Post on 10-Jan-2016
transcript
Macro TestingMacro Testing
Practical Exercise – PCN WI Level 2Practical Exercise – PCN WI Level 2
2 Photographs taken from original 2 Photographs taken from original MacrosMacros
Assess Accept/Reject in Accordance withAssess Accept/Reject in Accordance with
BS EN ISO 5817:2003 – Table 1 Quality BS EN ISO 5817:2003 – Table 1 Quality Level BLevel B
Macro Sample 1
Macro Sample 1
Slag with Lack of Sidewall Fusion5 x 2 mmReject
Slag Inclusion1 x 0.6 mmAccept
Gas Pore0.5 mmAccept
Sample is Rejected
Undercut0.4 mmAccept
Reject
Angular
Distortion
Macro Sample 2
Macro Sample 2
Slag Inclusion0.5 mmAccept
Elongated Gas Pore or Slag1.6 x 0.5 mmAccept
Elongated Gas Pore or Slag1.4 x 0.4 mmAccept
Cap Height4 mmAccept
Sample is Accepted
Macro Sample 3
Macro Sample 3Porosity 6 x 3 mm = 18 mmLess than 4%Accept
Root Concavity1 mm DeepReject
Undercut0.4 mm DeepAccept
Sample is Rejected
Approx 100°
Angular
Distortion Reject
Macro Sample 4
Macro Sample 4
Incomplete Filled Groove0.7 mm Deep - Reject
Undercut 0.4 mm Deep Accept
Lack of Root FusionReject
Sample is Rejected
Misalignment
1.5mmAccept
Macro Sample 5
Macro Sample 5
Slag Inclusion2.5 x 2 mmReject
Slag Inclusion1.5 x 1 mmAccept
Root UndercutAccept
Sample is Rejected
Angular DistortionReject
Macro Sample 6
Macro Sample 7
Macro Sample 6
Slag Inclusion1.5 x 1 mmAccept
Slag Inclusion1 x 1 mmAccept
Incomplete Filled Groove0.4 mm Deep - Accept
Sample is Accepted
Macro Sample 7
Lack of Root FusionReject
Sample is Rejected
90°
Incorrect Weld ToesReject
90°
Angular Distortion
Accept
Macro Sample 8
Macro Sample 8
Lack of Root PenetrationReject
Sample is Rejected
90°
Incorrect Weld ToeReject Poor Profile (crack starter)
Angular Distortion
Reject
Macro Sample 9
Macro Sample 9
Porosity 7 x 14 mm = 98 mm²26% of Weld AreaMore than 4% - Reject
Total Weld Area15 x 25mm = 375 mm²
Sample is Rejected
Macro Sample 10
Macro Sample 10
Sample is Rejected
CrackReject
Undercut 0.4 mm Deep Accept
Lack of Root Fusion both Sides of Root = Lack of Root Penetration - Reject
Approx.100°
Angular Distortion
Reject
Macro Sample 11
Macro Sample 11
Lack of Root PenetrationReject
Sample is Rejected
Slag Inclusion2.5 x 1 mmReject
Lack of Root PenetrationReject
90°
Incorrect Weld ToeReject
Angular Distortion
Reject
Macro Sample 12
Macro Sample 12
Lack of Root Fusion both Sides of Root = Lack of Root Penetration - Reject
Lack of Sidewall FusionReject
Undercut 0.4 mm Deep Accept
Sample is Rejected
Approx.100°
Incorrect Weld ToeReject
Angular Distortion
Reject
Macro Sample 13
Macro Sample 13
Lack of Root FusionReject
Cap Height4 mmAccept
Slag Inclusion2.5 x 1 mmReject
Misalignment 2mmAccept
Sample is Rejected
Macro Sample 14
Macro Sample 14
Lack of Root Fusionwith Slag 4 x 1 mmReject
Slag Inclusion1.5 x 1 mmAccept
Cap Height5.5 mmReject
Sample is Rejected
Macro Sample 15
Macro Sample 15
Slag Inclusion1.5 x 1 mmAccept
Slag Inclusion1 x 1 mmAccept
CrackReject
Incomplete Filled Groove0.4 mm Deep - Accept
Sample is Rejected
Macro Sample 16
Macro Sample 16
Slag Inclusion1.5 x 1 mmAccept
Porosity 3 x 3 mm = 9 mm²Less than 4%Accept
Incomplete Filled Groove0.4 mm Deep - Accept
Sample is Accepted
Macro Sample 17
Macro Sample 17
CrackReject
Incomplete Filled Groove0.7 mm Deep - Reject
Undercut 0.4 mm Deep Accept
Sample is Rejected
Angular Distortion
Reject
Macro Sample 18
Macro Sample 18
Lack of Sidewall FusionReject
Lack of Inter-run FusionReject
Elongated Gas Pore1.5 x 0.5 mmAccept
Sample is Rejected
Angular Distortion -Accept