(a) Material selection: for heavy sections, alloy content should be limited as indicated by the
(b) Design to minimise restraint: where restraint is unavoidable, consideration should be given to
(c) Use of a higher preheat temperature: dressing the toes of fillet and nozzle attachment welds; use
The literature indicates that reheat cracking may be avoided by the following means:
Japanese formulae and vanadium should be limited to 0.10% maximum.
intermediate PWHT after the vessel is part welded.
of a lower-strength weld metal