What tempering temperatures are used after coiling springs?
Material for springs
- Carbon steel 1.1200 - 270°C - 0,5 hours* - air cooling
- Stainless steel 1.4310 - 380°C - 0,5 hours - air cooling
- Stainless steel 1.4568 - 450°C - 1,0 hours - air cooling
- Stainless steel 1.4571 - 450°C - 1,0 hours - air cooling
- Beryllium copper 2.1247 - 310 bis 320°C - 2,0 hours - air cooling
* time
- d~1mm > 5min
- d~10-15 mm 10-25 min
- d~20mm > 30min