{"id":9946,"date":"2024-06-03T12:43:49","date_gmt":"2024-06-03T04:43:49","guid":{"rendered":"https:\/\/petroleumtubes.com\/?p=9946"},"modified":"2024-06-03T16:32:23","modified_gmt":"2024-06-03T08:32:23","slug":"why-is-steel-tube-so-expensive","status":"publish","type":"post","link":"https:\/\/petroleumtubes.com\/ja\/why-is-steel-tube-so-expensive\/","title":{"rendered":"\u92fc\u7ba1\u306f\u306a\u305c\u9ad8\u4fa1\u306a\u306e\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_50 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6a699042b84c1\" aria-hidden=\"true\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-6a699042b84c1\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/petroleumtubes.com\/ja\/why-is-steel-tube-so-expensive\/#%E9%8B%BC%E7%AE%A1%E3%81%AE%E4%BE%A1%E6%A0%BC%E6%B1%BA%E5%AE%9A%E3%81%AB%E3%81%8A%E3%81%91%E3%82%8B%E5%8E%9F%E6%9D%90%E6%96%99%E3%81%AE%E5%BD%B9%E5%89%B2\" title=\"\u92fc\u7ba1\u306e\u4fa1\u683c\u6c7a\u5b9a\u306b\u304a\u3051\u308b\u539f\u6750\u6599\u306e\u5f79\u5272\">\u92fc\u7ba1\u306e\u4fa1\u683c\u6c7a\u5b9a\u306b\u304a\u3051\u308b\u539f\u6750\u6599\u306e\u5f79\u5272<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/petroleumtubes.com\/ja\/why-is-steel-tube-so-expensive\/#%E9%8B%BC%E7%AE%A1%E3%81%AE%E8%A3%BD%E9%80%A0%E5%B7%A5%E7%A8%8B%E3%81%A8%E3%82%B3%E3%82%B9%E3%83%88\" title=\"\u92fc\u7ba1\u306e\u88fd\u9020\u5de5\u7a0b\u3068\u30b3\u30b9\u30c8\">\u92fc\u7ba1\u306e\u88fd\u9020\u5de5\u7a0b\u3068\u30b3\u30b9\u30c8<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"the-role-of-raw-materials-in-steel-tube-pricing-wpaicgheading\"><span class=\"ez-toc-section\" id=\"%E9%8B%BC%E7%AE%A1%E3%81%AE%E4%BE%A1%E6%A0%BC%E6%B1%BA%E5%AE%9A%E3%81%AB%E3%81%8A%E3%81%91%E3%82%8B%E5%8E%9F%E6%9D%90%E6%96%99%E3%81%AE%E5%BD%B9%E5%89%B2\"><\/span>\u92fc\u7ba1\u306e\u4fa1\u683c\u6c7a\u5b9a\u306b\u304a\u3051\u308b\u539f\u6750\u6599\u306e\u5f79\u5272<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\n\u92fc\u7ba1\u306f\u5efa\u8a2d\u3001\u88fd\u9020\u3001\u30a4\u30f3\u30d5\u30e9\u6574\u5099\u306a\u3069\u3055\u307e\u3056\u307e\u306a\u7523\u696d\u306b\u6b20\u304b\u305b\u306a\u3044\u90e8\u54c1\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u30b3\u30b9\u30c8\u304c\u9ad8\u3044\u305f\u3081\u3001\u305d\u306e\u9ad8\u4fa1\u306a\u6027\u8cea\u306b\u5bc4\u4e0e\u3059\u308b\u8981\u56e0\u306b\u3064\u3044\u3066\u7591\u554f\u304c\u751f\u3058\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u92fc\u7ba1\u306e\u4fa1\u683c\u304c\u9ad8\u3044\u4e3b\u306a\u7406\u7531\u306e 1 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decoding=\"async\" src=\"https:\/\/petroleumtubes.com\/wp-content\/uploads\/2020\/01\/J55-Tubing06.jpg\" alt=\"alt-803\" class=\"wp-image-803\" id=\"i803\" 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id=\"manufacturing-processes-and-costs-associated-with-steel-tubes-wpaicgheading\"><span class=\"ez-toc-section\" id=\"%E9%8B%BC%E7%AE%A1%E3%81%AE%E8%A3%BD%E9%80%A0%E5%B7%A5%E7%A8%8B%E3%81%A8%E3%82%B3%E3%82%B9%E3%83%88\"><\/span>\u92fc\u7ba1\u306e\u88fd\u9020\u5de5\u7a0b\u3068\u30b3\u30b9\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\n\u92fc\u7ba1\u306f\u306a\u305c\u9ad8\u4fa1\u306a\u306e\u3067\u3059\u304b\uff1f<\/p>\n<p>\u30aa\u30a4\u30eb\u30d1\u30a4\u30d7\u306e\u6d17\u6d44\u65b9\u6cd5<\/p>\n<p>\u92fc\u7ba1\u306e\u88fd\u9020\u306f\u3001\u4e3b\u306b\u9244\u9271\u77f3\u306a\u3069\u306e\u539f\u6599\u306e\u63a1\u6398\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u9244\u9271\u77f3\u306f\u63a1\u6398\u3055\u308c\u3001\u52a0\u5de5\u3055\u308c\u3001\u9ad8\u7089\u3067\u6eb6\u9244\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u6eb6\u9244\u306f\u5869\u