Outer diameter: 1/2â??20â?? or 21.3-508mm Wall thickness: 2-40mm Length: 5.8m/ 6m/ 11.8m/ 12m or any fixed length as per customer request Place of origin: China Company Hebei Borun Steel Trade Co., Ltd Process form Hot rolled,Cold drawn Production Standard ASTM,DIN,JIS,GB,EN,BS,API 5L,API 5CT Production Standard 20#, Q345, A106/53B, A179, S275, S355,GR.B/X42/X46/X56, ST44/37/ A500, J55-P110 packing details Steel Strips bundled/In Bulk, Plastic Caps connected, waterproof plastic Transport port Tianjin port MOQ 10 Ton Payment term T/T,L/C Application Tu bing is used in extracting petroleum & natural gas. Ca ing pipe serves as wall of well.etc If youâ??re thinking about seamless steel pipelines for your following commercial pipe project, please call us and ask for a quote. Borun As a China prominent steel pipe vendor, we could provide you with the items you need and promptly ship your order to anywhere in the globe.