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Purpose of pre-heating before welding
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asked
Aug 7, 2017
in
production
by
chandu
(
215k
points)
Preheating before welding is done to
(a) Make the steel softer
(b) Burn away oil, grease etc from the plate surfaces
(c) Prevent cold cracks
(d) Prevent plate distortion
production
gate
welding
1996
preheating
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