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Ferro-Titanit® Nikro 128

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Description

The matrix structure consists of a highly tough, age-hardenable nickel martensite. The chromium content of 13.5 % provides good corrosion resistance. Finish-machining is performed in the solution-annealed, as- delivered condition. Subsequent age-hardening takes place at a relatively low temperature of 480 °C and can be conducted, for example, in a convection air furnace or an electrically heated chamber furnace.

Properties

Electrical

Electrical resistivity ρel

1.1E-6 Ω·m at 20 °C

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General

Density ρ

6.6 g/cm³ at 20 °C

Grain structure

Titanium carbide + nickel martensite

Magnetic

Coercive force Hc

3700 A/m at 20 °C

Remanence Br

0.19 T at 20 °C

Saturation polarization Js

0.74 T at 20 °C

Mechanical

Compressive strength Rmc

2750 MPa at 20 °C

Elastic modulus E

294 GPa at 20 °C

Flexural strength σbend

1200 MPa at 20 °C

Hardness, Rockwell C HRC

62 [-] at 20 °C

Shear modulus G

117 GPa at 20 °C

Thermal

Annealing temperature Tanneal

850 °C

2-4 h vacuum

Coefficient of thermal expansion α

8.3E-6 1/K at 100 °C

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Thermal conductivity λ

17.1 W/(m·K) at 100 °C

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Chemical properties

Element

Weight %

Comment

Fe

-

balance

Other

-

TiC 30 wt-%

Cr

13.5 %

Co

9 %

Mo

5 %

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Technological properties

Application areas

In heat-treated, hardened condition (up to 69 HRC), Ferro-Titanit® can be used to solve many wear problems economically.

General machinability

In as-delivered condition, this material can be machined by conventional methods.

This material data has been provided by Deutsche Edelstahlwerke Specialty Steel (DEW).

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.