{"id":3686,"date":"2018-05-03T10:34:18","date_gmt":"2018-05-03T02:34:18","guid":{"rendered":"http:\/\/www.bundytubes.com\/?p=3686"},"modified":"2026-10-05T13:03:14","modified_gmt":"2026-10-05T05:03:14","slug":"double-walled-astm-a254-steel-tubing","status":"publish","type":"post","link":"https:\/\/www.bundytubes.com\/my\/double-walled-astm-a254-steel-tubing\/","title":{"rendered":"Tiub Keluli ASTM A254 Dinding Berganda"},"content":{"rendered":"<p>ASTM A254 menetapkan spesifikasi piawai untuk tiub keluli berdinding dua (berkeluli tembaga).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3607 alignright\" src=\"\/wp-content\/uploads\/12.7x1-Copper-Brazed-Double-Wall-Steel-Tubes-300x300.jpg\" alt=\"12.7x1 Tiub Keluli Berdinding Dua Bersambung Tembaga (Copper Brazed Double Wall Steel Tubes)\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.bundytubes.com\/wp-content\/uploads\/12.7x1-Copper-Brazed-Double-Wall-Steel-Tubes-300x300.jpg 300w, https:\/\/www.bundytubes.com\/wp-content\/uploads\/12.7x1-Copper-Brazed-Double-Wall-Steel-Tubes-150x150.jpg 150w, https:\/\/www.bundytubes.com\/wp-content\/uploads\/12.7x1-Copper-Brazed-Double-Wall-Steel-Tubes.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Engineered Industries Limited menawarkan tiub ASTM A254 berdinding dua berkualiti tinggi dengan penghantaran yang sangat pantas.<\/p>\n<p>Kami mempunyai stok yang banyak untuk saiz tiub biasa, serta menawarkan pilihan pembungkusan dan penghantaran yang fleksibel berdasarkan pengalaman bertahun-tahun dalam pengangkutan kargo laut dan udara.<\/p>\n<h3>Saiz Biasa &amp; Stok<\/h3>\n<p>Saiz tiub Bundy yang disenaraikan dalam jadual berikut boleh dikeluarkan; antaranya, ketebalan 0.7 mm dan 1 mm biasanya tersedia dalam stok atau akan dikeluarkan mengikut pesanan.<\/p>\n<table border=\"1\">\n<colgroup>\n<col span=\"8\" \/> <\/colgroup>\n<tbody>\n<tr>\n<td style=\"text-align: center;\" rowspan=\"3\">OD, mm<\/td>\n<td style=\"text-align: center;\" colspan=\"7\">\u00a0Ketebalan Dinding, mm<\/td>\n<\/tr>\n<tr>\n<td>\u00a00.5<\/td>\n<td>0.6<\/td>\n<td>0.7<\/td>\n<td>0.8<\/td>\n<td>0.9<\/td>\n<td>1<\/td>\n<td>1.3<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" colspan=\"7\">\u00a0Berat unit (teoretikal), g\/m<\/td>\n<\/tr>\n<tr>\n<td>\u00a03.18<\/td>\n<td>33.0<\/td>\n<td>38.2<\/td>\n<td>42.8<\/td>\n<td>47.0<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a04<\/td>\n<td>43.2<\/td>\n<td>50.3<\/td>\n<td>57.0<\/td>\n<td>63.1<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a04.76<\/td>\n<td>52.5<\/td>\n<td>61.6<\/td>\n<td>70.1<\/td>\n<td>78.1<\/td>\n<td>85.7<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a05<\/td>\n<td>55.5<\/td>\n<td>65.1<\/td>\n<td>74.2<\/td>\n<td>82.9<\/td>\n<td>91.0<\/td>\n<td>98.6<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a06<\/td>\n<td>67.8<\/td>\n<td>79.9<\/td>\n<td>91.5<\/td>\n<td>102.6<\/td>\n<td>113.2<\/td>\n<td>123.3<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a06.35<\/td>\n<td>72.1<\/td>\n<td>85.1<\/td>\n<td>97.5<\/td>\n<td>109.5<\/td>\n<td>121.0<\/td>\n<td>131.9<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a07<\/td>\n<td>80.2<\/td>\n<td>94.7<\/td>\n<td>108.8<\/td>\n<td>122.3<\/td>\n<td>135.4<\/td>\n<td>148.0<\/td>\n<td>182.7<\/td>\n<\/tr>\n<tr>\n<td>\u00a07.94<\/td>\n<td>91.7<\/td>\n<td>108.6<\/td>\n<td>125.0<\/td>\n<td>140.9<\/td>\n<td>156.3<\/td>\n<td>171.2<\/td>\n<td>212.9<\/td>\n<\/tr>\n<tr>\n<td>\u00a08<\/td>\n<td>92.5<\/td>\n<td>109.5<\/td>\n<td>126.0<\/td>\n<td>142.1<\/td>\n<td>157.6<\/td>\n<td>172.6<\/td>\n<td>214.8<\/td>\n<\/tr>\n<tr>\n<td>\u00a09.53<\/td>\n<td>111.3<\/td>\n<td>132.1<\/td>\n<td>152.4<\/td>\n<td>172.2<\/td>\n<td>191.5<\/td>\n<td>210.4<\/td>\n<td>263.9<\/td>\n<\/tr>\n<tr>\n<td>\u00a010<\/td>\n<td><\/td>\n<td>139.1<\/td>\n<td>160.5<\/td>\n<td>181.5<\/td>\n<td>202.0<\/td>\n<td>222.0<\/td>\n<td>278.9<\/td>\n<\/tr>\n<tr>\n<td>\u00a012<\/td>\n<td><\/td>\n<td>168.7<\/td>\n<td>185.1<\/td>\n<td>221.0<\/td>\n<td>246.4<\/td>\n<td>271.3<\/td>\n<td>343.0<\/td>\n<\/tr>\n<tr>\n<td>\u00a012.7<\/td>\n<td><\/td>\n<td>179.0<\/td>\n<td>207.2<\/td>\n<td>234.8<\/td>\n<td>261.9<\/td>\n<td>288.5<\/td>\n<td>365.5<\/td>\n<\/tr>\n<tr>\n<td>\u00a014<\/td>\n<td><\/td>\n<td><\/td>\n<td>229.6<\/td>\n<td>260.4<\/td>\n<td>290.8<\/td>\n<td>320.6<\/td>\n<td>407.2<\/td>\n<\/tr>\n<tr>\n<td>\u00a015.88<\/td>\n<td><\/td>\n<td><\/td>\n<td>260.7<\/td>\n<td>295.9<\/td>\n<td>330.7<\/td>\n<td>365.0<\/td>\n<td>464.9<\/td>\n<\/tr>\n<tr>\n<td>\u00a016<\/td>\n<td><\/td>\n<td><\/td>\n<td>264.1<\/td>\n<td>299.9<\/td>\n<td>335.2<\/td>\n<td>369.9<\/td>\n<td>471.3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>Saiz Khas<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2850 alignright\" src=\"\/wp-content\/uploads\/Homepage-Slider-1-300x188.jpg\" alt=\"Talian Pengeluaran Tiub Bundy\" width=\"300\" height=\"188\" \/><\/p>\n<p>Kami mampu menghasilkan saiz tiub Bundy yang tidak digunakan secara rutin. Dengan menggabungkan satu atau lebih proses seperti penarikan sejuk dan pelunakan (annealing), tiub Bundy boleh dihasilkan dalam pelbagai saiz lain untuk memenuhi keperluan aplikasi khas.