Stainless Steel Annealing & Pickling Line

Stainless steel cold-rolled annealing & pickling process includes intermediate and finished annealing & pickling, and it is mainly to eliminate work hardening by recrystallizing the cold-rolled stainless steel after annealing, and to achieve the goal of softening and improving mechanical properties, and eliminate impurities such as iron oxide scale generated during annealing process through acid washing, thus further improve the strip surface quality.
The designed and researched stainless steel annealing & pickling line by Wuhan Qianye includes stainless steel hot-rolled annealing & pickling line (HAPL) and stainless-steel cold-rolled annealing & pickling line (CAPL). 

Stainless steel cold-rolled annealing & pickling process includes intermediate and finished annealing & pickling, and it is mainly to eliminate work hardening by recrystallizing the cold-rolled stainless steel after annealing, and to achieve the goal of softening and improving mechanical properties, and eliminate impurities such as iron oxide scale generated during annealing process through acid washing, thus further improve the strip surface quality.
The designed and researched stainless steel annealing & pickling line by Wuhan Qianye includes stainless steel hot-rolled annealing & pickling line (HAPL) and stainless-steel cold-rolled annealing & pickling line (CAPL). 

Mill Function 
The main function of stainless steel hot-rolled annealing & pickling line is to anneal, shape correction, mechanical derusting and chemical derusting of stainless steel hot-rolled black skin coil materials of different steel type, and to obtain good strip shape, and the mechanical properties and surface requirements of various stainless steel No.1 product in compliance with international standards.
1. The hard stainless steel raw material can resume its process properties by annealing crystallization;
2. Washing the oxide formed during annealing the strip surface by pickling to obtain a uniform clean surface;
3. The strip surface is hardened by smoothing and pulling. Improve brightness and plate shape to meet customer's requirements of surface quality and subsequent processing needs;
4. The combination of continuous pickling process and annealing process can save users’ cost and increase production yield and product quality.

Mill Function 
The main function of stainless steel hot-rolled annealing & pickling line is to anneal, shape correction, mechanical derusting and chemical derusting of stainless steel hot-rolled black skin coil materials of different steel type, and to obtain good strip shape, and the mechanical properties and surface requirements of various stainless steel No.1 product in compliance with international standards.
1. The hard stainless steel raw material can resume its process properties by annealing crystallization;
2. Washing the oxide formed during annealing the strip surface by pickling to obtain a uniform clean surface;
3. The strip surface is hardened by smoothing and pulling. Improve brightness and plate shape to meet customer's requirements of surface quality and subsequent processing needs;
4. The combination of continuous pickling process and annealing process can save users’ cost and increase production yield and product quality.

Main Technical Parameters

Annual capacity 350,000 t/a
Material AISI200,300,400
Metal thickness 0.3-3.0mm
Finished metal thickness 0.3-3.0mm
Metal width 800～1550mm
Coil diameter 1000~2000mm
Process speed Max. 200m/min
Mill total length 250m
Max. TV value Max.200

Main Technical Parameters

Annual capacity 350,000 t/a
Material AISI200,300,400
Metal thickness 0.3-3.0mm
Finished metal thickness 0.3-3.0mm
Metal width 800～1550mm
Coil diameter 1000~2000mm
Process speed Max. 200m/min
Mill total length 250m
Max. TV value Max.200

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