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X2CrNiMo17-12-3 Solution-Annealed Steel (EN 10272) – High-Performance Pressure Vessel Grade

The austenitic steel grade X2CrNiMo17-12-3 acc. to DIN EN 10272 : 2001-01is used for hot and cold formed rods for pressure vessels. The material is resistant to intercrystalline corrosion also in sensitized condition.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

200 GPa

100.0 °C

194 GPa

200.0 °C

186 GPa

300.0 °C

179 GPa

400.0 °C

172 GPa

500.0 °C

165 GPa

Elongation

20.0 °C

40 %

Elongation, transverse

20.0 °C

30 %

Hardness, Brinell

20.0 °C

215 [-]

Hardness, Brinell, trans

20.0 °C

215 [-]

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Austenitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

Typical for Austenitic Stainless Steel

Tensile strength

20.0 °C

500 - 700 MPa

100.0 °C

430 MPa

150.0 °C

410 MPa

200.0 °C

390 MPa

250.0 °C

385 MPa

300.0 °C

380 MPa

350.0 °C

380 MPa

400.0 °C

380 MPa

450.0 °C

375 MPa

500.0 °C

360 MPa

Tensile strength, transverse

20.0 °C

500 - 700 MPa

Yield strength Rp0.2

20.0 °C

200 MPa

100.0 °C

165 MPa

150.0 °C

150 MPa

200.0 °C

137 MPa

250.0 °C

127 MPa

300.0 °C

119 MPa

350.0 °C

113 MPa

400.0 °C

108 MPa

450.0 °C

103 MPa

500.0 °C

100 MPa

550.0 °C

98 MPa

Yield strength Rp0.2, transverse

20.0 °C

200 MPa

Yield strength Rp1.0

20.0 °C

235 MPa

100.0 °C

200 MPa

150.0 °C

180 MPa

200.0 °C

165 MPa

250.0 °C

153 MPa

300.0 °C

145 MPa

350.0 °C

139 MPa

400.0 °C

135 MPa

450.0 °C

130 MPa

500.0 °C

128 MPa

550.0 °C

127 MPa

Yield strength Rp1.0, transverse

20.0 °C

235 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.6E-5 1/K

200.0 °C

1.65E-5 1/K

300.0 °C

1.7E-5 1/K

400.0 °C

1.75E-5 1/K

500.0 °C

1.8E-5 1/K

Melting point

1230 - 1480 °C

Typical for Austenitic Stainless Steel

Specific heat capacity

20.0 °C

500 J/(kg·K)

Thermal conductivity

20.0 °C

15 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.5E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.03 %

Chromium

16.5 - 18.5 %

Manganese

2 %

Molybdenum

2.5 - 3 %

Nickel

10.5 - 13 %

Nitrogen

0.1 - 0.11 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.015 - 0.03 %


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