Page 1 of 1
60 50 Hardness, HRC 5140 30 20 0 1/4 1/2 3/4 1 5/4 Distance from quenched end (inches) 100 3/4R 1/2R Surface Centre 75 D
Posted: Mon May 02, 2022 3:02 pm
by answerhappygod
- 60 50 Hardness Hrc 5140 30 20 0 1 4 1 2 3 4 1 5 4 Distance From Quenched End Inches 100 3 4r 1 2r Surface Centre 75 D 1 (128.14 KiB) Viewed 42 times
60 50 Hardness, HRC 5140 30 20 0 1/4 1/2 3/4 1 5/4 Distance from quenched end (inches) 100 3/4R 1/2R Surface Centre 75 Diameter of bar (mm) 50 25 0 0 1/4 1/2 3/4 1 5/4 Equivalent distance from quenched end (inches) Figure 19. Hardness versus distance from the quenched end for '5140 chromium steel Referring to Figure 19, estimate the Rockwell hardness of a 75mm diameter bar of the chromium steel, 12.5mm from its centre, following quenching. a. 52 b. 28 C. 35 d. 47 e. 22 F. None of the above