Page 176 - CITS - Welder - Trade Theory

WELDER - CITS

Fig 3

Types of weld defects, Causes and remedy in GMAW

Objectives: At the end of this lesson you shall be able to
• describe the types of weld defects
• explain the weld defects causes
• explain the defects remedy in GMAW.

1 Excessive spatter- scattering of molten metal particles that cool to solid form near weld bead.

Fig 1

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CITS : C G & M - Welder - Lesson 49 - 60