4340

Product Group: 

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min 0.380 0.600 0.150 0.700 - - - - - - - -
Max 0.430 0.800 0.450 0.900 2.000 - - 0.035 0.040 0.350 - -

Mechanical Properties

Tensile Strength 1069 MPa min 155,000 psi min
Yield Strength 800 MPa min -
  116,000 psi min -
Total Elongation Under Load 11.000 % -
Hardness 37 Max HRC -