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Home > ProductsOutside Diameter:∮114.3-∮323.9mm Thickness:3.5mm-11mm Standard:API 5L SY5297
Outside Diameter:∮21.3mm-∮323.9mm Thickness:2.0mm-11mm Standard:ASTM A53 BS 1387 GB/T3092 GB/T13793等
Outside Diameter:∮21.3mm-∮114.3mm Standard:BS 21 GB 7306 ASTM A53 BS 1387
Outside Diameter:∮114.3-∮323.9mm Thickness:3.5mm-11mm Standard:API 5L 5CT