Chemical Composition and Mechanical Properties of 30CrMo Alloy Steel

Chemical Composition:

Mechanical Properties:

Applications and Industries Utilizing 30CrMo Alloy Steel Plates

30CrMo alloy steel is used in various industries due to its high strength and toughness:

1. Engineering and Machinery: Shafts, spindles, gears, and high-load components.
2. Chemical Industry: Equipment for high-pressure environments, including pipes and fittings.
3. Oil and Gas: Components in drilling equipment and pipelines.
4. Automotive: Manufacturing of high-strength fasteners and structural components.
5. Aerospace: Parts that require high strength-to-weight ratios.

Corrosion Resistance and Performance Characteristics

• Corrosion Resistance: Good resistance to oxidation at temperatures below 500°C, but performance decreases significantly above this temperature.
• Thermal Strength: Maintains good strength at elevated temperatures up to approximately 500°C.
• Weldability: Generally good weldability, but preheating is recommended when alloy elements are near the upper limit.

Manufacturing Process and Available Dimensions

Manufacturing Process:

• Typically produced through hot rolling or forging processes, followed by heat treatment for enhanced mechanical properties.

Available Dimensions:

Welding and Fabrication Considerations for 30CrMo Alloy Steel

• Welding Techniques: Can be welded using standard methods; however, preheating to above 175°C is recommended when alloy content is at the upper limit.
• Post-Weld Treatment: May require post-weld heat treatment depending on the application.

Comparison of 30CrMo with Other Alloy Steel Grades

At HL Steel Company, we provide high-quality GB/T 11251 30CrMo alloy steel plates tailored for various industrial applications, ensuring optimal performance and reliability in demanding environments.