Filename: M12C4340 Program: Jominy Hardenability Date: Thu, Oct 23, 2025 Time: 5:57 PM Name: M12C4340 Material: 4340 Specimen Information: 4340 Screw Calibration Distance: 25.40 Screw Calibration Turns: 16 Screw Calibration: 1.587 mm/turn