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Large Diameter Seamless Steel Pipe1,Specification:Material:1, ASTM A53, A106, A210, A252, A333 etc;2, X42, X46, X52, X60, X65, X70 etc;3, JIS STPG42, G3454, G3456 etc;4, Germany St37, St42, St45, St52, DIN1626, DIN171755, China 20#, Q345, 16Mn etc.Max Outer diameter: 1219mmMax Wall thickness: 60 mmSurface treatment: Chromate, fingerprint resistant treatment, slight oiled or non-oiled, dry.ToleranceOD: /-5%; Thickness: /-5%; Length: /-10%.StandardGB/T3091, BS1387-1987, ASTM A53, DIN2440, EN39-2001.Main Material: (Carbon Steel
