Carbon Steel Welded / Erw Pipe, Material : Q235, Q345 Products Detail Material - Q235, Q345, A53B, A106B, API 5L B, X42, X46, X52, X60, X65 Length - Fixed: 5.8, 6.0, 11.8, 12.0m Random length: 5-12m Standard - ASTM A53, A106, API 5L, ASME B36 Size1/2 - NB - 24 NB Wall Thickness - SCH10, SCH20, SCH30, STD, SCH40, SCH60, XS, SCH80, SCH100, SCH120, SCH140, SCH160, XXS DIN