society > occupation and work > materials > derived or manufactured material > metal > metal in specific state or form > [adjective] > welded > in specific manner
butt-welded1848
lap-welded1848
three-iron1892
spot-welded1921
fusion-welded1930
projection-welded1933
microwelded1963
1848 Mechanics' Mag.48 287 (advt.) Lap-welded iron tubes.
1950 Jrnl. Iron & Steel Inst.164 493/1 The manufacture of lap-welded pipe is described.