The steel plate is first pressed into a U shape in the forming die, and then pressed into an O shape, and then internal and external submerged arc welding is carried out. Roll Bending the steel plate, and then performing internal and external submerged arc welding. After welding, the diameter is exp

Product name: oil casingMaterial: Carbon steelSize: 400mm*6mm*12mStandard: API 5CTQuantity: 8200 tonsMany cooperations have given the customer full confidence in THREEWAY STEEL.

Spiral welded pipe and straight seam welded pipe have different technical characteristics and production processes. There are many differences and differences in production, different functions and uses, and different values in use. . Below, we make a simple comparison of the technical characteristi

First of all, we need to store the nearly spiral steel pipe in the warehouse, not store it in the open air, and we need to ensure that the storage in the warehouse is clean. Clean and well-drained. If there are weeds or other debris on the ground, it needs to be cleaned and stored. This is to keep t