EN 10028-7 Grade X1CrNi25-21 solution annealed (+AT)

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Description

The austenitic steel X1CrNi25-21 is melted of restricted chemical analysis, it shows high corrosion resistance to oxidizing acids (especially nitrous acid) and a very good stability against chloritic media and acids. The material is resistant to intercrystalline corrosion also in sensitized condition. Application: in urea synthesis, for construction parts with nitric acid admission (maximum 70% concentration) and increased temperature, in fertilizer industry as well as for various chemical processes.

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

7.76 - 7.9 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

206 GPa

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20.0 °C

195 - 196 GPa

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100.0 °C

190 GPa

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200.0 °C

182 GPa

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300.0 °C

174 GPa

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400.0 °C

166 GPa

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500.0 °C

158 GPa

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600.0 °C

150 GPa

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700.0 °C

142 GPa

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800.0 °C

134 GPa

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900.0 °C

127 GPa

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1000.0 °C

120 GPa

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Elongation A80, transverse

20.0 °C

40 %

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Elongation, transverse

20.0 °C

40 %

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Austenitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

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Typical for Austenitic Stainless Steel

Tensile strength

20.0 °C

470 - 670 MPa

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50.0 °C

459 MPa

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100.0 °C

440 MPa

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150.0 °C

425 MPa

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200.0 °C

410 MPa

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250.0 °C

390 MPa

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300.0 °C

385 MPa

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350.0 °C

380 MPa

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Tensile strength, transverse

20.0 °C

470 - 670 MPa

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Yield strength Rp0.2

50.0 °C

181 MPa

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100.0 °C

150 MPa

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150.0 °C

140 MPa

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200.0 °C

130 MPa

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250.0 °C

120 MPa

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300.0 °C

115 MPa

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350.0 °C

110 MPa

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400.0 °C

105 MPa

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Yield strength Rp0.2, transverse

20.0 °C

200 MPa

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Yield strength Rp1.0

50.0 °C

217 MPa

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100.0 °C

180 MPa

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150.0 °C

170 MPa

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200.0 °C

160 MPa

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250.0 °C

150 MPa

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300.0 °C

140 MPa

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350.0 °C

135 MPa

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400.0 °C

130 MPa

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Yield strength Rp1.0, transverse

20.0 °C

240 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.49E-5 1/K

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20.0 °C

1.61E-5 1/K

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100.0 °C

1.58E-5 - 1.67E-5 1/K

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200.0 °C

1.61E-5 - 1.72E-5 1/K

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300.0 °C

1.65E-5 - 1.77E-5 1/K

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400.0 °C

1.69E-5 - 1.81E-5 1/K

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500.0 °C

1.73E-5 - 1.84E-5 1/K

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600.0 °C

1.88E-5 1/K

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700.0 °C

1.91E-5 1/K

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800.0 °C

1.94E-5 1/K

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900.0 °C

1.97E-5 1/K

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1000.0 °C

2E-5 1/K

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Melting point

1230 - 1480 °C

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Typical for Austenitic Stainless Steel

Specific heat capacity

-100.0 °C

440 J/(kg·K)

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20.0 °C

450 - 472 J/(kg·K)

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100.0 °C

487 J/(kg·K)

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200.0 °C

503 J/(kg·K)

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300.0 °C

512 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

541 J/(kg·K)

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700.0 °C

551 J/(kg·K)

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800.0 °C

559 J/(kg·K)

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900.0 °C

565 J/(kg·K)

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1000.0 °C

571 J/(kg·K)

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Thermal conductivity

20.0 °C

11.9 - 14 W/(m·K)

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100.0 °C

13.3 W/(m·K)

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200.0 °C

15.1 W/(m·K)

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300.0 °C

16.7 W/(m·K)

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400.0 °C

18.3 W/(m·K)

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500.0 °C

19.8 W/(m·K)

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600.0 °C

21.3 W/(m·K)

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700.0 °C

22.8 W/(m·K)

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800.0 °C

24.3 W/(m·K)

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900.0 °C

25.7 W/(m·K)

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1000.0 °C

27.1 W/(m·K)

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Thermal diffusivity

20.0 °C

3.3 mm²/s

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100.0 °C

3.4 mm²/s

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200.0 °C

3.7 mm²/s

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300.0 °C

4.1 mm²/s

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400.0 °C

4.3 mm²/s

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500.0 °C

4.5 mm²/s

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600.0 °C

4.7 mm²/s

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700.0 °C

5 mm²/s

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800.0 °C

5.4 mm²/s

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900.0 °C

5.7 mm²/s

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1000.0 °C

5.8 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

8.5E-7 - 9.59E-7 Ω·m

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100.0 °C

1.01E-6 Ω·m

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200.0 °C

1.05E-6 Ω·m

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300.0 °C

1.1E-6 Ω·m

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400.0 °C

1.13E-6 Ω·m

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500.0 °C

1.17E-6 Ω·m

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600.0 °C

1.19E-6 Ω·m

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700.0 °C

1.22E-6 Ω·m

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800.0 °C

1.24E-6 Ω·m

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900.0 °C

1.26E-6 Ω·m

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1000.0 °C

1.28E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.02 %

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Chromium

24 - 26 %

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Manganese

2 %

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Molybdenum

0.2 %

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Nickel

20 - 22 %

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Nitrogen

0.1 - 0.11 %

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Phosphorus

0.03 %

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Silicon

0.25 %

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Sulfur

0.01 %

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