This standard specifies the design method for mild steel spot welded joints (hereinafter referred to as joints) used mainly in the structures of railway vehicles.
JIS E 4048:1994 history
2008JIS E 4048:2008 Rolling stock -- Body structure for passenger cars -- Design method for spot-welded joints
1994JIS E 4048:1994 Railway rolling stock -- Spot welded joints of mild steel -- Design methods