Size Chart of 4140 alloy steel round bar

Types SIZES (Millimeter) SIZES (In) Tolerance (ISO)
Cold Drawn and Ground 10.00 – 75.00 5/6" – 2.50" h8-h9-h10-h11
Peeled and Ground 20.00 – 50.00 3/4″ – 2.00" h9-h10-h11
Peeled and Polished 40.00 – 150.00 1.50" – 6.00" h11, h11-DIN 1013
Cold Drawn and Polish 3.00 – 75.00 1/8" – 3.00" h8-h9-h10-h11