SEW 385 Grade Ni36 soft annealed (+A)

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Description

The alloy is used for pieces with very small expansion, for lens masks, antennas, parts for general measurement technology, as well as for bimetals (according to DIN 1715). The break point temperature (temperature at which a break point in the expansion-temperature-curve occurs) is 230 degrees C. The material has extremely low thermal expansion at 100 degrees C. The cupping index at 1mm thickness is 9.5mm.

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

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

137 GPa

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100.0 °C

142 GPa

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200.0 °C

141 GPa

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300.0 °C

140 GPa

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400.0 °C

138 GPa

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500.0 °C

130 GPa

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600.0 °C

120 GPa

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Elongation

20.0 °C

30 %

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Poisson's ratio

23.0 °C

0.29 [-]

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Typical for Nickel Steel

Shear modulus

23.0 °C

76 GPa

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Typical for Nickel Steel

Tensile strength

20.0 °C

440 - 640 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

50.0 °C

8E-7 1/K

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100.0 °C

1.5E-6 1/K

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150.0 °C

1.9E-6 1/K

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200.0 °C

2.6E-6 1/K

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300.0 °C

5.3E-6 1/K

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400.0 °C

8.1E-6 1/K

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500.0 °C

9.9E-6 1/K

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600.0 °C

1.11E-5 1/K

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Melting point

1316 - 1595 °C

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Typical for Nickel Steel

Specific heat capacity

20.0 °C

515 J/(kg·K)

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Thermal conductivity

-250.0 °C

2 W/(m·K)

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-200.0 °C

6 W/(m·K)

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-100.0 °C

10 W/(m·K)

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20.0 °C

12.8 - 13 W/(m·K)

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100.0 °C

14 W/(m·K)

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200.0 °C

15.1 W/(m·K)

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300.0 °C

16.1 W/(m·K)

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400.0 °C

17 W/(m·K)

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500.0 °C

18.1 W/(m·K)

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600.0 °C

19.6 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.6E-7 - 7.8E-7 Ω·m

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100.0 °C

8.5E-7 Ω·m

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200.0 °C

9.2E-7 Ω·m

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300.0 °C

1E-6 Ω·m

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400.0 °C

1.05E-6 Ω·m

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500.0 °C

1.09E-6 Ω·m

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600.0 °C

1.13E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.05 - 0.1 %

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Manganese

0.5 %

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Nickel

35 - 37 %

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Silicon

0.3 - 0.5 %

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