Alloy 1.4003 Technical Data Sheet:

General information:

Alloy: 1.4003
Trade names: X2CrNi12, AISI 410L
Material number: 1.4003
DIN standard: X2CrNi12
UNS number: S40977

Chemical composition:

Carbon content (C): 0.03% max.
Silicon content (Si): 1.00% max.
Manganese (Mn): 1.50% max.
Phosphorus (P): 0.04% max.
Sulfur (S): 0.03% max.
Chromium (Cr): 10.50–12.50%
Nickel (Ni): 0.30–1.00%

Physical properties:

Density: 7.70 g/cm³
Melting point: 1425–1490°C
Thermal conductivity: 25 W/(m·K)
Electrical conductivity: 0.45 Ωmm²/m
Specific electrical resistance: 0.23 μΩm

Mechanical properties:

Tensile strength: 450–650 N/mm²
Yield strength: 280–400 N/mm²
Elongation at break: 20–35%
Hardness: 170–220 HB

Heat treatment:

Hardenability: by quenching and tempering at temperatures between 950 and 1050°C
Tempering hardness: at 600–700°C for an optimal combination of hardness and toughness

Applications:

Construction, e.g. façade cladding and gutters
Automotive industry, e.g. exhaust systems and catalytic converters
Kitchen and sanitary industry, e.g. sinks and washbasins
Chemical industry
General mechanical engineering

Please note that the values stated here are guideline values and may vary depending on the manufacturing process, dimensions, and testing method. It is recommended to check the manufacturer’s specifications before use.