EN 10088-1 Grade X1NiCrMoCu25-20-5 solution annealed (+AT)

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Description

Material X 1 NiCrMoCu 25 20 5 (X1NiCrMoCu25-20-5), material number 1.4539 is applicated for pressure vessels acc. to TRB 100 and AD-data sheet W 2 and W 10 from -60 to 400 °C., for steam boilers acc. to TRD 101, TRD 102 and TRD 107 up to 400 °C. as well as for pressure gas tanks as per TRG from -60 to 400 °C. Further application in nuclear power engineering as far as nuclear regulations or object-related specifications permit use from -60 to 400 °C. The welding suitability is examined allowing for generally accepted engineering rules for arc welding, TIG-welding, submerged and plasma welding. Preheating is not necessary, intermediate temperature should not exceed 100 °C. Heat treatment after welding is only in special cases (particular corrosion load) necessary (solution annealing and quenching). This material is cold and warm formable and resistant to intercrystalline corrosion in delivery and welded condition without heat treatment up to 400 °C. To the material acc. to DIN EN 10088-1 : 1995-08 applies: Material X1NiCrMoCu25-20-5 is comparable to X 1 NiCrMoCuN 25 20 5 acc. to SEW 400 : 1991-02. It is an austenitic steel with high resistance to strongly attacking organic and inorganic acids, with high resistance to pitting corrosion and wide resistance to stress corrosion. It shows the second best pitting index of all steels after 1.4529 (functional sum 39). The material is resistant to intercrystalline corrosion also in welded condition. Application in chemical and petrochemical industry, for flue gas desulfurizing plants, in cellulose and paper industry as well as for smokestack linings.

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 - 8 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

20.0 °C

20 - 35 %

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Elongation A80, transverse

20.0 °C

35 %

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Elongation, transverse

20.0 °C

30 - 35 %

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Hardness, Brinell

20.0 °C

230 [-]

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Hardness, Brinell, trans

20.0 °C

230 [-]

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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

520 - 1100 MPa

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Tensile strength, transverse

20.0 °C

520 - 730 MPa

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Yield strength Rp0.2

20.0 °C

230 - 400 MPa

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100.0 °C

205 MPa

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150.0 °C

190 MPa

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200.0 °C

175 MPa

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250.0 °C

160 MPa

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300.0 °C

145 MPa

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350.0 °C

135 MPa

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400.0 °C

125 MPa

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450.0 °C

115 MPa

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500.0 °C

110 MPa

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550.0 °C

105 MPa

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Yield strength Rp0.2, transverse

20.0 °C

220 - 240 MPa

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Yield strength Rp1.0

20.0 °C

260 MPa

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100.0 °C

235 MPa

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150.0 °C

220 MPa

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200.0 °C

205 MPa

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250.0 °C

190 MPa

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300.0 °C

175 MPa

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350.0 °C

165 MPa

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400.0 °C

155 MPa

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450.0 °C

145 MPa

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500.0 °C

140 MPa

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550.0 °C

135 MPa

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Yield strength Rp1.0, transverse

20.0 °C

260 - 270 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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Max service temperature, long

-196 - 400 °C

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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 - 12 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

9.59E-7 - 1E-6 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

19 - 21 %

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Copper

1.2 - 2 %

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Manganese

2 %

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Molybdenum

4 - 5 %

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Nickel

24 - 26 %

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Nitrogen

0.15 %

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Phosphorus

0.03 %

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Silicon

0.7 %

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Sulfur

0.01 %

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