A washer is a thin plate (typically disk-shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are as a spacer, spring (belleville washer, wave ...
Tags: Learning Center, Washer
1. Hot rolled (extrusion seamless steel pipe): Round Tube > 3 > heating > perforated roller rolling, rolling or extrusion > > set off pipe diameter (or reducing) > cooling > > straightening pressure test (or testing) > mark > storage 2. ...
Tags: Seamless steel tube