EN 10216-5 Grade X1CrNiMoCuN20-18-7 solution annealed (+AT)

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Description

The high corrosion resistant austenitic steel X1CrNiMoCuN 20 18 7 (new designation: X1CrNiMoCuN20-18-7), mat. number 1.4547, is applicable for pressure vessels acc. to TRB 100 and pipeline systems acc. to TRB 100 as well as AD-data sheet W 2 and W 10 from -60 to 400 deg., for steam boilers as per TRD 101 or TRD 107 up to 400 deg. as well as for pressurized gas tanks acc. to TRG 201 and TRG 203 from -60 to 50 deg. Further application in nuclear power engineering as far as nuclear regulations or object-related specifications permit use from -60 to 400 deg. The material is also allowed for pressure devices acc. EG guideline 97/23/EG under consideration of the chapter 4 appendix I. The welding suitability of the steel is examined allowing for generally accepted engineering rules for arc hand welding, TIG-welding and plasma welding (using of alloyed, covered rod electrodes and welding rods as well as welding wire of type NiCr20Mo9Nb, intermediate temperature max. 100 deg., without preheating and heat after treatment). VdT_V-Wbl 473 : 2001-12 applies to strip and sheet, in terms of the mechanical-technological properties also for welded tubes. The material is resistant against intercrystalline corrosion in the delivery and welded condition up to400deg. To the material acc. to DIN EN 10088-1 : 1995-08 applies: The material X1CrNiMoCuN20-18-7 is applicated in solution annealed condition in the form of cold rolled strip, warm rolled strip, warm rolled sheet and rods, wire rod and profiles. It is resistant to intercrystalline corrosion also in sensitized condition.

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Equivalent Materials

This material data has been provided by WIAM.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

195 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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Elongation

20.0 °C

35 %

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Elongation, transverse

20.0 °C

30 %

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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

650 - 850 MPa

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Tensile strength, transverse

20.0 °C

650 - 850 MPa

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Yield strength Rp0.2

20.0 °C

300 MPa

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50.0 °C

267 MPa

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100.0 °C

230 MPa

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150.0 °C

205 MPa

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200.0 °C

190 MPa

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250.0 °C

180 MPa

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300.0 °C

170 MPa

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350.0 °C

165 MPa

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400.0 °C

160 MPa

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450.0 °C

153 MPa

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500.0 °C

148 MPa

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Yield strength Rp0.2, transverse

20.0 °C

300 MPa

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Yield strength Rp1.0

20.0 °C

340 MPa

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50.0 °C

306 MPa

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100.0 °C

270 MPa

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150.0 °C

245 MPa

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200.0 °C

225 MPa

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250.0 °C

212 MPa

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300.0 °C

200 MPa

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350.0 °C

195 MPa

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400.0 °C

190 MPa

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450.0 °C

184 MPa

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500.0 °C

180 MPa

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Yield strength Rp1.0, transverse

20.0 °C

340 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.65E-5 1/K

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200.0 °C

1.7E-5 1/K

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300.0 °C

1.75E-5 1/K

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400.0 °C

1.8E-5 1/K

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500.0 °C

1.8E-5 1/K

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Melting point

1230 - 1480 °C

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Typical for Austenitic Stainless Steel

Specific heat capacity

20.0 °C

500 J/(kg·K)

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Thermal conductivity

20.0 °C

14 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

8.5E-7 Ω·m

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Chemical properties

PropertyValue

Carbon

0.02 %

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Chromium

19.5 - 20.5 %

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Copper

0.5 - 1 %

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Manganese

1 %

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Molybdenum

6 - 7 %

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Nickel

17.5 - 18.5 %

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Nitrogen

0.18 - 0.25 %

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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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