-content\/uploads\/2017\/08\/Solid-solution-heat-treatment-furnace-450x290.jpg 450w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p><strong>Struktur metalografis yang seragam<\/strong><\/p>\n<p>Ini sangat penting bagi bahan baku. Ketidakkonsistenan dalam suhu rolling dan laju pendinginan tabung baja dilas panas menyebabkan konsekuensi yang sama pada struktur. Ketika aktivitas atom meningkat pada suhu tinggi, \u03c3 terurai dan komposisi kimianya cenderung seragam, sehingga struktur satu fase yang seragam diperoleh setelah pendinginan yang cepat.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Pengecualian dari pengerasan kerja<\/strong><\/p>\n<p>Pengobatan dengan solusi padat mengembalikan kisi-kisi yang tertekuk dan mengkristal kembali butiran yang rusak. Tekanan internal dan kekuatan tarik dari tabung baja berkurang sementara tingkat elongasi meningkat untuk memfasilitasi kerja dingin secara terus menerus.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Tingkat ketahanan korosi yang meningkat<\/strong><\/p>\n<p>Ketahanan korosi baja stainless berkurang seiring dengan pembentukan karbid, dan ketahanan korosi tabung baja kembali ke kondisi terbaik setelah proses pengolahan dengan larutan padat. Suhu, waktu penahanan, dan tingkat pendinginan adalah faktor-faktor yang paling penting dalam proses pengolahan dengan larutan untuk baja stainless.<\/p>\n<p>Suhu larutan padat tergantung pada komposisi kimianya. Secara umum, suhu larutan padat harus ditingkatkan secara proporsional untuk kelas dengan lebih banyak unsur paduan dan kandungan yang tinggi, terutama untuk baja dengan kandungan mangan, molibdenum, nikel, dan silikon yang tinggi. Hanya dengan meningkatkan suhu larutan padat dan membuatnya larut sepenuhnya, efek pelunakan dapat dicapai.<\/p>\n<p>Namun, ada beberapa pengecualian, seperti 316Ti. Ketika suhu solusi padat tinggi, karbid dari unsur-unsur yang stabil sepenuhnya terlarut dalam Austenite, yang akan terendapkan di batas butir dalam bentuk Cr23C6 dan menyebabkan korosi antargranular pada pendinginan selanjutnya. Suhu solusi padat yang lebih rendah direkomendasikan untuk mencegah karbid (TiC dan NbC) dari unsur-unsur stabilisasi terdekomposisi dan terlarut dalam solusi padat.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Solution annealing is also referred as carbide solution annealing, is a process that heats the work part to 1010\u2103 or above to remove of carbide precipitation (Carbon from the stainless steel solid solution), and then it is rapid cooling, usually, water quenching and the carbide returned to the stainless steel solid solution. Solution annealing treatment [&hellip;]<\/p>","protected":false},"author":1,"featured_media":929,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-750","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Solution annealing treatment can be applied to alloy steel and stainless steel. 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