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How to improve the surface quality of heat treat steel strip and stain resistance
Standard tone processing strip color from pale yellow to dark brown or from blue to dark blue, even the same color in the strip surface.
For this reason, we research the problem and develop the new technology to change spring steel surface for heat treatment processes tone was
optimized equipment has been improved to ensure the stability of the mechanical properties of the product, good flatness premise, greatly improve the
surface quality of the blue steel strip.