1.0API 강철 유전 파이프 라인, 케이싱 파이프, OCTG 제조업체 및 공급 업체https://www.wldsteel.com/koWLDSTEELhttps://www.wldsteel.com/ko/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="OcJpyhoGeH"><a href="https://www.wldsteel.com/ko/the-material-of-the-pipeline/">파이프라인의 재질</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.wldsteel.com/ko/the-material-of-the-pipeline/embed/#?secret=OcJpyhoGeH" width="600" height="338" title="“The Material Of The Pipeline” — API steel oilfield pipeline, casing pipe, OCTG manufacturer and supplier" data-secret="OcJpyhoGeH" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://www.wldsteel.com/wp-includes/js/wp-embed.min.js </script>Application: Used for gas, water and oil transportation in petroleum and natural gas industry API SPEC 5L-2011 (Pipeline Specification), developed and published by the American Petroleum Institute, is used worldwide. The main material of the tube is L245, L290, L360, L415, L480, GR.B, X42, X46, X56, X65, X70, X80, X100 and other steel grade.https://www.wldsteel.com/wp-content/uploads/2022/12/WC0W2B6TM1E8XOPAN6-1030x614.png