Spring in the design and development, the choice of materials mainly from the following aspects to consider.

1, make the spring can meet the requirements of customers on product quality.

2, the choice of material can satisfy the requirement of the product processing technology.

3, can get material procurement.

4, the choice of material for processing into spring products has machinability and economical efficiency, high cost performance characteristics.

5, easy should consider material disposal and resource recycling possibilities.

6 scrap, and the choice of materials, processing and finished products such as public damaging, compliance with government laws and regulations, etc.

7, materials meet the product special features, such as: size, process performance, mechanical strength, heat treatment performance, environmental corrosion or influence, magnetic properties, using the environment temperature, etc.