57fa\u6027\u9178\u7d20\u7089\u3067\u3055\u3089\u306b\u51e6\u7406\u3055\u308c\u3001\u305d\u3053\u3067\u4e0d\u7d14\u7269\u304c\u9664\u53bb\u3055\u308c\u3001\u6240\u671b\u306e\u7279\u6027\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306b\u5408\u91d1\u5143\u7d20\u304c\u6dfb\u52a0\u3055\u308c\u307e\u3059\u3002\u6eb6\u3051\u305f\u9244\u304c\u92fc\u306b\u5909\u5316\u3059\u308b\u3068\u3001\u30d3\u30ec\u30c3\u30c8\u307e\u305f\u306f\u30d6\u30eb\u30fc\u30e0\u306b\u92f3\u9020\u3055\u308c\u3001\u92fc\u7ba1\u88fd\u9020\u306e\u51fa\u767a\u6750\u6599\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n<p>\u88fd\u9020\u30d7\u30ed\u30bb\u30b9\u306e\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u92fc\u7ba1\u306e\u5f62\u6210\u3067\u3059\u3002\u3053\u306e\u76ee\u7684\u306b\u306f\u3001\u30b7\u30fc\u30e0\u30ec\u30b9\u3084\u6eb6\u63a5\u30d7\u30ed\u30bb\u30b9\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b7\u30fc\u30e0\u30ec\u30b9\u30c1\u30e5\u30fc\u30d6\u306f\u3001\u56fa\u4f53\u306e\u30d3\u30ec\u30c3\u30c8\u307e\u305f\u306f\u30d6\u30eb\u30fc\u30e0\u306b\u7a74\u3092\u958b\u3051\u3066\u4e2d\u7a7a\u306e\u30c1\u30e5\u30fc\u30d6\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u88fd\u9020\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u7279\u6b8a\u306a\u8a2d\u5099\u3068\u9ad8\u7cbe\u5ea6\u304c\u5fc5\u8981\u306a\u305f\u3081\u3001\u751f\u7523\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u6eb6\u63a5\u7ba1\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u6eb6\u63a5\u6280\u8853\u3092\u4f7f\u7528\u3057\u3066\u3001\u5e73\u3089\u306a\u30b9\u30c8\u30ea\u30c3\u30d7\u307e\u305f\u306f\u30d7\u30ec\u30fc\u30c8\u306e 2 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1 \u3064\u306f\u539f\u6750\u6599\u306e\u30b3\u30b9\u30c8\u3067\u3059\u3002\u9244\u9271\u77f3\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u5408\u91d1\u5143\u7d20\u306e\u4fa1\u683c\u306f\u3001\u5e02\u5834\u306e\u9700\u8981\u3068\u4f9b\u7d66\u306b\u57fa\u3065\u3044\u3066\u5909\u52d5\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u30b3\u30b9\u30c8\u3001\u4eba\u4ef6\u8cbb\u3001\u8f38\u9001\u30b3\u30b9\u30c8\u3082\u3001\u5168\u4f53\u306e\u751f\u7523\u30b3\u30b9\u30c8\u3092\u6c7a\u5b9a\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u54c1\u8cea\u7ba1\u7406\u3068\u696d\u754c\u6a19\u6e96\u3078\u306e\u6e96\u62e0\u306b\u3088\u308a\u3001\u51fa\u8cbb\u304c\u5897\u52a0\u3057\u307e\u3059\u3002\u92fc\u7ba1\u306f\u3001\u5b89\u5168\u6027\u3068\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u53b3\u3057\u3044\u54c1\u8cea\u8981\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306b\u306f\u3001\u53b3\u683c\u306a\u30c6\u30b9\u30c8\u3001\u691c\u67fb\u3001\u8a8d\u8a3c\u30d7\u30ed\u30bb\u30b9\u304c\u542b\u307e\u308c\u3001\u8ffd\u52a0\u306e\u30ea\u30bd\u30fc\u30b9\u3068\u5c02\u9580\u77e5\u8b58\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u92fc\u7ba1\u306b\u95a2\u9023\u3059\u308b\u88fd\u9020\u30d7\u30ed\u30bb\u30b9\u3068\u30b3\u30b9\u30c8\u304c\u3001\u4ed6\u306e\u6750\u6599\u306b\u6bd4\u3079\u3066\u4fa1\u683c\u304c\u6bd4\u8f03\u7684\u9ad8\u3044\u539f\u56e0\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u539f\u6599\u306e\u62bd\u51fa\u30fb\u52a0\u5de5\u3001\u6210\u5f62\u65b9\u6cd5\u3001\u4ed5\u4e0a\u3052\u5de5\u7a0b\u3001\u5404\u7a2e\u5916\u90e8<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"oil tube Chinese high-grade manufacturer,oil tube Chinese best factory,oil tube China high-grade\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/xYYJMqVFOJc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>The manufacturing of steel tubes begins with the extraction of raw materials, primarily iron ore. Iron ore is mined, processed, and converted into molten iron in a blast furnace. This molten iron is then further processed in a basic oxygen furnace, where impurities are removed, and alloying elements are added to achieve the desired properties. Once the molten iron is transformed into steel, it is cast into billets or blooms, which serve as the starting <a href=\"\/tag\/material\" target=\"_blank\"><strong>Material<\/strong><\/a> for the production of steel tubes.