scope:

This Japanese Industrial Standard specifies the conditions of strength design that are common to steel components used for bogie frames and beams comprising main strength members (excluding unsprung components and carbody mounting components), among bogies used for a rolling stock (excluding that for specified railway cars).

This Standard does not apply to the bogie frames used for specified railway cars (such as a trolleybus, a monorail car, a modified-personal-rapid-transit car, a magnetically supported vehicle, etc.), which use e.g. a rubber tire; however, this Standard may apply to the allowable stress of material used for bogie frames of these cars.