DIN 17440 Grade X17CrNi16-2 quenched and tempered (+QT)

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Description

The material X17CrNi16-2, mat. no. 1.4057, is used acc. DIN 17440 : 1996-09 for rods (for pressure vessels), forgings and drawn wire. For the application acc. DIN 17440 : 1985-07 (X 20 CrNi 17 2) resp. acc. DIN EN 10088-1,-2,-3 : 1995-08 (X17CrNi16-2) applies: The quench and temperable grade (17 % Cr) is good resistant to weak lyes and acids, stronger oxidising acids (e.g. nitric acid), water and steam. It is used for high loaded machine parts like pumps and compressors, ship building, food and cosemtic and acetic acid industry. The steel has good running properties and a good wear resistance and is high polishable. Sliding between parts with different conditions should be avoided because of seizing.

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

12 - 14 %

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Elongation, transverse

20.0 °C

5 %

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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

750 - 950 MPa

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Tensile strength, transverse

20.0 °C

750 - 950 MPa

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Yield strength

20.0 °C

550 MPa

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Yield strength Rp0.2

20.0 °C

550 MPa

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50.0 °C

515 MPa

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100.0 °C

495 MPa

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150.0 °C

475 MPa

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200.0 °C

460 MPa

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250.0 °C

450 MPa

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300.0 °C

430 MPa

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350.0 °C

390 MPa

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400.0 °C

345 MPa

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Yield strength Rp0.2, transverse

20.0 °C

550 MPa

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Yield strength, transverse

20.0 °C

550 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

1.1E-5 - 1.12E-5 1/K

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400.0 °C

1.1E-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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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

0.12 - 0.22 %

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Chromium

15 - 17 %

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Manganese

1.5 %

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Nickel

1.5 - 2.5 %

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Phosphorus

0.04 %

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Silicon

1 %

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Sulfur

0.015 %

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