About 4340 steel

AISI 4340 steel is a Q+T alloy Structural steel.

4340 is used for engineering structural,　 Used as require good toughness, high strength, as well as the important conditioning of large size, heavy machinery such as high load of axial, turbine shaft, larger than 250 mm in diameter of helicopter rotor shaft, turbojet engine turbine shaft, blade, high load of transmission parts, fasteners of the crankshaft. Gear, etc.; Can also be used for operating temperature over 400 ℃ of rotor shaft and blade, etc.; And after nitriding processing can also be used to make. Any steel problem and enquiry, pls feel free contact us.

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