Harnessing the Power of 35CrMo4 Steel Grade: Redefining Structural Integrity in Construction

Introduction:

Steel is a versatile material that is widely used in various industries, including construction. Its strength, durability, and exceptional mechanical properties make it an ideal choice for structural applications. One such steel grade that offers exceptional mechanical properties is 35CrMo4. In this specification, we will explore the mechanical properties and chemical composition of 35CrMo4 steel grade and discuss how it redefines structural integrity in construction.

Mechanical Properties:

1. Tensile Strength: 35CrMo4 steel grade exhibits high tensile strength, which is crucial for load-bearing structures in construction. Its typical tensile strength ranges from 850 MPa to 1000 MPa, making it suitable for heavy-duty applications.

2. Yield Strength: The yield strength of 35CrMo4 steel grade is equally impressive, ranging from 650 MPa to 900 MPa. This ensures that the material can withstand significant loads without permanent deformation.

3. Elongation: 35CrMo4 steel grade also exhibits good elongation properties, with a typical elongation of 12%-15%. This allows for some flexibility and deformation before reaching its ultimate tensile strength.

4. Impact Resistance: Another notable mechanical property of 35CrMo4 steel grade is its excellent impact resistance. This property ensures that the material can absorb and dissipate energy effectively, making it suitable for structures that may experience dynamic loading or sudden impacts.

Chemical Composition:

The chemical composition of 35CrMo4 steel grade plays a significant role in determining its mechanical properties. The key chemical elements and their percentage composition are as follows:

1. Carbon (C): 0.32% – 0.39%
2. Silicon (Si): 0.17% – 0.37%
3. Manganese (Mn): 0.40% – 0.70%
4. Phosphorus (P): ≤ 0.035%
5. Sulfur (S): ≤ 0.035%
6. Chromium (Cr): 0.80% – 1.10%
7. Molybdenum (Mo): 0.15% – 0.25%

The carbon content provides 35CrMo4 steel grade with its excellent tensile strength and hardness. The addition of silicon improves its strength and oxidation resistance, while manganese enhances its hardenability and toughness. Chromium and molybdenum contribute to the steel’s high temperature resistance, wear resistance, and corrosion resistance.

Conclusion:

35CrMo4 steel grade offers exceptional mechanical properties, including high tensile and yield strength, good elongation, and impact resistance. Its chemical composition, with a balanced amount of carbon, silicon, manganese, chromium, and molybdenum, further enhances its performance in construction applications. By harnessing the power of 35CrMo4 steel grade, we can redefine structural integrity in construction and ensure the safety and durability of load-bearing structures.
35CrMo4 Steel grade
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