This part was marked with a 20 watt q-switched ytterbium fiber laser with a 160 mm focal length lens. The sample was laser engraved to create a deep mark that would not be damaged by sand blasting. The sample was produced using a fiber laser at a setting of 17 Watts, with a frequency of 20kHz, and speed of 6 inches per second. Complete cycle time: 56.34 seconds.