This specification covers a free-machining, low-alloy steel in the form of round bars 3.50 in. (90 mm) and under in nominal diameter.
STEEL BARS 1.0Cr - 0.20Mo - 0.015Te (0.39 - 0.48C) (4142H Modified) Die-Drawn, 130,000 psi (895 MPa) Yield Strength Free Machining
1983-04-01
Conference paper
English