- oil quenching steel wire
- 2017-01-17 02:55
- oil quenching steel wire 1.standard .GB/T18983-2003 2.diameter .2.0-17.0mm 3.rapid heating rate and no increased decarbu
- Oil Quenching & Tempering Spring Steel Wire
- 2016-10-29 06:52
- 1.It can be heated by means of eddy current coil induced into itself through high-frequency power. Rapid heating rate an