Dear All expert
Welding C45 (1045) steel (Pivot Boss) to S275JR (main
structure)
1045 Pivot Boss is casting part.
S275JR is steel plate
For a project I need to weld a C45 (1045 steel, 0.45% carbon Thick 100
mm) on a S275JR steel ( Thichness 30 mm.)
Joint design & condition weld: T-butt joint, double bevel, CJP. Bevel
at S275JR steel.
preheat 110 C
minimum,. interpass temp 220 C max.
by FCAW process.
A5.20 / E71T-1C
After weld, the problem is crack appear along on surface casting
part (1045 steel)
How to solve this problem.
Thank you very much.
leonardd..
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