升育鋼鐵--黑鋼管、錏板管、矩方形管專業製造廠-- ASTM A53

Outside Diameter. 外徑. Nominal. Wall Thickness. 標稱壁厚. Schedule No. 標稱厚度號數. Nominal Weight (Mass). Per Unit Length, Plain End. 單位重量 (無螺紋及 ...

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