Interpass Temperature Calculator

Determine maximum interpass temperature limits.

Typical Interpass Limits

Material Max Interpass Notes
Carbon Steel315°C (600°F)General limit
Low Alloy260°C (500°F)Controls HAZ
Q&T Steel230°C (450°F)Preserve properties
Austenitic SS175°C (350°F)Sensitization
Duplex SS150°C (300°F)Phase balance
Nickel Alloys150°C (300°F)Cracking control