434S17 Steel Grade: A Comprehensive Guide to Its Mechanical Properties

[ad_1] 434S17 steel is a martensitic stainless steel that is commonly used in applications requiring high strength and good corrosion resistance. It is also known by its trade name of 1.4113 and is a popular choice for components in the oil and gas, automotive, and aerospace industries. This steel grade offers a good combination of mechanical properties, making it suitable for a wide range of applications.

Mechanical Properties:
– Tensile Strength: 700-850 MPa
– Yield Strength: 450-550 MPa
– Elongation: 15-25%
– Hardness: 22-26 HRC

These mechanical properties make 434S17 steel suitable for applications where high strength and good corrosion resistance are required, such as in the production of shafts, gears, and valves.

Technical Properties:
– Density: 7.7 g/cm3
– Thermal Expansion: 10.4 x 10-6 K-1
– Thermal Conductivity: 24 W/m·K
– Specific Heat Capacity: 460 J/kg·K

These technical properties provide valuable information for designing and fabricating components using 434S17 steel.

Chemical Composition:
– Carbon: 0.08-0.12%
– Manganese: 1.0% max
– Phosphorus: 0.04% max
– Sulfur: 0.03% max
– Chromium: 16-18%
– Silicon: 1.0% max

The chemical composition of 434S17 steel plays a crucial role in determining its mechanical and corrosion-resistant properties. The addition of chromium provides good corrosion resistance, while the controlled levels of carbon and other alloying elements contribute to its strength and toughness.

In summary, 434S17 steel offers a good combination of mechanical, technical, and chemical properties that make it a versatile and reliable choice for various industrial applications. Its high strength, good corrosion resistance, and ease of fabrication make it a popular choice for components in demanding environments.