The Versatility of 34CrMo4 Steel: From Manufacturing to Heavy Construction

The chemical composition of 34CrMo4 steel usually consists of:

– Carbon (C): 0.30-0.37%
– Silicon (Si): 0.40% max
– Manganese (Mn): 0.60-0.90%
– Phosphorus (P): 0.025% max
– Sulfur (S): 0.010% max
– Chromium (Cr): 0.90-1.20%
– Molybdenum (Mo): 0.15-0.30%

These chemical elements play a crucial role in determining the mechanical and technical properties of the steel.

Mechanical Properties:
– Tensile Strength: 980-1180 MPa
– Yield Strength: 785-930 MPa
– Elongation: 9-12%
– Hardness: 229-269 HB

Technical Properties:
– Density: 7.85 g/cm3
– Melting Point: 1427-1467°C
– Thermal Expansion: 11.0-12.0 µm/m°C
– Thermal Conductivity: 42.7 W/m°C
– Specific Heat: 477 J/kg°C

The versatility of 34CrMo4 steel makes it suitable for various applications, including manufacturing and heavy construction. It is commonly used for manufacturing tools, machinery parts, and equipment that require high tensile strength and good mechanical properties. Additionally, its high heat resistance and excellent hardenability make it ideal for heavy construction projects where durability and strength are essential.