Center-to-Center Pitch or Spacing of Welds Length of Weld (full length if not present) Finish Symbol Contour Symbol Groove Angle F Root Opening Effective Throat A R AWS WELDING SYMBOLS Finish Symbols C, M, H, M, R Flush Concave Convex Weld Size or Depth of Penetration Aligned (Chained) Stitch C - Chip G - Grind H - Hammer M - Machine R - Roll Field Weld Symbol Weld All Around Symbol L P OTHER SIDE SYMBOL BELOW REFERENCE LINE APPLIES TO ARROW SIDE (E) S Process or Reference Notes OTHER SIDE Double - Fillet Single - Fillet Staggered Stitch Broken Arrow means weld prep on the member the arrow is pointing to Reference Arrow points to joint (N) Elements in this area remain as shown regardless of arrow orientation Number of Spot or Projection Welds 2-4 2-4 2-4 2-4 ARROW SIDE Square Groove OTHER SIDE ARROW SIDE Bevel Groove V-Groove J-Groove U-Groove Flare-V Flared Bevel Bevel Groove with Reinf. Fillet J-Groove with Reinf. Fillet Back-Gouge Burn-Through Consumable Insert Backing * * * * * * * * * 1/4 * Root Opening and / or Bevel Angle 1/4 Plug and Slot Welds Flange Corner OTHER SIDE ARROW SIDE Spot Weld Scarf for Brazed Joint Flange Edge Surfacing or Build-up Stud Seam Weld If less than full length 1/2 1/4 Angle Diameter of Plug (Dimension of Slot) Finish or Contour 3 If less than full length 1/2 (6) Depth of Fill Size or Shear Strength Number of Welds Finish or Contour 3 1/8 Center-to-Center Pitch Center-to-Center Pitch