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<div> <!--StartFragment-->4340 Alloy Steel Round Bar is a high-strength, low-alloy steel known for excellent toughness, wear resistance, and fatigue strength. It contains nickel, chromium, and molybdenum, making it ideal for critical components in aerospace, automotive, tooling, and heavy machinery. These bars perform reliably under high stress and impact conditions, even after heat treatment.<!--EndFragment--> </div><p><br></p>

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