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NDT CODE BOOK FOR ASME SECTION 1 ASME B31.1 ASME B31.3 ASME SECTION 5 ASME SECTION 8 AWS D1.1 API 1104 MASTER COPY PENETRAMETER SELECTION Note: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest. Welds without reinforcement: S/S Wire: 0.008 Esn. Wire: A2 S/S Hole: 12 F/S Wire: 0.006 Esn. Wire: A3 F/S Hole: 10 Welds with reinforcement: S/S Wire: 0.008 Esn. Wire: A2 S/S Hole: 12 F/S Wire: 0.006 Esn. Wire: A3 F/S Hole: 10 Maximum allowable reinforcement: 0.0625"/per side Maximum reinforcement with DWE/SWV: 0.125" Total of walls + reinforcement: 0.343" 16.8402 mm Maximum reinforcement with DWE/DWV: 0.125" Total of walls + reinforcement: 0.343" 16.8402 mm Maximum reinforcement with SWE/SWV: 0.0625" Total of wall + reinforcement: 0.172" 4.3688 mm INADEQUATE PENETRATION WITHOUT HIGH LO W Maximum length of individual indication of IP : 1 inch or 25mm Maximum length of IP in 8% of weld: 15.1770 mm Maximum length of indications in any continuous 12" length of weld : N/A since total weld is under 12 inche s INADEQUATE PENETRATION DUE TO HIGH LO W Maximum length of individual indication of IPD: 2 inches or 50mm Maximum length of indications of IPD in any continuous 12" length of weld : N/A since total weld is under 12 inches. INADEQUATE CROSS PENETRATION Maximum length of an individual indication of ICP: 2 inches or 50mm Maximum length of indications of ICP in any continuous 12" length of weld : N/A since total weld is under 12 inches. INCOMPLETE FUSION Maximum length of an individual indication of IF: 1 inch or 25mm Maximum length of IF in 8% of weld: 15.1770 mm Maximum length of indications of IF in any continuous 12" length of weld : N/A since total weld is under 12 inches. INCOMPLETE FUSION DUE TO COLD LAP Maximum length of individual indications of IFD: 2 inches or 50mm Maximum length of IFD in 8% of weld: 15.1770mm Maximum length of indications of IFD in any continuous 12" length of weld : N/A since total weld is under 12 inches. INTERNAL CONCAVITY Any length of IC is acceptable, provided the density of the radiographic image of the internal concavity does not exceed that of the thinnest adjacent parent material. For areas that exceed the density of the thinnest adjacent parent material, the criteria for burn through are applicable. BURN - THROUGH Maximum dimension of BT's image : unacceptable if it exceeds that of the thinnest adjacent parent metal. Maximum dimension of BT: 1/4" or 6mm Maximum dimension is unacceptable if: it exceeds the thinner of the nonnal wall thickness joined, and the density of the BT's image exceeds that of the thinnest adjacent parent material. The sum of the max dimensions of separate B BT's whose image density exceeds that of the thinnest adjacent parent material exceeds 1/2 inch or 13mm in any continuous 12" length of weld or the total weld length(whichever is less) . API - 1104 2" s/10 - 0.109" Wall Page 1 of 2 API - 1104 2" s/10 - 0.109" Wall SLAG INCLUSIONS Elongated slag inclusions (ESI) Maximum length of an ESI: 2 inches or 50mm Parallel ESI indications (Wagon Tracks) shall be considered a single indication unless the width of either of them exceed 1/32" or 0.8mm. In that event they shall be considered separate indications. Maximum length of ESI indications in any continuous 12" length of weld: N/A since total weld is under 12 inches. Maximum width of an individual ESI indication: 1/16" or 1.6mm Isolated slag inclusions (ISI) Maximum length of ISI indications in any continuous 12" length of weld: N/A since total weld is under 12 inches. Maximum width of an ISI indication: 1/8" or 3mm Maximum length of ESI and ISI in 8% of weld: 15.1770mm POROSIT Y Individual or Scattered Porosity. Maximum size of an individual pore: 1/8" or 3mm The size of an individual pore exceeds 25% of the thinner of the nonimal wall thickness joined. The distribution of scattered porosity exceeds the concentration permitted in Figures 19 or 20. Cluster Porosity (CP) Maximum diameter of the cluster: 1/2 inch or 13mm Maximum length of CP indications in any continuous 12" length of w e weld: N/A since total weld is under 12 inches. Maximum length of an individual pore within a cluster: 1/16 inch