Standard Weld Joint [PDF]

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LANL Engineering Standards Manual ISD 341-2



Chapter 13, Welding & Joining



GWS 1-06 – Weld Joint Design Attachment 2, Weld Joint Designs for ASME, API, AWWA, & Non-Code Applications



Rev. 1, 10/27/06



WELD JOINT DESIGNS FOR ASME, API, AWWA, AND NON-CODE APPLICATIONS



Full Penetration Welds +5/16



R = T/2 ± 1/8 T = 1/4 max.



R= 3/16 to 9/16



R = T/2 -1/16 T = 1/4 max. R



R



T



T



R Square Butt or Corner R= 0 to 1/4



Square Butt or Corner R= 0 to 1/4



R



Single V Butt or Corner R= 3/16 to 9/16



R



R



Square Butt or Corner R= 0 to 1/4



Double V Butt R= 0 to 1/4



Single Bevel Butt, Tee, or Corner R=1/16 min.; 3/16 max. M=1/16 max.



R



R Single Bevel Butt, Tee, or Corner



R Double Bevel Butt, Tee, or Corner



Page 1 of 3



M Open Butt - No Backing, Welded 1 Side



LANL Engineering Standards Manual ISD 341-2



Chapter 13, Welding & Joining



GWS 1-06 – Weld Joint Design Attachment 2, Weld Joint Designs for ASME, API, AWWA, & Non-Code Applications



Full Penetration Welds with Inserts R=1/32 max. M=1/32 max.



R=1/32 max. M=1/32 max. R



R



M



M Rectangular Insert



Inverted “T” Insert



Fillet Weld Joints



R=3/16 max.



R



Fillets



Page 2 of 3



Rev. 1, 10/27/06



LANL Engineering Standards Manual ISD 341-2



Chapter 13, Welding & Joining



GWS 1-06 – Weld Joint Design Attachment 2, Weld Joint Designs for ASME, API, AWWA, & Non-Code Applications



Rev. 1, 10/27/06



Partial Penetration Weld Joints R= 0 to 1/4



+1/8



R=T/2 -1/16



R= 0 to 1/16 S



T S



R



R



R



Square Butt



Square Butt



R= 0 to 7/32



Single V Butt or Corner R= 0 to 1/8



R= 0 to 1/8 S S



S



S S



S



S



S R



R R Single V Butt or Corner R= 0 to 1/8



Double V Butt



Single Bevel Butt, Tee, or Corner R=3/16 max.



S S



R S S R Double Bevel Butt, Tee, or Corner



Flare Groove



Page 3 of 3



Flare Bevel