<\/p>\n<p><a href=\"\/metal-weight-calculator\/\" target=\"_blank\" rel=\"noopener noreferrer\">Klik di sini untuk mengira berat tiub.<\/a><\/p>\n<h3>Ketepatan Dimensi<\/h3>\n<table class=\"center\" border=\"1\">\n<tbody>\n<tr>\n<td><strong>OD<\/strong><\/td>\n<td><strong>Toleransi<\/strong><\/td>\n<td><strong>Ketebalan Dinding<\/strong><\/td>\n<td><strong>Toleransi<\/strong><\/td>\n<\/tr>\n<tr>\n<td>&lt;4.76<\/td>\n<td>\u00b10.05<\/td>\n<td>0.5<\/td>\n<td>\u00b10.07<\/td>\n<\/tr>\n<tr>\n<td>4.76-8<\/td>\n<td>\u00b10.08<\/td>\n<td>0.5-0.7<\/td>\n<td>\u00b10.08<\/td>\n<\/tr>\n<tr>\n<td>8-12.7<\/td>\n<td>\u00b10.10<\/td>\n<td>\u00a00.7-1<\/td>\n<td>\u00b10.09<\/td>\n<\/tr>\n<tr>\n<td>\u00a0&gt;12.7<\/td>\n<td>\u00a0\u00b10.12<\/td>\n<td>\u00a01-1.3<\/td>\n<td>\u00b10.1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Bahan<\/h3>\n<p>Tiub-tiub ini diperbuat daripada jalur keluli berkarbon rendah (gred BHG2) yang dihasilkan oleh Bao Steel Group. Komposisi kimianya adalah seperti berikut:<\/p>\n<table border=\"1\">\n<tbody>\n<tr>\n<td>Unsur<\/td>\n<td>C<\/td>\n<td>Si<\/td>\n<td>Mn<\/td>\n<td>P<\/td>\n<td>S<\/td>\n<\/tr>\n<tr>\n<td>Piawai (maks., %)<\/td>\n<td>0.06<\/td>\n<td>0.03<\/td>\n<td>0.3<\/td>\n<td>0.03<\/td>\n<td>0.03<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Sifat Mekanikal<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<td>Kekuatan Tegangan<\/td>\n<td>42000 psi (290 MPa)<\/td>\n<\/tr>\n<tr>\n<td>Kekuatan Hasil<\/td>\n<td>26100 psi (180 MPa)<\/td>\n<\/tr>\n<tr>\n<td>Pemanjangan<\/td>\n<td>\u226525%<\/td>\n<\/tr>\n<tr>\n<td>Pengembangan<\/td>\n<td>\u226520%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Kebersihan Permukaan Bahagian Dalam:\u00a0<\/strong>\u00a00.16g\/m<sup>2<\/sup>\u00a0, maks<\/p>\n<h3>Tekanan Letupan<\/h3>\n<table border=\"1\">\n<colgroup>\n<col span=\"8\" \/> <\/colgroup>\n<tbody>\n<tr>\n<td style=\"text-align: center;\" rowspan=\"3\">OD, mm<\/td>\n<td style=\"text-align: center;\" colspan=\"7\">\u00a0Ketebalan Dinding, mm<\/td>\n<\/tr>\n<tr>\n<td>\u00a00.5<\/td>\n<td>0.6<\/td>\n<td>0.7<\/td>\n<td>0.8<\/td>\n<td>0.9<\/td>\n<td>1<\/td>\n<td>1.3<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" colspan=\"7\">\u00a0Tekanan