Machine Design Databook, Second Edition

| A | area of flange material held by welds in shear, m 2 (in 2) | |
| A' = l ? | length of weld when weld is treated as a line, m (in) | |
| b | width of connection, m (in) | |
| c | distance to outer fiber (also with suffixes), m (in) | |
| c x | distance of x axis to face, m (in) | |
| c y | distance of y axis to face, m (in) | |
| c 1 | distance of weld edge parallel to x-axis from the center of weld, to left, m (in) | |
| c 2 | distance of weld edge from parallel to x-axis from the center of weld, to right, m (in) | |
| c 3 | distance from farthest weld corner, Q, to the center of gravity of weld, m (in) (Fig. 12-8) | |
| d | depth of connection, m (in) | |
| e x | eccentricity of P z and P y about the center of weld, m (in) | |
| e y | eccentricity of P x about the center of weld, m (in) | |
| h | thickness of plate (also with suffixes), m (in) | |
| i | number of welds | |
| I x,I y,I z | moment of inertia of weld about x, y, and z axes respectively, m 4,cm 4 (in 4) | |
| J | moment of inertia, polar, m 4, cm 4 (in 4) | |
| J ? | polar... |