EN 10222-5 Grade X6CrNiMoTi17-12-2 solution annealed (+AT)

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Description

Trademark X6CrNiMoTi17-12-2 is comparable to X 6 CrNiMoTi 17 12 2 acc. to DIN 17440. This material is the stabilized by Ti variant of 1.4401. Increased corrosion resistance esp. to non-oxidizing acids and halogenated media owing to the high Mo-content. Application in chemical apparatus engineering preferably for textile, sulfit, cellulose, fatty acid, rubber and color industry. The steel shows due to the Ti-content an increased resistance to intercrystalline corrosion also in sensitized condition. This material is unsuitable for mirror finishing. Working temperature: -200 to 550 °C. Accredited for pressure vessel construction up to 300 °C, and up to 550 subject to absence of media causing intercrystalline attack. X6CrNiMoTi17-12-2 is used in construction trade because of its high corrosion resistance and strength for masonry bracings in concrete, as concrete steel for chimneys, facades and sanitary engineering. The Mo-alloyed stainless steel is accredited for load-bearing components (extended approval certificate No. Z-30.44.1 of the Institut für Bautechnik Berlin dated 1 February 1994). In this approval certificate are compiled demands on materials, calculation, construction and monitoring. Strength grades E 225, E 355 are common.

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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

7.96 - 8 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

206 GPa

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20.0 °C

196 - 200 GPa

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100.0 °C

190 - 194 GPa

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200.0 °C

182 - 186 GPa

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300.0 °C

174 - 179 GPa

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400.0 °C

166 - 172 GPa

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500.0 °C

158 - 165 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

35 - 45 %

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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

510 - 710 MPa

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Yield strength Rp0.2

20.0 °C

210 MPa

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Yield strength Rp1.0

20.0 °C

245 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

1.65E-5 - 1.67E-5 1/K

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200.0 °C

1.72E-5 - 1.75E-5 1/K

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300.0 °C

1.77E-5 - 1.8E-5 1/K

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400.0 °C

1.81E-5 - 1.85E-5 1/K

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500.0 °C

1.84E-5 - 1.9E-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

-200 - 550 °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

472 - 500 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

13.3 - 15 W/(m·K)

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100.0 °C

14.9 W/(m·K)

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200.0 °C

16.5 W/(m·K)

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300.0 °C

18.1 W/(m·K)

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400.0 °C

19.5 W/(m·K)

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500.0 °C

21 W/(m·K)

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600.0 °C

22.4 W/(m·K)

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700.0 °C

23.8 W/(m·K)

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800.0 °C

25.2 W/(m·K)

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Thermal diffusivity

20.0 °C

3.5 mm²/s

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100.0 °C

3.8 mm²/s

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200.0 °C

4 mm²/s

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300.0 °C

4.3 mm²/s

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400.0 °C

4.5 mm²/s

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500.0 °C

4.7 mm²/s

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600.0 °C

4.8 mm²/s

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700.0 °C

5.1 mm²/s

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800.0 °C

5.4 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.91E-7 Ω·m

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100.0 °C

8.45E-7 Ω·m

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200.0 °C

9.19E-7 Ω·m

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300.0 °C

9.77E-7 Ω·m

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400.0 °C

1.03E-6 Ω·m

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500.0 °C

1.08E-6 Ω·m

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600.0 °C

1.12E-6 Ω·m

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700.0 °C

1.15E-6 Ω·m

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800.0 °C

1.18E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.08 %

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Chromium

16.5 - 18.5 %

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Manganese

2 %

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Molybdenum

2 - 2.5 %

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Nickel

10.5 - 13.5 %

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Phosphorus

0.05 %

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Silicon

1 %

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Sulfur

0.015 %

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Titanium

0.7 %

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