Oil Hardening Steel (Grade SAE-4140)

Grade Introduction:

SAE 4140 Alloy steel grade is a versatile alloy with good atmospheric corrosion resistance and reasonable strength. It shows good overall combinations of strength, toughness, wears resistance, and fatigue strength.

Supplied Condition:

As Rolled

Grade Applications:

SAE 4140 alloy steel grade finds many applications as forgings for the aerospace and oil and gas industries, along with myriad uses in the automotive, agricultural, and defense industries, Typical uses are forged gears and shafts, spindles, fixtures, jigs, and collars.

Equivalent Grades:

Chemical Composition:

Hardness:

280-310 BHN