<\/p>\n<p>The next step in the manufacturing process is the formation of the steel tubes. There are different methods employed for this purpose, including seamless and welded processes. Seamless tubes are produced by piercing a solid billet or bloom to create a hollow tube. This process requires specialized equipment and high precision, resulting in a higher cost of production. On the other hand, welded tubes are formed by joining two edges of a flat strip or plate using various welding techniques. While this method is relatively cheaper, it may result in a slightly lower quality compared to seamless tubes.<\/p>\n<p>After the steel tubes are formed, they undergo various finishing processes to meet the desired specifications. These processes include heat treatment, surface treatment, and sizing. Heat treatment involves subjecting the tubes to controlled heating and cooling cycles to enhance their mechanical properties. Surface treatment aims to improve the <a href=\"\/tag\/corrosion-resistance\" target=\"_blank\"><strong>Corrosion resistance<\/strong><\/a> and appearance of the tubes through techniques such as galvanizing or painting. Sizing is done to achieve the required dimensions and tolerances of the tubes.<\/p>\n<p>Apart from the manufacturing processes, several factors contribute to the cost of steel tubes. One significant factor is the cost of raw materials. The <a href=\"\/tag\/price\" target=\"_blank\"><strong>Price<\/strong><\/a> of iron ore and other alloying elements can fluctuate based on market demand and supply. Additionally, energy costs, labor expenses, and transportation costs also play a crucial role in determining the overall cost of production.<\/p>\n<p>Furthermore, quality control and compliance with industry standards add to the expenses. Steel tubes must meet stringent quality requirements to ensure their safety and reliability. This involves rigorous testing, inspection, and certification processes, which require additional resources and expertise.<\/p>\n<p>In conclusion, the manufacturing processes and costs associated with steel tubes contribute to their relatively higher price compared to other materials. The extraction and processing of raw materials, formation methods, finishing processes, and various external<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u92fc\u7ba1\u306e\u4fa1\u683c\u6c7a\u5b9a\u306b\u304a\u3051\u308b\u539f\u6750\u6599\u306e\u5f79\u5272 \u92fc\u7ba1\u306f\u5efa\u8a2d\u3001\u88fd\u9020\u3001\u30a4\u30f3\u30d5\u30e9\u6574\u5099\u306a\u3069\u3055\u307e\u3056\u307e\u306a\u7523\u696d\u306b\u6b20\u304b\u305b\u306a\u3044\u90e8\u54c1\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u30b3\u30b9\u30c8\u304c\u9ad8\u3044\u305f\u3081\u3001\u305d\u306e\u9ad8\u4fa1\u306a\u6027\u8cea\u306b\u5bc4\u4e0e\u3059\u308b\u8981\u56e0\u306b\u3064\u3044\u3066\u7591\u554f\u304c\u751f\u3058\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u92fc\u7ba1\u306e\u4fa1\u683c\u304c\u9ad8\u3044\u4e3b\u306a\u7406\u7531\u306e 1 \u3064\u306f\u3001\u4fa1\u683c\u3092\u6c7a\u5b9a\u3059\u308b\u969b\u306e\u539f\u6750\u6599\u306e\u91cd\u8981\u306a\u5f79\u5272\u3067\u3059\u3002 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