or 2mm Hollow Bead Porosity (HB) Maximum length of an individual indication of HB: 1/2 inch or 13mm Maximum length of HB indications in any continuous 12" length of weld: N/A since total weld is under 12 inches. Maximum length of HB in 8% of weld: 15.1770mm NOTE: The weld is unacceptable if individual indications of HB, each greater than 1/4 inch or 6mm in length, are seperated by less than 2 inches or 50 mm. CRACKS Note: Any crack which is not a shallow crater crack or star crack is unacceptable. Maximum length of shallow crater cracks or star cracks: 5/32 inch or 4mm UNDERCUTTING Undercutting adjacent to the cover pass (EU) and Undercutting adjacent to the root pass (IU) Maximum length of EU and IU indications (in any combination) in a 12 inch length of weld: N/A Maximum length of EU and IU indications: 1.244 inches or 35.6 mm (This value is 1/6 th of the total weld length ) ACCUMULATION OF IMPERFECTIONS Maximum length of AI indications in any continuous 12 inch or 300 mm length of weld: N/A Maximum length of AI indications of 8% of weld: 15.1770mm RADIOGRAPHIC INFO Pipe O.D. in inches: 2.375 Amount of Penetrameters required for each shot: 1 penny in the center of the weld Total weld length: 7.469" 189.7126mm Cassette size to complete weld in most efficient way: 3.5 x 10" Amount of shots to complete weld with 1" on each side of readable film: 3 8% of weld: 0.59752" 15.1770mm Hole penetrameters are adjacent to the weld and Wire penetrameters are parallel to the weld . Page 2 of 2 PENETRAMETER SELECTION Note: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest. Welds without reinforcement: S/S Wire: 0.008 Esn. Wire: A2 S/S Hole: 12 F/S Wire: 0.006 Esn. Wire: A3 F/S Hole: 10 Welds with reinforcement: S/S Wire: 0.008 Esn. Wire: A2 S/S Hole: 12 F/S Wire: 0.006 Esn. Wire: A3 F/S Hole: 10 Maximum allowable reinforcement: 0.0625"/per side Maximum reinforcement with DWE/SWV: 0.125" Total of walls + reinforcement: 0.433" 10.9982 mm Maximum reinforcement with DWE/DWV: 0.125" Total of walls + reinforcement: 0.433" 10.9982 mm Maximum reinforcement with SWE/SWV: 0.0625" Total of wall + reinforcement: 0.217" 5.5118 mm INADEQUATE PENETRATION WITHOUT HIGH LO W Maximum length of individual indication of IP : 1 inch or 25mm Maximum length of IP in 8% of weld: 15.1770 mm Maximum length of indications in any continuous 12" length of weld : N/A since total weld is under 12 inche s INADEQUATE PENETRATION DUE TO HIGH LO W Maximum length of individual indication of IPD: 2 inches or 50mm Maximum length of indications of IPD in any continuous 12" length of weld : N/A since total weld is under 12 inches. INADEQUATE CROSS PENETRATION Maximum length of an individual indication of ICP: 2 inches or 50mm Maximum length of indications of ICP in any continuous 12" length of weld : N/A since total weld is under 12 inches. INCOMPLETE FUSION Maximum length of an individual indication of IF: 1 inch or 25mm Maximum length of IF in 8% of weld: 15.1770 mm Maximum length of indications of IF in any continuous 12" length of weld : N/A since total weld is under 12 inches. INCOMPLETE FUSION DUE TO COLD LAP Maximum length of individual indications of IFD: 2 inches or 50mm Maximum length of IFD in 8% of weld: 15.1770mm Maximum length of indications of IFD in any continuous 12" length of weld : N/A since total weld is under 12 inches. INTERNAL CONCAVITY Any length of IC is acceptable, provided the density of the radiographic image of the internal concavity does not exceed that of the thinnest adjacent parent material. For areas that exceed the density of the thinnest adjacent parent material, the criteria for burn through are applicable. BURN - THROUGH Maximum dimension of BT's image : unacceptable if it exceeds that of the thinnest adjacent parent metal. Maximum dimension of BT: 1/4" or 6mm Maximum dimension is unacceptable if: it exceeds the thinner of the nonnal wall thickness joined, and the density of the BT's image exceeds that of the thinnest adjacent parent material. The sum of the max dimensions of separate B BT's whose image density exceeds that of the thinnest adjacent parent material exceeds 1/2 inch or 13mm in any continuous 12" length of weld or the total weld length(whichever