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API 5L En10219 ASTM A53 Submerged Arc Welded Straight-Seam Electric-Welded Steel Pipes Structure Pipe Oil Pipe Hot Rolled, Find Details and Price about Spiral Submerged Arc Welded Steel Pipe Welded Steel Pipe from API 5L En10219 ASTM A53 Submerged Arc Welded Straight-Seam Electric-Welded Steel Pipes Structure Pipe Oil Pipe Hot Rolled - Yangtze Steel Group (China) Co., Ltd.