Notes on ordering spring steel wire

Precautions for ordering spring wire.
1. It is clear whether to use raw drawn steel wire or lead quenched steel wire;
2. The requirements of steel wire diameter, strength grade and standard number are put forward;
3. If there are special requirements for strength and diameter tolerance, it shall be put forward;
4. Special packaging and marking requirements;
5. The carbon steel spring is suitable for working under the condition of the maximum long-term temperature of 121 ℃, and the alloy spring steel should be selected as the working temperature.