{"id":3718,"date":"2018-06-13T13:35:04","date_gmt":"2018-06-13T05:35:04","guid":{"rendered":"http:\/\/www.bundytubes.com\/?p=3718"},"modified":"2026-04-17T22:23:12","modified_gmt":"2026-04-17T14:23:12","slug":"gm-material-specification-ems-99-steel-tubing-copper-brazed","status":"publish","type":"post","link":"https:\/\/www.bundytubes.com\/my\/gm-material-specification-ems-99-steel-tubing-copper-brazed\/","title":{"rendered":"Spesifikasi Bahan GM: EMS-99 Tiub Keluli \u2013 Dibrazing Tembaga"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">1. Amalan Piawaian &amp;: Mematuhi semua kehendak ASTM A254<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. Kekerasan: (Pada ID, 90 darjah dari sambungan) Rockwell 30T, maksimum 55.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. Ujian Lenturan Rata &amp;: Satu bahagian tiub sepanjang sekurang-kurangnya 2-1\/2&#8243; harus mampu ditindih antara dua plat selari sehingga dinding dalaman saling bersentuhan. Bahagian yang telah diratakan kemudiannya hendaklah dilentur sekali melalui sudut 90 darjah di sekeliling pin berdiameter tiga kali ketebalan dinding tiub, dan seterusnya diluruskan sekali tanpa retak atau menunjukkan kecacatan.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. Toleransi:<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td rowspan=\"2\">&nbsp;<strong>OD<\/strong><\/td><td colspan=\"2\"><strong>Varian Dibenarkan<\/strong><\/td><\/tr><tr><td>Tambah<\/td><td>Tolak<\/td><\/tr><tr><td>3\/16&#8243;<\/td><td>.002&#8243;<\/td><td>.002&#8243;<\/td><\/tr><tr><td>1\/4&#8243; &amp; Lebih<\/td><td>.002&#8243;<\/td><td>.003&#8243;<\/td><\/tr><tr><td>Ketebalan Dinding<sup>1<\/sup><\/td><td>.002&#8243;<\/td><td>.003&#8243;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><sup>1<\/sup>Untuk dinding setebal .020&#8243; hingga .049&#8243;.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5. Ujian Hidrostatik: Untuk menahan, tanpa bocor, tekanan hidrostatik dalaman yang mencukupi bagi mengenakan tegasan gentian minimum sebanyak 16000 psi terhadap bahan tersebut. Tekanan hidrostatik mesti ditentukan dengan persamaan berikut:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P=2St\/D<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Di Mana<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P = tekanan hidrostatik dalam psi<br>S = tegasan gentian yang dibenarkan, 16000 psi<br>t =&nbsp; ketebalan dinding tiub dalam inci<br>D = diameter luar tiub dalam inci.<\/p>\n<script type=\"text\/javascript\" charset=\"utf-8\" src=\"http:\/\/w.sharethis.com\/widget\/?wp=7.1.2\"><\/script>","protected":false},"excerpt":{"rendered":"<p>1. Amalan Piawaian &amp;: Mematuhi semua kehendak ASTM A254 2. Kekerasan: (Pada ID, 90 darjah dari sambungan) Rockwell 30T, maksimum 55. 3. Ujian Lenturan Rata &amp;: Satu bahagian tiub sepanjang sekurang-kurangnya 2-1\/2&#8243; harus mampu ditindih antara dua plat selari sehingga dinding dalaman saling bersentuhan. Bahagian yang telah diratakan kemudiannya hendaklah dilentur sekali melalui sudut 90 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3225,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-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":"","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-4)","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-4)","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-4)","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":""},"categories":[33],"tags":[],"class_list":["post-3718","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-standard"],"_links":{"self":[{"href":"https:\/\/www.bundytubes.com\/my\/wp-json\/wp\/v2\/posts\/3718","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bundytubes.com\/my\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bundytubes.com\/my\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bundytubes.com\/my\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bundytubes.com\/my\/wp-json\/wp\/v2\/comments?post=3718"}],"version-history":[{"count":0,"href":"https:\/\/www.bundytubes.com\/my\/wp-json\/wp\/v2\/posts\/3718\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bundytubes.com\/my\/wp-json\/wp\/v2\/media\/3225"}],"wp:attachment":[{"href":"https:\/\/www.bundytubes.com\/my\/wp-json\/wp\/v2\/media?parent=3718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bundytubes.com\/my\/wp-json\/wp\/v2\/categories?post=3718"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bundytubes.com\/my\/wp-json\/wp\/v2\/tags?post=3718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}