349S54 is a high-strength, low-alloy steel grade with excellent mechanical properties, making it suitable for a wide range of applications in various industries. Its unique combination of strength, toughness, and resistance to corrosion makes it a popular choice for structural components, pressure vessels, and marine equipment.
Mechanical Properties:
– Tensile Strength: 800-1000 MPa
– Yield Strength: 700-850 MPa
– Elongation: 15-20%
– Hardness: 200-250 HB
These mechanical properties make 349S54 steel grade suitable for heavy-duty applications that require high strength and durability. It can withstand heavy loads and harsh environmental conditions, making it ideal for use in construction, manufacturing, and transportation industries.
Technical Properties:
– Density: 7.8 g/cm3
– Thermal Conductivity: 15 W/m·K
– Electrical Resistivity: 0.2 ohm·mm2/m
– Modulus of Elasticity: 200 GPa
These technical properties further enhance the suitability of 349S54 steel grade for various applications. Its high thermal conductivity and electrical resistivity make it useful for heat exchangers and electrical enclosures, while its relatively high modulus of elasticity ensures structural stability in demanding conditions.
Chemical Composition:
– Carbon (C): 0.08%
– Manganese (Mn): 1.00%
– Phosphorus (P): 0.040%
– Sulfur (S): 0.030%
– Silicon (Si): 1.00%
– Chromium (Cr): 25.0%
– Nickel (Ni): 5.50%
– Molybdenum (Mo): 1.50%
The chemical composition of 349S54 steel grade plays a crucial role in determining its mechanical and physical properties. The presence of elements like chromium, nickel, and molybdenum enhances its corrosion resistance, while the controlled amounts of carbon, manganese, and silicon contribute to its strength and formability.
Overall, 349S54 steel grade offers a unique combination of mechanical, technical, and chemical properties that make it a versatile and reliable material for a wide range of industrial applications. Its high strength, excellent corrosion resistance, and formability make it a preferred choice for structural and engineering components in demanding environments.
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