The 4340-alloy steel bar is composed of a nick, chromium, molybdenum alloy. It’s recognized for its durability and ability to achieve great strength when heat-treated. It also offers excellent resistance against fatigue and wear, as well as good atmospheric corrosion resistance.
4340 steel has excellent strength-to-weight ratio, making it ideal for parts that require high strength and resilience to wear and tear. It’s also known for its exceptional toughness and ability to withstand extreme conditions, which makes it suitable for use in high-stress environments.
4340 steel bars are a versatile and robust material, used in various industries due to their superior strength and toughness. Here are the main applications:
| Chemical Properties | |
|---|---|
| Carbon | 00.38 – 0.43 |
| Manganese | 0.60 – 0.80 |
| Phosporus (max) | 0.035 |
| Sulfur (max) | 0.040 |
| Silicon | 0.15 – 0.35 |
| Nickel | 1.65 – 2.00 |
| Chromium | 0.70 – 0.90 |
| Molybdenum | 0.20 – 0.30 |
If your application requires specific mechanical properties, please inquire with our sales team.
King Steel offers a variety of value-added services to improve your workflow and quality control. Our processing capabilities include:
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