is less) . API - 1104 2" s/40 & Std. - 0.154" Wall Page 1 of 2 API - 1104 2" s/40 & Std. - 0.154" Wall SLAG INCLUSIONS Elongated slag inclusions (ESI) Maximum length of an ESI: 2 inches or 50mm Parallel ESI indications (Wagon Tracks) shall be considered a single indication unless the width of either of them exceed 1/32" or 0.8mm. In that event they shall be considered separate indications. Maximum length of ESI indications in any continuous 12" length of weld: N/A since total weld is under 12 inches. Maximum width of an individual ESI indication: 1/16" or 1.6mm Isolated slag inclusions (ISI) Maximum length of ISI indications in any continuous 12" length of weld: N/A since total weld is under 12 inches. Maximum width of an ISI indication: 1/8" or 3mm Maximum length of ESI and ISI in 8% of weld: 15.1770mm POROSIT Y Individual or Scattered Porosity. Maximum size of an individual pore: 1/8" or 3mm The size of an individual pore exceeds 25% of the thinner of the nonimal wall thickness joined. The distribution of scattered porosity exceeds the concentration permitted in Figures 19 or 20. Cluster Porosity (CP) Maximum diameter of the cluster: 1/2 inch or 13mm Maximum length of CP indications in any continuous 12" length of w e weld: N/A since total weld is under 12 inches. Maximum length of an individual pore within a cluster: 1/16 inch or 2mm Hollow Bead Porosity (HB) Maximum length of an individual indication of HB: 1/2 inch or 13mm Maximum length of HB indications in any continuous 12" length of weld: N/A since total weld is under 12 inches. Maximum length of HB in 8% of weld: 15.1770mm NOTE: The weld is unacceptable if individual indications of HB, each greater than 1/4 inch or 6mm in length, are seperated by less than 2 inches or 50 mm. CRACKS Note: Any crack which is not a shallow crater crack or star crack is unacceptable. Maximum length of shallow crater cracks or star cracks: 5/32 inch or 4mm UNDERCUTTING Undercutting adjacent to the cover pass (EU) and Undercutting adjacent to the root pass (IU) Maximum length of EU and IU indications (in any combination) in a 12 inch length of weld: N/A Maximum length of EU and IU indications: 1.244 inches or 35.6 mm (This value is 1/6 th of the total weld length ) ACCUMULATION OF IMPERFECTIONS Maximum length of AI indications in any continuous 12 inch or 300 mm length of weld: N/A Maximum length of AI indications of 8% of weld: 15.1770mm RADIOGRAPHIC INFO Pipe O.D. in inches: 2.375 Amount of Penetrameters required for each shot: 1 penny in the center of the weld Total weld length: 7.469" 189.7126 mm Cassette size to complete weld in most efficient way: 3.5 x 10" Amount of shots to complete weld with 1" on each side of readable film: 3 8% of weld: 0.59752" 15.1770mm Hole penetrameters are adjacent to the weld and Wire penetrameters are parallel to the weld . Page 2 of 2 PENETRAMETER SELECTION Note: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest. Welds without reinforcement: S/S Wire: 0.008 Esn. Wire: A2 S/S Hole: 12 F/S Wire: 0.006 Esn. Wire: A3 F/S Hole: 10 Welds with reinforcement: S/S Wire: 0.010 Esn. Wire: A1 or B6 S/S Hole: 15 F/S Wire: 0.008 Esn. Wire: A2 F/S Hole: 12 Maximum allowable reinforcement: 0.0625"/per side Maximum reinforcement with DWE/SWV: 0.125" Total of walls + reinforcement: 0.561" 14.2494 mm Maximum reinforcement with DWE/DWV: 0.125" Total of walls + reinforcement: 0.561" 14.2494 mm Maximum reinforcement with SWE/SWV: 0.0625" Total of wall + reinforcement: 0.281" 7.1374 INADEQUATE PENETRATION WITHOUT HIGH LO W Maximum length of individual indication of IP : 1 inch or 25mm Maximum length of IP in 8% of weld: 15.1770 mm Maximum length of indications in any continuous 12" length of weld : N/A since total weld is under 12 inche s INADEQUATE PENETRATION DUE TO HIGH LO W Maximum length of individual indication of IPD: 2 inches or 50mm Maximum length of indications of IPD in any continuous 12" length of weld : N/A since total weld is under 12 inches. INADEQUATE CROSS PENETRATION Maximum length of an individual indication of ICP: 2 inches or 50mm Maximum length of indications of ICP in any continuous 12" length of weld : N/A since total weld is under 12 inches. INCOMPLETE FUSION Maximum