DIN 17440 Grade X12CrMoS17 soft annealed (+A)

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Description

Properties: - stainless free cutting steel - application in quenched and tempered state - corrosion resistance is similar to an 13%-Cr-steel, because of its sulfur additional - application temperature: -25 to 550 °C Application: - for application enviroment like water, steam, weak alkaline and neutral media - for screws, nuts, fittings, axis, bolts, spindles - for magnetic valve

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

7.65 - 7.7 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

196 - 216 GPa

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100.0 °C

213 GPa

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200.0 °C

207 GPa

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300.0 °C

200 GPa

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400.0 °C

192 GPa

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Elongation

20.0 °C

16 %

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Hardness, Brinell

20.0 °C

230 [-]

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Martensitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

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Typical for Martensitic Stainless Steel

Tensile strength

20.0 °C

540 - 740 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

9.2E-6 1/K

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20.0 °C

9.9E-6 1/K

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100.0 °C

1E-5 - 1.03E-5 1/K

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200.0 °C

1.05E-5 - 1.08E-5 1/K

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300.0 °C

1.05E-5 - 1.12E-5 1/K

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400.0 °C

1.05E-5 - 1.16E-5 1/K

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500.0 °C

1.1E-5 - 1.19E-5 1/K

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600.0 °C

1.21E-5 1/K

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700.0 °C

1.24E-5 1/K

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800.0 °C

1.29E-5 1/K

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900.0 °C

1.34E-5 1/K

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1000.0 °C

1.39E-5 1/K

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Max service temperature, long

-25 - 550 °C

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Melting point

1370 - 1530 °C

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Typical for Martensitic Stainless Steel

Specific heat capacity

20.0 °C

450 - 460 J/(kg·K)

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100.0 °C

482 J/(kg·K)

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200.0 °C

506 J/(kg·K)

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300.0 °C

525 J/(kg·K)

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400.0 °C

547 J/(kg·K)

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500.0 °C

576 J/(kg·K)

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600.0 °C

616 J/(kg·K)

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Thermal conductivity

20.0 °C

19.6 - 25 W/(m·K)

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Thermal diffusivity

20.0 °C

5.7 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

6.17E-7 - 7E-7 Ω·m

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Chemical properties

PropertyValue

Carbon

0.1 - 0.17 %

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Chromium

15.5 - 17.5 %

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Manganese

1.5 %

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Molybdenum

0.2 - 0.6 %

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Phosphorus

0.06 %

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Silicon

1 %

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Sulfur

0.15 - 0.35 %

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