Preheating accoring EN 1011-2 and SEW 088 based on cet

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PREHEAT CALCULATION ACCORDING TO EN-1011-2 AND SEW 088 (BASED ON CET)
Project
Base Metal
Remarks
MATERIAL ANALYSES
C Mn Mo Cr Cu Ni V Si CE CET
HEAT INPUT CALCULATION Q ( kJ/mm )
A V v (mm/min) Process k-factor k-factors SAW=1,
SMAW=0,8,GMAW=0,8
FCAW=0,8, GTAW=0,6
PAW =0,6		 Q
0.8
HYDROGEN AND MATERIAL THICKNESS
Hydrogen content consumable HD
Material thickness d
Calculation of Formulas Abbr Result
Thickness influence Tpd=160 x tanh(d/35)-110 Tpd
Hydrogen influence TpHD=62 x HD035-100 TpHD
Heat input influence TpQ= (53 x CET-32) x Q-53 x CET+32 TpQ
CET Influence TpCET=750 x CET-150 TpCET
MINIMUM PREHEAT TEMPERATURE Tp IN °C
Expected relative 3D cool down time (T8/5) for buttwelds (assumed F3 factor = 1) t 8/5 in s n/a
DATE SIGN