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Annealing steel strip

At present, the main types of annealed steel strips we produce are: full hydrogen annealing steel strip, spheroidizing annealing steel strip, general annealing steel strip
 
Full hydrogen annealing : using full hydrogen as the protective gas during annealing,not only significantly improves the heat transfer efficiency and the annealing capacity of the bell furnace, but also improves the uniformity of the furnace temperature, ensure the mechanical properties of the steel strip, and improve the intrinsic quality and surface quality of cold rolled plates.
Product Description
At present, the main types of annealed steel strips we produce are: full hydrogen annealing steel strip, spheroidizing annealing steel strip, general annealing steel strip
 
Full hydrogen annealingusing full hydrogen as the protective gas during annealing,not only significantly improves the heat transfer efficiency and the annealing capacity of the bell furnace, but also improves the uniformity of the furnace temperature, ensure the mechanical properties of the steel strip, and improve the intrinsic quality and surface quality of cold rolled plates.

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Spheroidizing annealingSpheroidizing annealing is an annealing process to spheroidize carbides in steel. Our factory can achieve the spheroidization rate Min 95%.
 
Heat the steel to 20~30℃ above Ac1, keep it for a period of time, then slowly cool to a temperature slightly lower than Ac1, and stay for a period of time to complete the transformation of the structure, and obtain spherical or granular carbide structure uniformly distributed on the ferrite matrix .
 
Spheroidizing annealing is mainly used for hypereutectoid carbon steels and alloy tool steels (such as steels used in manufacturing cutting tools, measuring tools, and molds). Its main purpose is to reduce hardness, improve machinability, and prepare for subsequent quenching. This process is conducive to plastic processing and cutting, and also improve mechanical toughness.

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General annealingSteel strip is heated to a certain temperature and cooled slowly after sufficient heat preservation to obtain an independent operation process of balanced structure. The purpose is to improve the plasticity of the steel, facilitate the forming process, reduce the hardness of the steel, facilitate the cutting process, refine the grain, and uniform the structure to improve the toughness of steel

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Main steel gradeCK45/CK50/CK55/CK60/CK67/CK75/SK5/SK85/51CrV4/50CrV4/60Si2MnA/T8A/T10Aetc.

Thickness 0.2-6.0mm
Width 8-600mm
Annealed strength 140-200HV 
Monthly average capacity 1500 ton*12
Coil weight According to customer's requirement
Inner diameter 300-500mm
Delivery time 15-20 days

 

Packaging
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Major application:
1)Car Manufacturing: car clutch diaphragm spring, friction plate, car seat belt buckle, seat slide, bearing ring,Car engine valve rocker arm, etc.
2)Various door locks 
3)Shock-absorbing disc spring washer
4)Shoe accessories, etc.
5)Hairpin, pin etc.

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