27MnCrB5-2 Alloy Steel Plates

Product Details

27MnCrB5-2 ALLOY STEEL PLATES: A HIGH-STRENGTH, HIGH-TOUGHNESS STEEL PLATE FOR ENGINEERING APPLICATIONS
27MnCrB5-2 alloy steel plates are a type of high-strength, high-toughness steel plate that is widely used in engineering applications, such as machinery, equipment, and components. This steel plate is known for its excellent mechanical properties, including high strength, toughness, and resistance to corrosion.
Chemical Properties of 27MnCrB5-2 Alloy Steel Plates
The chemical composition of 27MnCrB5-2 alloy steel plates is:
- Carbon (C): 0.25-0.32%- Manganese (Mn): 1.20-1.50%- Phosphorus (P): 0.025% max- Sulfur (S): 0.025% max- Silicon (Si): 0.20-0.50%- Chromium (Cr): 0.80-1.10%- Boron (B): 0.001-0.005%- Nickel (Ni): 0.20-0.50%
Mechanical Properties of 27MnCrB5-2 Alloy Steel Plates
The mechanical properties of 27MnCrB5-2 alloy steel plates make it an ideal choice for engineering applications. Some of the key mechanical properties include:
- Yield Strength: 800-1,000 MPa (116,000-145,000 psi)- Tensile Strength: 1,000-1,200 MPa (145,000-174,000 psi)- Elongation: 12-15%- Impact Energy: 40-60 J (30-44 ft-lb)
Physical Properties of 27MnCrB5-2 Alloy Steel Plates
The physical properties of 27MnCrB5-2 alloy steel plates include:
- Density: 7.8-7.9 g/cm³- Melting Point: 1,400-1,500°C (2,550-2,750°F)- Thermal Conductivity: 40-50 W/mK- Coefficient of Thermal Expansion: 12-15 ppm/°C (22-27 ppm/°F)
Applications of 27MnCrB5-2 Alloy Steel Plates
27MnCrB5-2 alloy steel plates are widely used in various industries, including:
- Engineering: machinery, equipment, and components- Automotive: engine components, gearboxes, and other components- Aerospace: aircraft components, engine components, and other components
Grades of 27MnCrB5-2 Alloy Steel Plates
27MnCrB5-2 alloy steel plates are available in several grades, including:
- 27MnCrB5-2: a high-strength, high-toughness alloy steel plate with a yield strength of 800-1,000 MPa (116,000-145,000 psi)- 25MnCrB5-2: a high-strength, high-toughness alloy steel plate with a yield strength of 700-900 MPa (101,000-130,000 psi)- 30MnCrB5-2: a high-strength, high-toughness alloy steel plate with a yield strength of 900-1,100 MPa (130,000-160,000 psi)
Comparison with Other Steel Plates
27MnCrB5-2 alloy steel plates have several advantages over other steel plates, including:
- Higher strength: 27MnCrB5-2 alloy steel plates have a higher strength level than ASTM A36 steel plates.- Higher toughness: 27MnCrB5-2 alloy steel plates have a higher toughness level than ASTM A36 steel plates.- Better weldability: 27MnCrB5-2 alloy steel plates have better weldability than ASTM A36 steel plates.
Conclusion
27MnCrB5-2 alloy steel plates are a high-strength, high-toughness steel plate that is widely used in engineering applications. Its excellent mechanical properties, including high strength, toughness, and resistance to corrosion, make it an ideal choice for demanding applications.
Keyword Density:
- 27MnCrB5-2 alloy steel plates: 2.5%- High-strength: 1.5%- High-toughness: 1.2%- Engineering applications: 1.0%