Alloy 1.4512 Technical Data Sheet:
General information:
Alloy: 1.4512
Trade names: X2CrTi12, AISI 409
Material number: 1.4512
DIN standard: X2CrTi12
UNS number: S40900
Chemical composition:
Carbon content (C): 0.03% max.
Silicon content (Si): 1.00% max.
Manganese (Mn): 1.00% max.
Phosphorus (P): 0.04% max.
Sulfur (S): 0.03% max.
Chromium (Cr): 10.50–12.50%
Titanium (Ti): 0.30% max.
Physical properties:
Density: 7.7 g/cm³
Melting point: 1425–1510°C
Thermal conductivity: 25 W/(m·K)
Electrical conductivity: 0.6 Ωmm²/m
Specific electrical resistance: 0.17 μΩm
Mechanical properties:
Tensile strength: 380–550 N/mm²
Yield strength: 220–350 N/mm²
Elongation at break: 20–30%
Hardness: 150–200 HB
Heat treatment:
Hardenability: by quenching and tempering at temperatures between 850 and 950°C
Tempering hardness: at 550–650°C for an optimal combination of hardness and toughness
Applications:
Automotive industry, e.g. exhaust systems and catalytic converters
Household appliances, e.g. extractor hoods
Construction and architecture industry, e.g. façade cladding and gutters
Food industry, e.g. mechanical engineering and piping systems
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.
