Page 40 - CITS - Welder - Trade Theory
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WELDER - CITS
Fig 2
• Root gap: It is the distance between the parts to be joined. (Fig 3)
Fig 3
• Heat affected zone: Metallurgical properties have been changed by the welding heat adjacent to weld.(Fig 4)
Fig 4
• Leg length: The distance between the junction of the metals and the point where the weld metal touches the
base metal ‘toe’ (Fig 5)
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CITS : C G & M - Welder - Lesson 6&7