Everything You Need to Know About 34CrMo4 Steel Grade: Properties, applications, and benefits

[ad_1] The 34CrMo4 steel grade is a low-alloy steel that is widely used in various industries due to its excellent mechanical properties and high strength. It is known for its high tensile strength, toughness, and good hardenability.

Here is everything you need to know about 34CrMo4 steel grade:

Mechanical Properties:
– Tensile strength: 900-1100 MPa
– Yield strength: 650 MPa
– Elongation: 16%
– Impact strength: 140-180 J
– Hardness: 22-26 HRC

Technical Properties:
– Density: 7.85 g/cm3
– Thermal conductivity: 42 W/mK
– Specific heat capacity: 470 J/kg·K
– Electrical resistivity: 0.15 μΩ·m

Chemical Composition:
The chemical composition of 34CrMo4 steel grade is as follows:
– Carbon (C): 0.30-0.37%
– Silicon (Si): 0.40% max
– Manganese (Mn): 0.60-0.90%
– Phosphorus (P): 0.025% max
– Sulfur (S): 0.035% max
– Chromium (Cr): 0.90-1.20%
– Molybdenum (Mo): 0.15-0.30%

– The 34CrMo4 steel grade is commonly used in the manufacturing of high-strength fasteners, gears, crankshafts, and other components that require high strength and toughness.
– It is also used in the construction of pressure vessels, pipelines, and structural construction due to its excellent mechanical properties.

– High tensile strength and toughness
– Good hardenability
– Excellent impact resistance
– Suitable for high-stress applications

In conclusion, the 34CrMo4 steel grade is a versatile low-alloy steel with excellent mechanical properties, making it suitable for a wide range of applications in various industries. Its high strength, toughness, and good hardenability make it a popular choice for components and structures that require reliable performance under high-stress conditions.