The straightening of high-precision Cold Drawn Pipes is mainly divided into cold straightening and hot straightening. In such a process, temperature control is the key. In order to achieve the desired straightening effect, one or more different pipe conditions can be performed. Straightening. The main straightening methods used for high-precision Cold Drawn Pipes are pressure straightening, roller straightening, tension straightening and tensile bending straightening, etc. Different materials have different straightening methods, although the principle is different. However, the final processing results are ideal. In this case, the Cold Drawn Pipe can be used in various occasions with high precision.
High-precision Cold Drawn Pipe solution treatment
1. Make the high-precision cold-drawn tube structure and composition uniform, which is especially important for raw materials, because the rolling temperature and cooling rate of each section of hot-rolled pipe are different, resulting in inconsistent structure. At high temperatures, atomic activity is intensified, the σ phase dissolves, the chemical composition tends to be uniform, and a uniform single-phase structure is obtained after rapid cooling.
2. Eliminate work hardening to facilitate further cold work. Through the solution treatment, the lattice recovery of the twist, the elongated and broken crystal grains recrystallize, the internal stress is eliminated, the tensile strength of the steel wire is lowered, and the elongation is increased.
3. Restore the inherent corrosion resistance of high precision Cold Drawn Pipes. Due to the precipitation of carbides caused by cold working, the lattice defects cause the corrosion resistance of the precision Cold Drawn Pipe to decrease. After the solution treatment, the corrosion resistance of the precision Cold Drawn Pipe is restored to the optimum state.http://ht-tube.com/