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.

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