WELD JOINT GEOMETERY AND WELDING SYMBOLS Terminology Definitions
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 Open & Closed Corner Lap Butt Tee Cruciform
Welded Joint Terminology Compound Edge Fillet Spot Butt Plug
Butt Welds
Single sided Butt Preparations Single sided preparations are normally made on thinner materials, or when access form both sides is restricted Single Bevel Single Vee Single J Single U
Double sided Butt Preparations Double sided preparations are normally made on thicker materials, or when access form both sides is unrestricted Double Bevel Double Vee Double J Double U
Weld Zone Terms Weld zone Face A B Weld metal Fusion zone Heat Affected Zone Weld Junction C D Root A, B, C & D = Weld Toes
Butt Weld Features Weld cap width Excess Cap height or Weld Reinforcement Excess Root Penetration Root bead width
Fillet Welds
Fillet Weld Leg Lengths a b a. = Vertical leg length b. = Horizontal leg length
Fillet Weld Throat Thickness a b a. = Design Throat Thickness b. = Actual Throat Thickness
Deep Penetration Fillet Weld Features a b a. = Design Throat Thickness b. = Depth of Penetration
Fillet Weld Dimensions a = Design / Theoretical throat thickness s = Actual throat thickness b = Horizontal leg length c c = Vertical leg length a b s e. g Leg length = 6 mm Design Throat = 6 mm x 0. 7 Design Throat = 4. 2 mm The leg length should be approximately equal to the material thickness The design throat thickness is 0. 7 of the leg length
Fillet Weld Profiles Mitre fillet Convex fillet Concave fillet A concave profile is preferred for joints subjected to fatigue loading
Welding Positions
Welding Positions Flat: PA / 1 G: Flat PA / 1 F Horizontal vertical: PB / 2 F: Horizontal overhead PD / 4 F Vertical upwards PF / 3 G Horizontal vertical: PC / 2 G: Overhead PE / 4 G Vertical downwards PG / 3 G
Welding Positions Weld: Flat Pipe: rotated Axis: Horizontal PG / 5 G PF / 5 G PA / 1 G Weld: Vertical upwards Pipe: Fixed Axis: Horizontal Weld: Vertical Downwards Pipe: Fixed Axis: Horizontal 45 o PC / 2 G Weld: Horizontal vertical Pipe: Fixed Axis: Vertical H-LO 45 / 6 G Weld: Upwards Pipe: Fixed Axis: Inclined
IWE WELDING DESIGN PRE-COURSE TYPE OF JOINTS
IWE TYPE OF JOINTS WELDING DESIGN PRE-COURSE
IWE TYPE OF JOINTS WELDING DESIGN PRE-COURSE
IWE TYPE OF JOINTS PREPRATION WELDING DESIGN PRE-COURSE
IWE TYPE OF JOINTS PREPRATION WELDING DESIGN PRE-COURSE
IWE TYPE OF JOINTS PREPRATION WELDING DESIGN PRE-COURSE
IWE TYPE OF JOINTS PREPRATION WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE TYPE OF JOINTS PREPRATION
IWE WELDING DESIGN PRE-COURSE TYPE OF JOINTS PREPRATION
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE TYPES OF WELDS
IWE TYPE OF WELDS WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE BUTT WELDS
IWE WELDING DESIGN PRE-COURSE FULL PENETRATION BUTT WELDS PARTIAL PENETRATION
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE FULL PENETRATION
IWE WELDING DESIGN PRE-COURSE PARTIAL PENETRATION
IWE WELDING DESIGN PRE-COURSE FILLET WELDS
IWE WELDING DESIGN PRE-COURSE FULL PENETRATION FILLET WELDS PARTIAL PENETRATION
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE WELDING SYMBOLS
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE
IWE WELDING DESIGN PRE-COURSE GEOMETRICAL CHARACHTRESTICS REVIEW EXCERSICES
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