1 , the production line Name: KGPS500 Kw / 2.5HZ frequency heating equipment 

2 , heating beat: 6-7 minutes 

3 , round steel, bar material: carbon steel . 

4 , round steel, bar diameter: Φ 50 ~ Φ 80 , the length is more than 1.3 times the diameter . 

5 , heating temperature: 1100 °C ~ 1150 °C