length of an individual indication of IF: 1 inch or 25mm Maximum length of IF in 8% of weld: 15.1770 mm Maximum length of indications of IF in any continuous 12" length of weld : N/A since total weld is under 12 inches. INCOMPLETE FUSION DUE TO COLD LAP Maximum length of individual indications of IFD: 2 inches or 50mm Maximum length of IFD in 8% of weld: 15.1770mm Maximum length of indications of IFD in any continuous 12" length of weld : N/A since total weld is under 12 inches. INTERNAL CONCAVITY Any length of IC is acceptable, provided the density of the radiographic image of the internal concavity does not exceed that of the thinnest adjacent parent material. For areas that exceed the density of the thinnest adjacent parent material, the criteria for burn through are applicable. BURN - THROUGH Maximum dimension of BT's image : unacceptable if it exceeds that of the thinnest adjacent parent metal. Maximum dimension of BT: 1/4" or 6mm Maximum dimension is unacceptable if: it exceeds the thinner of the nonnal wall thickness joined, and the density of the BT's image exceeds that of the thinnest adjacent parent material. The sum of the max dimensions of separate B BT's whose image density exceeds that of the thinnest adjacent parent material exceeds 1/2 inch or 13mm in any continuous 12" length of weld or the total weld length(whichever is less) . API - 1104 2" s/80 & Extra Strong - 0.218" Wall Page 1 of 2 API - 1104 2" s/80 & Extra Strong - 0.218" Wall SLAG INCLUSIONS Elongated slag inclusions (ESI) Maximum length of an ESI: 2 inches or 50mm Parallel ESI indications (Wagon Tracks) shall be considered a single indication unless the width of either of them exceed 1/32" or 0.8mm. In that event they shall be considered separate indications. Maximum length of ESI indications in any continuous 12" length of weld: N/A since total weld is under 12 inches. Maximum width of an individual ESI indication: 1/16" or 1.6mm Isolated slag inclusions (ISI) Maximum length of ISI indications in any continuous 12" length of weld: N/A since total weld is under 12 inches. Maximum width of an ISI indication: 1/8" or 3mm Maximum length of ESI and ISI in 8% of weld: 15.1770mm POROSIT Y Individual or Scattered Porosity. Maximum size of an individual pore: 1/8" or 3mm The size of an individual pore exceeds 25% of the thinner of the nonimal wall thickness joined. The distribution of scattered porosity exceeds the concentration permitted in Figures 19 or 20. Cluster Porosity (CP) Maximum diameter of the cluster: 1/2 inch or 13mm Maximum length of CP indications in any continuous 12" length of w e weld: N/A since total weld is under 12 inches. Maximum length of an individual pore within a cluster: 1/16 inch or 2mm Hollow Bead Porosity (HB) Maximum length of an individual indication of HB: 1/2 inch or 13mm Maximum length of HB indications in any continuous 12" length of weld: N/A since total weld is under 12 inches. Maximum length of HB in 8% of weld: 15.1770mm NOTE: The weld is unacceptable if individual indications of HB, each greater than 1/4 inch or 6mm in length, are seperated by less than 2 inches or 50 mm. CRACKS Note: Any crack which is not a shallow crater crack or star crack is unacceptable. Maximum length of shallow crater cracks or star cracks: 5/32 inch or 4mm UNDERCUTTING Undercutting adjacent to the cover pass (EU) and Undercutting adjacent to the root pass (IU) Maximum length of EU and IU indications (in any combination) in a 12 inch length of weld: N/A Maximum length of EU and IU indications: 1.244 inches or 35.6 mm (This value is 1/6 th of the total weld length ) ACCUMULATION OF IMPERFECTIONS Maximum length of AI indications in any continuous 12 inch or 300 mm length of weld: N/A Maximum length of AI indications of 8% of weld: 15.1770mm RADIOGRAPHIC INFO Pipe O.D. in inches: 2.375 Amount of Penetrameters required for each shot: 1 penny in the center of the weld Total weld length: 7.469" 189.7126 mm Cassette size to complete weld in most efficient way: 3.5 x 10" Amount of shots to complete weld with 1" on each side of readable film: 3 8% of weld: 0.59752" 15.1770mm Hole penetrameters are adjacent to the weld and Wire penetrameters are parallel to the weld . Page 