... Properties and Mechanical Testing 7. Test: Ultrasonic test according to SEP 1921-84 3C/c 8. Material details will be as ... process, the mechanical property (yield strength, tensile strength, elongation and hardness), forged ratio, UT test result, Grain size, heat ... 10. Marking: Heat No. Will be cold stamped and Steel grade, diameter (mm), length (mm), and the manufacturer LOGO and weight (kg) is painted ...