1. The edge of the pulley used for the tower crane wire steel ropes should not have cracks and gaps.

We often use things made from stainless steel in our daily life, such as utensils, tools, etc. Some of these stainless steel items will be used as food containers, and some will be used as tools.

In order to make the steel wire have better working characteristics and relatively longer service life, some measures must be taken to prevent the steel wire from being damaged during the maintenance and use of the steel wire.

Carbon spring steel wire should have the features of high tensile strength, elastic limit, toughness and fatigue strength, and be resistant to shock and vibration. To ensure strength and toughness, especially preventing torsional cracks, is the key to producing spring steel wires.