On the scales just now, bathroom scale but high quality, each crank set in the same spot on scale twice.

Cast 440-67 pounds
Stock steel 440- 69 pounds
Stock Hemi been worked, out of a S/S 68 pounds
Kellogg Hemi with mallory 75 pounds
Ohio 4.15 73 pounds
Ohio 4.5 73-74 pounds
KB stock stroke blower crank 74 pounds

Have a 6 pac crank but was in garage and didn’t measure it (been internally balanced)
You numbers may come up different but they were all relative to each other