Permitted values
Carbon equivalent CET 0,18 bis 0,45
Hydrogen content according DIN 8572 HD1 to HD20
Plate thickness 10 mm to 90 mm
Applied heat 1,0 kJ/mm to 4,0 kJ/mm

For more information on the minimum preheating temperature, please click here. 
If the value of the carbon equivalent CET is not known, it can be calculated from the chemical composition of the material