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Stainless Steel - Grade 430LNbTi / 1.4512
Description
430LNbTi / 1.4512 is a ferritic stainless steel grade known for its low carbon content and excellent welding properties. It is primarily utilized in applications requiring good corrosion resistance and mechanical strength, especially in environments prone to oxidation.
Chemical Composition
The typical chemical composition of 430LNbTi includes:
- Carbon (C): 0.03% max
- Chromium (Cr): 16.0 - 18.0%
- Nickel (Ni): 0.5% max
- Niobium (Nb): 0.5 - 1.0%
- Iron (Fe): Balance
- Molybdenum (Mo): 0.5% max
- Titanium (Ti): : 0.1 - 0.5%
Mechanical Properties
The mechanical properties of 430LNbTi are as follows:
- Tensile Strength: 480 MPa (min)
- Yield Strength: 310 MPa (min)
- Elongation: 20% (min)
- Hardness: 200 HB (max)
Thermal & Physical Properties
- Density: 7.8 g/cm³
- Melting Point: 1400 - 1450 °C
- Thermal Conductivity: Approximately 25 W/m•K
- Specific Heat:0.5 kJ/kg•K
Other Designations
- DIN Number: 1.4512
- Other Designations: UNS S43000, EN 1.4512
Fabrication and Heat Treatment
430LNbTi can be processed using standard fabrication techniques for stainless steels, including:
- Welding: Suitable for TIG and MIG welding processes.
- Heat Treatment: Generally not heat treated; however, stress relief can be performed at temperatures up to 800 °C.
Applications
This grade is commonly used in:
- Automotive exhaust systems
- Heat exchangers
- Kitchen equipment
- Industrial applications requiring resistance to oxidation and corrosion
Supplied Forms
- Filler wires
- Rods
Features
- Excellent resistance to oxidation and corrosion
- Good weldability and mechanical properties
- Stabilized with niobium and titanium to enhance performance
This datasheet provides a comprehensive overview of the 430LNbTi grade, ensuring a clear understanding of its properties and applications.