4320 Steel Bar Stock
4320 Alloy Steel Round Bar Products Description
4320 Alloy Bar is a medium carbon nickel, chromium, molybdenum alloy steel specially designed for heavy-duty applications requiring good toughness, high NMness and wear resistance. 4320 Round Bar can exhibit excellent mechanical properties by adjusting its composition and heat treatment process.
Mechanical Properties of 4320 Round Bar
High Strength: 4320 solid bar can obtain high tensile strength and yield strength after quenching and tempering.
Toughness: 4320 Alloy Round Bar can maintain good toughness even at high strength, suitable for parts subjected to impact loads.
Wear Resistance: The addition of molybdenum and chromium increases the surface NMness and enhances the wear resistance of 4320 Alloy Steel Bar.
4320 Steel Bar Stock Products Details
| Material | Alloy steel bar |
| Specification | according to customers' drawing or sample |
| Surface Treatment | Machining, polishing, oiled (rust-proof), zinc, nickel, chrome plating, hot galvanized, painted. |
| Process | Open die forging (free drop forging or hot forging) Normalizing & Tempering Proof Machining- Quenching & Tempering |
| Quality Assurance | Crack testing, chemical analysis, mechanical testing and metallography, etc. |
4320 Steel Round Bar Chemical Composition:
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Ni(%) | Cr(%) | Mo(%) |
|---|---|---|---|---|---|---|---|
| 0.17-0.22 | 0.15-0.30 | 0.45-0.65 | ≦0.035 | ≦0.04 | 1.65-2.00 | 0.4-0.6 | 0.2-0.3 |
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