straight seam welded pipe:
1.outside size:21mm-610mm
2.Material:Q195,Q235,Q345 and so on.
3. criterion for Implementation: GB/T3091,GB/T9711,API 5L, API 5CT,  BS1387-1985

4. Usage: used for pressure liquid delivery such as water, gas, oil and also industrial pipelines and construction.
     We can also supply other steel pipes like seamless steel pipe, spiral steel pipe, hot-rolled, cold-rolled, hot-expanded tube, square pipe and rectangular pipe.
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     Should any of the items be of interest to you, please let us know. We shall be glad to give you our lowest quotations upon receipt of your detailed requirements.

     With strong technical force and production capacity, we are confident to provide you the most competitive price and satisfying after-sale service.