Composition in Cs and low Carbon% Mn% (Cr+Mo+V)% Write 0.17 0.9 0 Carbon% Mn%/6 (Cr+Mo+V)%/5 Automatic Computation 0.17 0.15 0.00 CE= 0.32 1 CE value of 0.2 to 0.3 have very good weldability 2 When CE value increases from 0.4 the weld is susceptible t 3 CE of 0.6 shows a very high crack sensitivity 4 Weldability and resistance to hydrogen cracking generally decreases with increasing carbon or martensite in the weld metal or the HAZ, or both. Material CE Pcr Al O6 B 0.48 A53 B 0.5 A216 WCB 0.47 A352 LCB 0.47 High Temp. Service A51 5 Gr55 0.43 Low Temp. Service A51 6 Gr55 0.46 Pressure Vessel Plate A285 Gr A 0.32 Composition in Cs and low Carbon% Si% Mn% Write 0.17 0.9 Carbon% Si%/30 Mn%/20 Automatic Computation 0.17 0.00 0.05 Pcr 0.22
Sheet1Composition in Cs and low alloy steel Composition in Cs
and low alloy steel
Carbon%Mn%(Cr+Mo+V)%(Ni+Cu)%Carbon%Mn%(Cr+Mo+V)%(Ni+Cu)%Write0.170.900WriteCarbon%Mn%/6(Cr+Mo+V)%/5(Ni+Cu)%/15Carbon%Mn%/6(Cr+Mo+V)%/5(Ni+Cu)%/15Automatic
Computation0.170.150.000.00Automatic Computation0000CE=0.32CE=01CE
value of 0.2 to 0.3 have very good weldability2When CE value
increases from 0.4 the weld is susceptible to under bead
cracking3CE of 0.6 shows a very high crack sensitivity4Weldability
and resistanceto hydrogen cracking generally decreases with
increasingcarbon or martensite in the weld metal or the HAZ,or
both.MaterialCEPcrAl O6 B0.48A53 B0.5A216 WCB0.47A352 LCB0.47High
Temp. ServiceA51 5 Gr55 0.43Low Temp. ServiceA51 6 Gr55
0.46Pressure Vessel PlateA285 Gr A0.32Composition in Cs and low
alloy steel Carbon%Si%Mn%Cu%Ni%Cr%Mo%V%5B
Write0.170.9Carbon%Si%/30Mn%/20Cu%/20Ni%/60Cr%/20Mo%/15V%/105B
Automatic Computation0.170.000.05000.000.000.000Pcr0.22