ROLLING STEEL SERVICE DOORS WITH

Brand	Owner	Address	Description
FEATHERLITE	RAYNOR MANUFACTURING COMPANY	1101 East River Road Dixon IL 61021	rolling steel service doors with counterbalance mechanism;FEATHER LIGHT;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

There is provided a rolling component formed of a steel material of the medium carbon steel level that provides a rolling life improved to be comparable to that of bearing steel and also provides improved characteristic against surface-cracking, and a power transmission component including the rolling component. To achieve this, the rolling component is formed of steel having an induction hardened portion having a stress intensity factor range associated with tension associated-fatigue crack extension that has a lower limit ?Kth of 6.2 Mpa?m.