Hardware Stainless Steel Capillary Processing Technology Has What?

1. The annealing

Annealing refers to the heat treatment process of slowly heating a metal to a certain temperature, holding it for a sufficient time, and then slowly cooling (usually with the 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 in the absence of protective gas annealing; The bright annealing is the annealing in the state of the protective gas.

2, online bright solid solution

On-line bright solid solution refers to the heat treatment process in which the stainless steel is heated to 1100℃ or so in the solid melting state, so that the carbide is completely or basically dissolved, and then rapidly cooled to room temperature to obtain carbon supersaturated solid solution. This process improves toughness and corrosion resistance, eliminates stress and softens for further processing or molding. Solid solution is generally used for pipe fittings with mechanical properties requirements in the product, that is to say, online solid solution is a process when making stainless steel pipe fittings, so that the bending molding, flaming, shrinkage of pipe fittings and other processes.

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