Tube Furnace Program Calculator

Generates C/T setpoint table from target temperature and hold time.

Max temp 1600 °C · Ramp/drop rate 5 °C/min · Initial temp C01 = 0 · Preheat holds 300, 800, 1200 °C for 20 min each · Programmed cool to 500 °C, then natural cooling (end marker T = -121).