Welding Defects

  • Uploaded by: Jayesh
  • 0
  • 0
  • November 2019
  • PDF

This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA


Overview

Download & View Welding Defects as PDF for free.

More details

  • Words: 272
  • Pages: 32
WELDING INSPECTORS WORKSHOP

1

WELDING INSPECTION Welding inspection is used to verify that welding has been performed in accordance with the appropriate welding procedure and that the result has produced a compliant weld Welding inspection techniques include visual inspection, non-destructive and destructive testing as well as audits of the process A defect is a condition of the weld that is out-with the boundaries of acceptability in relation to the particular standard 2

3

4

5

6

7

8

9

10

11

12

Linear Misalignment

Manual Metal

Offset or Mismatch

Arc Welding MMA

High-low

13

Offset or Mismatch

Manual Metal

with lack of Root

Arc Welding MMA

Fusion

14

Cap concavity or insufficient fill

Manual Metal Arc Welding MMA

15

Excessive root penetration

Manual Metal Arc Welding MMA

16

External Undercut

Manual Metal Arc Welding MMA

17

Root Undercut

Manual Metal Arc Welding MMA

18

Root Concavity (suck back)

Manual Metal Arc Welding MMA

19

Root burn-through

Manual Metal Arc Welding MMA

20

Incomplete or lack of root penetration

Manual Metal Arc Welding MMA

21

Inter-pass Slag Inclusions

Manual Metal Arc Welding MMA

22

Elongated Slag lines (wagon tracks)

Manual Metal Arc Welding MMA

23

Lack of side wall fusion

Tungsten Inert Gas Welding TIG

24

Inter-pass cold laplack of side wall fusion

Tungsten Inert Gas Welding TIG

25

Scattered Porosity

Manual metal arc welding MMA

26

Cluster Porosity

Manual metal arc welding MMA

27

Root aligned porosity

Tungsten Inert Gas Welding TIG

28

Transverse cracks

Tungsten Inert Gas Welding TIG

29

Longitudinal crack

TIG/MMA

30

Longitudinal root crack

Manual metal arc welding MMA

31

Tungsten inclusions

Tungsten Inert Gas Welding TIG

32

Related Documents

Welding Defects
December 2019 24
Welding Defects
November 2019 47
Welding
May 2020 31
Welding
June 2020 25
Welding
October 2019 49

More Documents from ""

Ilo Crane Testing
November 2019 50
Welding Defects
November 2019 47
Hot Rolled Pressure Vessels
November 2019 20
Is Standard
November 2019 27
Ibr
November 2019 47