What Is The Processing Technology Of Stainless Steel Capillary?

1. The annealing

Annealing refers to the heat treatment process in which the metal is slowly heated to a certain temperature, held long enough, and then slowly cooled (usually with furnace cooling). Its purpose is to reduce hardness and improve machinability; Eliminate residual stress, stabilize size, reduce deformation and crack tendency; It is a metal heat treatment process to refine grain, adjust microstructure and eliminate microstructure defects. At the same time, annealing is divided into general annealing and bright annealing. General annealing is annealing without the action of protective gas; Bright annealing is annealing in the state of protective gas.

2, online bright solution

On-line bright solid solution refers to the heat treatment process in which the stainless steel is heated to 1100℃ and the solid solution is maintained at a constant temperature, so that the carbides are completely or basically dissolved, and then cooled to room temperature quickly to obtain the carbon supersaturated solid solution. This process improves toughness and corrosion resistance and eliminates stress and softening for further machining or molding. Solution is generally used in products with mechanical properties requirements for pipe fittings, that is to say, online solution is a process when making stainless steel pipe fittings, so that the bending forming, flaring, shrinking and other processes of pipe fittings can be achieved after the process.

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