Welding Inspection & Metallurgy API ICP Self Study Notes

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4.3.2 <strong>Welding</strong> Parameters and Techniques Confirm welding parameters and techniques are supported by the WPS and WPQ. 4.3.2.1 Quality control items to assess: a. Essential variables are being met during welding. 1. Filler material, fluxes, and inert gas composition/flow rate. 2. Purge technique, flow rate, O 2 analysis, etc. 3. Rod warmers energized or where rod warmers are not employed, the welder complies with maximum exposure times out of the electrode oven. 4. Preheating during tack welding and tack welds removed (if required). 5. <strong>Welding</strong> technique, weld progression, bead overlap, etc. 6. Equipment settings such as amps, volts, and wire feed. 7. Preheat and interpass temperatures. 8. Travel speed (key element in heat input). 9. Heat input (where appropriate).
. Mock-up weldment, if required, meets requirements with welder and welding engineer. c. Welder displays confidence and adheres to good welding practices. 4.3.2.2 Potential inspector actions: a. Review mock-up weldment problems with welding engineer. b. Review welder quality with welding organization. c. See Appendix B.
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Welding Inspection & Metallurgy API
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http://myicp.api.org/DirectorySearc
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This recommended practice provides
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http://www.smt.sandvik.com/en/searc
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Content: 1 SCOPE 2 REFERENCES 2.1 C
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6 WELDING PROCEDURE 6.1 General 6.2
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10 METALLURGY 10.1 General 10.2 The
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1 Scope
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API 577 is to aid the inspector in
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API Std 653 Tank Inspection, Repair
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How this API Standard relates with
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API 510: 8.1 SCOPE AND SPECIFIC EXE
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The level of learning and training
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Study Harder
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Problems encountered during welding
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Welds selected for inspection, and
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A welding engineer should be consul
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2 References
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API • API 510 Pressure Vessel Ins
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AWS • A2.4 Standard Symbols for W
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API • RP 572 Inspection of Pressu
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3 Definitions
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Fillet Weld Actual throat Theoretic
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Arc strike
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Arc blow
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3.12 burn-through: A non-standard t
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3.16 defect: A discontinuity or dis
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3.22 fillet weld size: For equal le
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Electrodes
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HAZoning
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3.26 heat input: the energy supplie
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Hot cracking
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Hot cracking http://en.wikipedia.or
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3.31 inspector: An individual who i
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Qualified & Certified Inspectors ht
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Qualified & Certified Inspectors
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Figure A-1—Joint Types and Applic
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Figure A-1—Joint Types and Applic
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lamellar tear
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Longitudinal crack
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PMI
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PMI
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PMI
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3.45 peening: The mechanical workin
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Porosity
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Slag Inclusions
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Slag inclusions http://www.ge-mcs.c
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Porosity
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3.61 tungsten inclusion: A disconti
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Transverse crack
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Page 138 and 139: TIG Welding - Tungsten Inclusions
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Page 142 and 143: weldment: An assembly whose compone
Page 144 and 145: weld reinforcement weld toe
Page 146 and 147: weld reinforcement weld toe
Page 148 and 149: 4 Welding Inspection
Page 150 and 151: 4.2 TASKS PRIOR TO WELDING The impo
Page 152: 4.2.1 Drawings, Codes, and Standard
Page 157 and 158: i. Preheat requirements and accepta
Page 159 and 160: Review requirements for the weldmen
Page 161 and 162: 4.2.2.1 Quality control items to as
Page 166: 4.2.4 NDE Information Confirm the N
Page 170 and 171: Welding Equipment and Instruments
Page 172 and 173: 4.2.6 Heat Treatment and Pressure T
Page 174 and 175: 4.2.7 Materials Ensure all filler m
Page 176 and 177: Materials
Page 180 and 181: Weld Preparation- Fit-up & Dimensio
Page 182 and 183: 4.2.10 Welding Consumables Confirm
Page 185: 4.3.1 Quality Assurance Establish a
Page 189 and 190: In-process ferrite measurement
Page 191 and 192: In-process ferrite measurement Why
Page 193 and 194: Schaeffer diagram
Page 195 and 196: 4.4.1 Appearance and Finish Verify
Page 197 and 198: Field hardness check
Page 199 and 200: 4.4.2 NDE Review Verify NDE is perf
Page 201 and 202: 4.4.3 Post-weld Heat Treatment Veri
Page 203 and 204: PWHT Procedure
Page 205 and 206: Metal temperature of component meet
Page 207 and 208: 4.5 NON-CONFORMANCES AND DEFECTS At
Page 209 and 210: 4.7 SAFETY PRECAUTIONS Inspectors s
Page 211 and 212: Sevan Driller I
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Welding Inspection & Metallurgy API ICP Self Study Notes

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