2 of 2 PENETRAMETER SELECTION Note: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest. Welds without reinforcement: S/S Wire: 0.010 Esn. Wire: A1 or B6 S/S Hole: 15 F/S Wire: 0.008 Esn. Wire: A2 F/S Hole: 12 Welds with reinforcement: S/S Wire: 0.013 Esn. Wire: B5 S/S Hole: 17 F/S Wire: 0.010 Esn. Wire: A1 or B6 F/S Hole: 15 Maximum allowable reinforcement: 0.0625"/per side Maximum reinforcement with DWE/SWV: 0.125" Total of walls + reinforcement: 0.813" 20.6502 mm Maximum reinforcement with DWE/DWV: 0.125" Total of walls + reinforcement: 0.813" 20.6502 mm Maximum reinforcement with SWE/SWV: 0.0625" Total of wall + reinforcement: 0.407" 10.3378 mm INADEQUATE PENETRATION WITHOUT HIGH LO W Maximum length of individual indication of IP : 1 inch or 25mm Maximum length of IP in 8% of weld: 15.1770 mm Maximum length of indications in any continuous 12" length of weld : N/A since total weld is under 12 inche s INADEQUATE PENETRATION DUE TO HIGH LO W Maximum length of individual indication of IPD: 2 inches or 50mm Maximum length of indications of IPD in any continuous 12" length of weld : N/A since total weld is under 12 inches. INADEQUATE CROSS PENETRATION Maximum length of an individual indication of ICP: 2 inches or 50mm Maximum length of indications of ICP in any continuous 12" length of weld : N/A since total weld is under 12 inches. INCOMPLETE FUSION Maximum length of an individual indication of IF: 1 inch or 25mm Maximum length of IF in 8% of weld: 15.1770 mm Maximum length of indications of IF in any continuous 12" length of weld : N/A since total weld is under 12 inches. INCOMPLETE FUSION DUE TO COLD LAP Maximum length of individual indications of IFD: 2 inches or 50mm Maximum length of IFD in 8% of weld: 15.1770mm Maximum length of indications of IFD in any continuous 12" length of weld : N/A since total weld is under 12 inches. INTERNAL CONCAVITY Any length of IC is acceptable, provided the density of the radiographic image of the internal concavity does not exceed that of the thinnest adjacent parent material. For areas that exceed the density of the thinnest adjacent parent material, the criteria for burn through are applicable. BURN - THROUGH Maximum dimension of BT's image : unacceptable if it exceeds that of the thinnest adjacent parent metal. Maximum dimension of BT: 1/4" or 6mm Maximum dimension is unacceptable if: it exceeds the thinner of the nonnal wall thickness joined, and the density of the BT's image exceeds that of the thinnest adjacent parent material. The sum of the max dimensions of separate B BT's whose image density exceeds that of the thinnest adjacent parent material exceeds 1/2 inch or 13mm in any continuous 12" length of weld or the total weld length(whichever is less) . API - 1104 2" s/160 - 0.344" Wall Page 1 of 2 API - 1104 2" s/160 - 0.344" Wall SLAG INCLUSIONS Elongated slag inclusions (ESI) Maximum length of an ESI: 2 inches or 50mm Parallel ESI indications (Wagon Tracks) shall be considered a single indication unless the width of either of them exceed 1/32" or 0.8mm. In that event they shall be considered separate indications. Maximum length of ESI indications in any continuous 12" length of weld: N/A since total weld is under 12 inches. Maximum width of an individual ESI indication: 1/16" or 1.6mm Isolated slag inclusions (ISI) Maximum length of ISI indications in any continuous 12" length of weld: N/A since total weld is under 12 inches. Maximum width of an ISI indication: 1/8" or 3mm Maximum length of ESI and ISI in 8% of weld: 15.1770mm POROSIT Y Individual or Scattered Porosity. Maximum size of an individual pore: 1/8" or 3mm The size of an individual pore exceeds 25% of the thinner of the nonimal wall thickness joined. The distribution of scattered porosity exceeds the concentration permitted in Figures 19 or 20. Cluster Porosity (CP) Maximum diameter of the cluster: 1/2 inch or 13mm Maximum length of CP indications in any continuous 12" length of w e weld: N/A since total weld is under 12 inches. Maximum length of an individual pore within a cluster: 1/16 inch or 2mm Hollow Bead Porosity (HB) Maximum length of an individual indication of HB: 1/2 inch or 13mm Maximum length of HB indications in any continuous 