Land Dimension Calculator

Calculate land (root face) dimensions for various groove weld types including V, U, J, and bevel grooves per AWS D1.1

Input Parameters

Results

--
Recommended Land
in
--
Land Tolerance
in
--
Groove Depth
in
--
Effective Throat (PJP)
in
Note: The land provides a solid base for the root pass. For CJP welds without backing, land is typically 0 to 1/16 in. For welds with backing, land can be up to 1/4 in.

Reference

AWS D1.1 Table 3.4 Prequalified Root Face (Land) Dimensions: V-Groove / Bevel: 0 to 1/8 in (1/16 in typical) U-Groove: 1/8 in typical J-Groove: 1/8 in typical PJP Effective Throat: groove depth for angles >= 60 deg, groove depth - 1/8 in for angles < 60 deg