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Some customers are more concerned about the quality of the problem, so for the service life is more important, thorn rope factory will generally recommend the use of high zinc thorn rope or stainless steel thorn rope.

Spring steel wire should have high tensile strength, elastic limit, endurance and fatigue strength, and resistance to impact and oscillation. The strength and endurance objectives, especially to prevent the occurrence of modification cracks, are the key to the consumption of spring wire. The inner quality and outer quality of the wire rod directly affect the function of the wire.