12" length of weld: N/A since total weld is under 12 inches. Maximum length of HB in 8% of weld: 15.1770mm NOTE: The weld is unacceptable if individual indications of HB, each greater than 1/4 inch or 6mm in length, are seperated by less than 2 inches or 50 mm. CRACKS Note: Any crack which is not a shallow crater crack or star crack is unacceptable. Maximum length of shallow crater cracks or star cracks: 5/32 inch or 4mm UNDERCUTTING Undercutting adjacent to the cover pass (EU) and Undercutting adjacent to the root pass (IU) Maximum length of EU and IU indications (in any combination) in a 12 inch length of weld: N/A Maximum length of EU and IU indications: 1.244 inches or 35.6 mm (This value is 1/6 th of the total weld length ) ACCUMULATION OF IMPERFECTIONS Maximum length of AI indications in any continuous 12 inch or 300 mm length of weld: N/A Maximum length of AI indications of 8% of weld: 15.1770mm RADIOGRAPHIC INFO Pipe O.D. in inches: 2.375 Amount of Penetrameters required for each shot: 1 penny in the center of the weld Total weld length: 7.469" 189.7126 mm Cassette size to complete weld in most efficient way: 3.5 x 10" Amount of shots to complete weld with 1" on each side of readable film: 4 8% of weld: 0.59752" 15.1770mm Hole penetrameters are adjacent to the weld and Wire penetrameters are parallel to the weld . Page 2 of 2 PENETRAMETER SELECTION Note: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest. Welds without reinforcement: S/S Wire: 0.013 Esn. Wire: B5 S/S Hole: 17 F/S Wire: 0.010 Esn. Wire: A1 or B6 F/S Hole: 15 Welds with reinforcement: S/S Wire: 0.016 Esn. Wire: B4 S/S Hole: 20 F/S Wire: 0.013 Esn. Wire: B5 F/S Hole: 17 Maximum allowable reinforcement: 0.0625"/per side Maximum reinforcement with DWE/SWV: 0.125" Total of walls + reinforcement: 0.997" 25.3238 mm Maximum reinforcement with DWE/DWV: 0.125" Total of walls + reinforcement: 0.997" 25.3238 mm Maximum reinforcement with SWE/SWV: 0.0625" Total of wall + reinforcement: 0.499" 12.6746 mm INADEQUATE PENETRATION WITHOUT HIGH LO W Maximum length of individual indication of IP : 1 inch or 25mm Maximum length of IP in 8% of weld: 15.1770 mm Maximum length of indications in any continuous 12" length of weld : N/A since total weld is under 12 inche s INADEQUATE PENETRATION DUE TO HIGH LO W Maximum length of individual indication of IPD: 2 inches or 50mm Maximum length of indications of IPD in any continuous 12" length of weld : N/A since total weld is under 12 inches. INADEQUATE CROSS PENETRATION Maximum length of an individual indication of ICP: 2 inches or 50mm Maximum length of indications of ICP in any continuous 12" length of weld : N/A since total weld is under 12 inches. INCOMPLETE FUSION Maximum length of an individual indication of IF: 1 inch or 25mm Maximum length of IF in 8% of weld: 15.1770 mm Maximum length of indications of IF in any continuous 12" length of weld : N/A since total weld is under 12 inches. INCOMPLETE FUSION DUE TO COLD LAP Maximum length of individual indications of IFD: 2 inches or 50mm Maximum length of IFD in 8% of weld: 15.1770mm Maximum length of indications of IFD in any continuous 12" length of weld : N/A since total weld is under 12 inches. INTERNAL CONCAVITY Any length of IC is acceptable, provided the density of the radiographic image of the internal concavity does not exceed that of the thinnest adjacent parent material. For areas that exceed the density of the thinnest adjacent parent material, the criteria for burn through are applicable. BURN - THROUGH Maximum dimension of BT's image : unacceptable if it exceeds that of the thinnest adjacent parent metal. Maximum dimension of BT: 1/4" or 6mm Maximum dimension is unacceptable if: it exceeds the thinner of the nonnal wall thickness joined, and the density of the BT's image exceeds that of the thinnest adjacent parent material. The sum of the max dimensions of separate B BT's whose image density exceeds that of the thinnest adjacent parent material exceeds 1/2 inch or 13mm in any continuous 12" length of weld or the total weld length(whichever is less) . API - 1104 2" XX Strong - 0.436" Wall Page 1 of 2 . NDT CODE BOOK FOR ASME SECTION 1 ASME B31.1 ASME B31.3 ASME SECTION 5 ASME