DIN 17744 Grade NiCr19NbMo precipitation hardened (+P)

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Description

high-temperature resistant nickel alloy for sheet metals, volumes, bars, forgings - high-temperature resistant - corrosion resistant - hardenable - weldable - cold-tough Application - for construction units to 700°C high-temperature resistant and to 980°C to be resistant to scaling (turbine disks, housings and parts of liquid-fuel rockets)

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

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.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.2 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

-269.0 °C

210.9 GPa

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-195.0 °C

212.3 GPa

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20.0 °C

199 GPa

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27.0 °C

204.1 GPa

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100.0 °C

195 GPa

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200.0 °C

190 GPa

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300.0 °C

185 GPa

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400.0 °C

179 GPa

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500.0 °C

174 GPa

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600.0 °C

167 GPa

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700.0 °C

163 GPa

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800.0 °C

149 GPa

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900.0 °C

134 GPa

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Elongation

20.0 °C

8 - 11 %

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Elongation A50, transverse

20.0 °C

12 %

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Elongation, transverse

20.0 °C

5 %

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Hardness, Brinell

20.0 °C

331 [-]

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Hardness, Vickers

20.0 °C

350 [-]

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Poisson's ratio

-269.0 °C

0.3 [-]

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-195.0 °C

0.31 [-]

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27.0 °C

0.31 [-]

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Reduction of area

20.0 °C

15 - 20 %

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Reduction of area, transverse

20.0 °C

8 %

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Tensile strength

20.0 °C

1270 - 1750 MPa

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Tensile strength, transverse

20.0 °C

1240 MPa

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Yield strength Rp0.2

20.0 °C

1040 - 1440 MPa

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200.0 °C

1040 MPa

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300.0 °C

1020 MPa

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400.0 °C

1000 MPa

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500.0 °C

950 - 980 MPa

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600.0 °C

950 MPa

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700.0 °C

870 MPa

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800.0 °C

640 MPa

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Yield strength Rp0.2, transverse

20.0 °C

1040 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.28E-5 1/K

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200.0 °C

1.34E-5 1/K

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300.0 °C

1.38E-5 1/K

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400.0 °C

1.41E-5 1/K

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500.0 °C

1.43E-5 1/K

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600.0 °C

1.47E-5 1/K

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700.0 °C

1.56E-5 1/K

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800.0 °C

1.64E-5 1/K

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900.0 °C

1.72E-5 1/K

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Max service temperature, long

-250 - 700 °C

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Melting point

1200 - 1480 °C

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Typical for Nickel Chromium Iron Alloy

Specific heat capacity

20.0 °C

440 J/(kg·K)

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100.0 °C

450 J/(kg·K)

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200.0 °C

470 J/(kg·K)

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300.0 °C

500 J/(kg·K)

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400.0 °C

520 J/(kg·K)

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500.0 °C

530 J/(kg·K)

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600.0 °C

560 J/(kg·K)

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700.0 °C

630 J/(kg·K)

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800.0 °C

640 J/(kg·K)

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900.0 °C

650 J/(kg·K)

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Thermal conductivity

20.0 °C

13 W/(m·K)

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100.0 °C

13 W/(m·K)

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200.0 °C

14 W/(m·K)

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300.0 °C

15 W/(m·K)

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400.0 °C

17 W/(m·K)

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500.0 °C

19 W/(m·K)

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600.0 °C

21 W/(m·K)

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700.0 °C

23 W/(m·K)

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800.0 °C

25 W/(m·K)

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900.0 °C

27 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

800000 S/m

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Electrical resistivity

20.0 °C

1.25E-6 Ω·m

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Chemical properties

PropertyValue

Aluminium

0.3 - 0.7 %

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Boron

2E-3 - 6E-3 %

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Carbon

0.02 - 0.7 %

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Chromium

17 - 21 %

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Cobalt

1 %

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Copper

0.2 %

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Iron

11.33 - 24.3 %

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Manganese

0.35 %

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Molybdenum

2.8 - 3.3 %

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Nickel

50 - 55 %

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Niobium

4.8 - 5.5 %

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Phosphorus

0.02 %

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Silicon

0.35 %

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Sulfur

0.015 %

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Titanium

0.7 - 1.15 %

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