What is HAZ in welding?
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HAZ will be region between weldment and parent metal where temperature reaches a significant figure which changes the phase or causes significant changes in grain size. For plain carbon steel, increase of grain size is seen in HAZ For alloyed steel, formation of martensite may be there. For aluminiuRead more
HAZ will be region between weldment and parent metal where temperature reaches a significant figure which changes the phase or causes significant changes in grain size.
- For plain carbon steel, increase of grain size is seen in HAZ
- For alloyed steel, formation of martensite may be there.
- For aluminium alloy, formation of partially melted zone and grain growth is seen.
See lessHeat Affected Zone
Heat Affected Zone
See lessHAZ is a near weld zone During welding process electrode and parent metal fused together they form a HAZ. HAZ have high residual stresses
HAZ is a near weld zone During welding process electrode and parent metal fused together they form a HAZ.
See lessHAZ have high residual stresses