Pipes are manufactured from coiled steel that ensures a narrow range of chemical composition, low percentage of harmful impurities (sulfur, phosphorus) and inclusions, minimum difference in wall thickness in the final pipe.

100% of welded seam is annealed that ensures weld seam structure normalization and equal strength both of the weld seam and the base material.

The pipes are manufactured from the following steel groups: 3сп, 09Г2С.

As agreed with the customer, the pipe of intermediate sizes and grades can be manufactured.