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Material type
Material name

Alloy steel 4340 | 1.6511 | 36CrNiMo4 | EN24

Alternative names
30CrNiMo8, 1.658
Process compatibility
CNC machining
David Nguyen, Mechanical Engineering Lead
Famous my its toughness and strength 4140 is medium carbon low alloy steel. It can be heat treated to high strength levels while maintaining good toughness, wear resistance and fatigue strength levels, combined with good atmospheric corrosion resistance, and strength.
David Mechanical Engineering Lead at Protolabs Network