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 point: 220 - 350 N/mm²

Elongation at break: 20 - 30%

Hardness: 150 - 200 HB


Heat treatment:

Hardenability: by tempering at temperatures between 850 and 950 °C

Tempering hardness: at 550 - 650 °C for an optimal combination of hardness and toughness


Application areas:

Automotive industry (e.g. exhaust systems, catalytic converters)

Household appliances (e.g. extractor hoods)

Construction and architecture industry (e.g. facade cladding, gutters)

Food industry (e.g. mechanical engineering, pipelines)


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