a result of the steel billet

Recent cold hot rolled coil prices had been mainly the next causes: First, the worth rose too fast early, the money market more worthwhile sources, topic to "be secured" psychological the impact of worth cuts transport operators have robust will; 2 is affected by the affect of national economic coverage high-quality-tuning,mild steel seamless pipes inventory and futures markets a correction, e-plate steel prices fall, driving down the spot market value of panic.

In addition, as a result of the steel billet is after hot-rolled into plate, then became the coil winding, coiling temperature of 500-600 degrees Celsius, and due to this fact it can't be stratified UT flaw in the metal mills, coil high quality can not be assured. The standard of production work, quality of merchandise is managed by the Nationwide Middle for Certification and Quality Management of Building of Oil and Gasoline Business of the State Technical Supervision of Ukraine.b