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="UL0OFTnAAL"><a href="https://www.wldsteel.com/ko/classification-of-galvanized-pipes/">아연 도금 파이프의 분류</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.wldsteel.com/ko/classification-of-galvanized-pipes/embed/#?secret=UL0OFTnAAL" width="600" height="338" title="“Classification Of Galvanized Pipes” — API steel oilfield pipeline, casing pipe, OCTG manufacturer and supplier" data-secret="UL0OFTnAAL" 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>Galvanized pipe, also known as galvanized steel pipe, is divided into hot dip galvanized and electric galvanized. Hot dip galvanizing layer thick, uniform coating, strong adhesion, long service life. Electroplating cost is low, the surface is not smooth, corrosion resistance than hot dip galvanized pipe is poor.Galvanized steel tube: hot dip galvanized steel tube steel […]https://www.wldsteel.com/wp-content/uploads/2022/11/OIP-C-3.jpg