welded pipe-ERW/LSAW/SSAW
1)name: welded pipe-ERW/LSAW/SSAW 2)standard:GB/T 3091-2001,GB/T 9711,API 5L 3)material:Q195,Q235,Q345 etc
welded pipe-ERW/LSAW/SSAW
welded pipe-ERW/LSAW/SSAW
1)name: welded pipe-ERW/LSAW/SSAW 2)standard:GB/T 3091-2001,GB/T 9711,API 5L 3)material:Q195,Q235,Q345 etc
welded pipe-ERW/LSAW/SSAW
welded pipe-ERW/LSAW/SSAW