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English 
CS-006
BJ-1
This spring can also be divided into the following categories, such as small spring, small compression spring, cylindrical spring, Y-shaped spring and carbon steel spring. The material used is 0.6mm-1.2mm carbon steel wire. The processing technology includes heat treatment, grinding head, chemical oxidation, electroplating, etc. The relationship between the inner diameter and the outer diameter of the spring is that the value of twice the inner diameter plus the upper diameter is the value of the outer diameter.
This spring can also be divided into the following categories, such as small spring, small compression spring, cylindrical spring, Y-shaped spring and carbon steel spring. The material used is 0.6mm-1.2mm carbon steel wire. The processing technology includes heat treatment, grinding head, chemical oxidation, electroplating, etc. The relationship between the inner diameter and the outer diameter of the spring is that the value of twice the inner diameter plus the upper diameter is the value of the outer diameter.
