{"version":"1.0","provider_name":"API \uac15\ucca0 \uc720\uc804 \ud30c\uc774\ud504 \ub77c\uc778, \ucf00\uc774\uc2f1 \ud30c\uc774\ud504, OCTG \uc81c\uc870\uc5c5\uccb4 \ubc0f \uacf5\uae09 \uc5c5\uccb4","provider_url":"https:\/\/www.wldsteel.com\/ko","author_name":"WLDSTEEL","author_url":"https:\/\/www.wldsteel.com\/ko\/author\/admin\/","title":"Petroleum casing heat treatment to improve toughness - API steel oilfield pipeline, casing pipe, OCTG manufacturer and supplier","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"yaOrMh8Ilx\"><a href=\"https:\/\/www.wldsteel.com\/ko\/petroleum-casing-heat-treatment-to-improve-toughness\/\">\uc778\uc131 \ud5a5\uc0c1\uc744 \uc704\ud55c \uc11d\uc720 \ucf00\uc774\uc2a4 \uc5f4\ucc98\ub9ac<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.wldsteel.com\/ko\/petroleum-casing-heat-treatment-to-improve-toughness\/embed\/#?secret=yaOrMh8Ilx\" width=\"600\" height=\"338\" title=\"&#8220;Petroleum casing heat treatment to improve toughness&#8221; &#8212; API steel oilfield pipeline, casing pipe, OCTG manufacturer and supplier\" data-secret=\"yaOrMh8Ilx\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.wldsteel.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","description":"Petroleum casing emerged not only for oil extraction but also as a pipeline for transporting raw materials. In order to strengthen the quality of petroleum casing, every link in the production process is particularly important, especially the temperature control during the period, which must be mastered in strict accordance with the regulations. Usually, the petroleum [&hellip;]"}