The Dongdong Pipeline has a designed annual oil transport capacity of 15 million tons, a total length of 365 kilometers, and mainly transports imported crude oil to Qingdao Port.
3PE reinforced anti-corrosion spiral steel pipe and straight seam submerged arc welded steel pipe. The pipeline conforms to API 5L and SY/T 0413 standards, with a three-layer polyethylene anti-corrosion coating, a cathodic disbondment radius ≤8mm, and an impact strength ≥20J/mm.
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