letupan, MPa<\/td>\n<\/tr>\n<tr>\n<td>\u00a03.18<\/td>\n<td>119.4<\/td>\n<td>148.8<\/td>\n<td>180.6<\/td>\n<td>215.1<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a04<\/td>\n<td>91.4<\/td>\n<td>112.9<\/td>\n<td>135.8<\/td>\n<td>160.0<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a04.76<\/td>\n<td>75.1<\/td>\n<td>92.3<\/td>\n<td>110.3<\/td>\n<td>129.3<\/td>\n<td>148.2<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a05<\/td>\n<td>71.1<\/td>\n<td>87.3<\/td>\n<td>104.2<\/td>\n<td>121.9<\/td>\n<td>140.5<\/td>\n<td>\u00a0160.0<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a06<\/td>\n<td>58.2<\/td>\n<td>71.1<\/td>\n<td>84.5<\/td>\n<td>98.5<\/td>\n<td>112.9<\/td>\n<td>128<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a06.35<\/td>\n<td>54.7<\/td>\n<td>66.8<\/td>\n<td>79.3<\/td>\n<td>92.3<\/td>\n<td>105.7<\/td>\n<td>119.6<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a07<\/td>\n<td>49.2<\/td>\n<td>60.0<\/td>\n<td>71.1<\/td>\n<td>\u00a082.6<\/td>\n<td>94.4<\/td>\n<td>106.7<\/td>\n<td>146.0<\/td>\n<\/tr>\n<tr>\n<td>\u00a07.94<\/td>\n<td>43.0<\/td>\n<td>52.3<\/td>\n<td>61.9<\/td>\n<td>71.7<\/td>\n<td>81.8<\/td>\n<td>92.2<\/td>\n<td>125.3<\/td>\n<\/tr>\n<tr>\n<td>\u00a08<\/td>\n<td>42.7<\/td>\n<td>51.9<\/td>\n<td>61.4<\/td>\n<td>71.1<\/td>\n<td>81.1<\/td>\n<td>91.4<\/td>\n<td>124.2<\/td>\n<\/tr>\n<tr>\n<td>\u00a09.53<\/td>\n<td>35.4<\/td>\n<td>43.0<\/td>\n<td>50.7<\/td>\n<td>58.6<\/td>\n<td>66.7<\/td>\n<td>75.0<\/td>\n<td>101.1<\/td>\n<\/tr>\n<tr>\n<td>\u00a010<\/td>\n<td><\/td>\n<td>40.9<\/td>\n<td>\u00a048.2<\/td>\n<td>55.7<\/td>\n<td>63.3<\/td>\n<td>71.1<\/td>\n<td>95.6<\/td>\n<\/tr>\n<tr>\n<td>\u00a012<\/td>\n<td><\/td>\n<td>33.7<\/td>\n<td>39.6<\/td>\n<td>45.7<\/td>\n<td>51.9<\/td>\n<td>58.2<\/td>\n<td>77.8<\/td>\n<\/tr>\n<tr>\n<td>\u00a012.7<\/td>\n<td><\/td>\n<td>31.7<\/td>\n<td>37.3<\/td>\n<td>\u00a043.0<\/td>\n<td>48.8<\/td>\n<td>54.7<\/td>\n<td>73.0<\/td>\n<\/tr>\n<tr>\n<td>\u00a014<\/td>\n<td><\/td>\n<td><\/td>\n<td>33.7<\/td>\n<td>38.8<\/td>\n<td>44.0<\/td>\n<td>49.2<\/td>\n<td>65.5<\/td>\n<\/tr>\n<tr>\n<td>\u00a015.88<\/td>\n<td><\/td>\n<td><\/td>\n<td>29.5<\/td>\n<td>34<\/td>\n<td>38.5<\/td>\n<td>43<\/td>\n<td>57.1<\/td>\n<\/tr>\n<tr>\n<td>\u00a016<\/td>\n<td><\/td>\n<td><\/td>\n<td>29.3<\/td>\n<td>33.7<\/td>\n<td>38.1<\/td>\n<td>42.7<\/td>\n<td>56.6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<script type=\"text\/javascript\" charset=\"utf-8\" src=\"http:\/\/w.sharethis.com\/widget\/?wp=7.1.2\"><\/script>","protected":false},"excerpt":{"rendered":"<p>ASTM A254 menetapkan spesifikasi piawai untuk tiub keluli berdinding dua (dibrazing tembaga). <\/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 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