... G3441-1994JIS G3444-19943 Outer Diameter16-2734 Wall Thickness1-16mm5 Length3-16m,or according to your request6 PackingSmall size, in bundles, ... tubes for manufacturing pipelines ,vessels ,equipment and mechanical structures11 Export to these countryMiddle east countries, India, USA, Canada , Chile, ... your advise of our factory and we will hand in hand with you to develop the more prosperity future!!