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WELD JOINT GEOMETERY AND WELDING SYMBOLS

WELD JOINT GEOMETERY AND WELDING SYMBOLS. Terminology & Definitions. A Weld: A union between materials caused by heat, and or pressure. A Joint: A configuration of members. Joint Terminology. Edge. Lap. Open & Closed Corner. Butt. Tee. Cruciform. Welded Joint Terminology. Fillet.

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WELD JOINT GEOMETERY AND WELDING SYMBOLS

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  1. WELD JOINT GEOMETERY AND WELDING SYMBOLS

  2. Terminology & Definitions A Weld: A union between materials caused by heat, and or pressure A Joint: A configuration of members

  3. Joint Terminology Edge Lap Open & Closed Corner Butt Tee Cruciform

  4. Welded Joint Terminology Fillet Butt Compound Spot Edge Plug

  5. Butt Welds

  6. Single Single Single Single Single sided Butt Preparations Single sided preparations are normally made on thinner materials, or when access form both sides is restricted Vee Bevel J U

  7. Double Bevel Double Vee Double Double J U Double sided Butt Preparations Double sided preparations are normally made on thicker materials, or when access form both sides is unrestricted

  8. Weld zone Face B A Weld metal Fusion zone Heat Affected Zone Weld Junction C D Root Weld Zone Terms A, B, C & D = Weld Toes

  9. Weld cap width Excess Cap height or Weld Reinforcement Excess Root Penetration Root bead width Butt Weld Features

  10. Fillet Welds

  11. Fillet Weld Leg Lengths a b a. = Vertical leg length b. = Horizontal leg length

  12. Fillet Weld Throat Thickness a b a. = Design Throat Thickness b. = Actual Throat Thickness

  13. Deep Penetration Fillet Weld Features a b a. = Design Throat Thickness b. = Depth of Penetration

  14. a = Design / Theoretical throat thickness s = Actual throat thickness b = Horizontal leg length c c = Vertical leg length a s b Fillet Weld Dimensions e.g Leg length = 6mm Design Throat = 6mm x 0.7 Design Throat = 4.2mm The leg length should be approximately equal to the material thickness The design throat thickness is 0.7 of the leg length

  15. Fillet Weld Profiles Mitre fillet Convex fillet A concave profile is preferred for joints subjected to fatigue loading Concave fillet

  16. Welding Positions

  17. Horizontal overhead PD / 4F Flat: PA / 1G: Horizontal vertical: PC / 2G: Horizontal vertical: PB / 2F: Overhead PE / 4G Flat PA / 1F Vertical downwards PG / 3G Vertical upwards PF / 3G Welding Positions

  18. PA / 1G Weld: Flat Pipe: rotated Axis: Horizontal Weld: Vertical upwards Pipe: Fixed Axis: Horizontal PF / 5G PC / 2G H-LO 45 / 6G Weld: Horizontal vertical Pipe: Fixed Axis: Vertical Weld: Upwards Pipe: Fixed Axis: Inclined Welding Positions PG / 5G Weld: Vertical Downwards Pipe: Fixed Axis: Horizontal 45o

  19. IWE WELDING DESIGN PRE-COURSE TYPE OF JOINTS

  20. IWE WELDING DESIGN PRE-COURSE TYPE OF JOINTS

  21. IWE WELDING DESIGN PRE-COURSE TYPE OF JOINTS

  22. IWE WELDING DESIGN PRE-COURSE TYPE OF JOINTS PREPRATION

  23. IWE WELDING DESIGN PRE-COURSE TYPE OF JOINTS PREPRATION

  24. IWE WELDING DESIGN PRE-COURSE TYPE OF JOINTS PREPRATION

  25. IWE WELDING DESIGN PRE-COURSE TYPE OF JOINTS PREPRATION

  26. IWE WELDING DESIGN PRE-COURSE TYPE OF JOINTS PREPRATION

  27. IWE WELDING DESIGN PRE-COURSE TYPE OF JOINTS PREPRATION

  28. IWE WELDING DESIGN PRE-COURSE

  29. IWE WELDING DESIGN PRE-COURSE

  30. IWE WELDING DESIGN PRE-COURSE

  31. IWE WELDING DESIGN PRE-COURSE TYPES OF WELDS

  32. IWE WELDING DESIGN PRE-COURSE TYPE OF WELDS

  33. IWE WELDING DESIGN PRE-COURSE

  34. IWE WELDING DESIGN PRE-COURSE

  35. IWE WELDING DESIGN PRE-COURSE

  36. IWE WELDING DESIGN PRE-COURSE

  37. IWE WELDING DESIGN PRE-COURSE BUTT WELDS

  38. IWE WELDING DESIGN PRE-COURSE FULL PENETRATION BUTT WELDS PARTIAL PENETRATION

  39. IWE WELDING DESIGN PRE-COURSE

  40. IWE WELDING DESIGN PRE-COURSE FULL PENETRATION

  41. IWE WELDING DESIGN PRE-COURSE PARTIAL PENETRATION

  42. IWE WELDING DESIGN PRE-COURSE FILLET WELDS

  43. IWE WELDING DESIGN PRE-COURSE FULL PENETRATION FILLET WELDS PARTIAL PENETRATION

  44. IWE WELDING DESIGN PRE-COURSE

  45. IWE WELDING DESIGN PRE-COURSE

  46. IWE WELDING DESIGN PRE-COURSE

  47. IWE WELDING DESIGN PRE-COURSE

  48. IWE WELDING DESIGN PRE-COURSE

  49. IWE WELDING DESIGN PRE-COURSE

  50. IWE WELDING DESIGN PRE-COURSE

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