4330V Alloy Bar

4330V alloy steel bar has hardenability that is improved with the addition of vanadium. In the heat treated condition 4330V has good fatigue strength and toughness. Machining is best when annealed, normalized and tempered. It also may be welded with traditional methods.

Applications:

  • Drilling Equipment
  • Aircraft Landing Gear
  • Tool Holding Components
  • High Impact Machine Parts

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Typical Chemical Properties
Minimum Properties Tensile Strength , psi 130,000
Yield Strength, psi 115,000
Elongation 16%
Hardness BHN 321 - 375
Chemistry Carbon( C) .30 -.34%
Chrome (Cr) 0.75-1.0%
Manganese (Mn) 0.75-1.0%
Molybdenum (Mo) 0.40 - .50%
Nickel ( Ni) 1.65-2.0%
Phosphorus (P) 0.025%
Sulphur (S) 0.010%
Silicon (Si) 0.15- 0.35%
Vanadium( V) 0.05 - 0.10 %