EN 10088-1 Grade X3CrTi17 soft annealed (+A)

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Description

Acc. VdTÜV material data sheet 494 : 1996-06 the stainless ferritic steel X 6 CrTi 17, mat. no. 1.4510, is used for longitudinal welded tubes for pressure vessels acc. TRB 100 and AD data sheet W 2 at operating temperatures from - 10 to 280 °C. and pressures up to 50 bar and for type approved hot water boiler up to 100 °C. The weldability is examined allowing for the generally accepted engineering rules for inert arc welding without filler or with wire electrode and for seam welding. Preheating is mostly not necessary, the intermediate layer temperature amounts to max. 200 °C. An heat treatment after the welding is unusual. Longitudinal welded tubes have to recrystallising annealed. The material is also in the welded condition resistant against intercrystalline corrosion. For the material acc. DIN EN 10088-1 : 1995-08 applies: The mark X3CrTi17 is comparable to X 6 CrTi 17 (here higher C-content). This material is a ferritic steel with comparable general corrosion properties like 1.4016. It is widely resistant in water, steam, weak acids and bases as well as in oxidizing acids. The steel shows increased stress corrosion resistance in hot bases, low chloride containing water. No risk of intercrystalline corrosion after welding due to Ti-addition, but it is therefore unsuitable for mirror finishing. Application for welded parts in washing machines (lye tanks) and partly in chemical apparatus engineering (weak acids), in dairy, food, brewery, dyeing and soap industry.

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

7.56 - 7.7 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

218 - 220 GPa

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100.0 °C

213 - 215 GPa

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200.0 °C

206 - 210 GPa

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300.0 °C

198 - 205 GPa

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400.0 °C

190 - 195 GPa

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500.0 °C

180 GPa

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600.0 °C

167 GPa

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700.0 °C

150 GPa

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Elongation

20.0 °C

23 %

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Elongation A80

20.0 °C

23 %

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Elongation A80, transverse

20.0 °C

23 %

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Elongation, transverse

20.0 °C

23 %

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Ferritic Stainless Steel

Shear modulus

23.0 °C

77 GPa

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Typical for Ferritic Stainless Steel

Tensile strength

20.0 °C

420 - 600 MPa

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Tensile strength, transverse

20.0 °C

420 - 600 MPa

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Yield strength Rp0.2

20.0 °C

230 MPa

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100.0 °C

195 MPa

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150.0 °C

190 MPa

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200.0 °C

185 MPa

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250.0 °C

175 MPa

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300.0 °C

165 MPa

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350.0 °C

155 MPa

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Yield strength Rp0.2, transverse

20.0 °C

240 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

20.0 °C

9.9E-6 1/K

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100.0 °C

1E-5 - 1.03E-5 1/K

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200.0 °C

1E-5 - 1.08E-5 1/K

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300.0 °C

1.05E-5 - 1.12E-5 1/K

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400.0 °C

1.05E-5 - 1.16E-5 1/K

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500.0 °C

1.1E-5 - 1.19E-5 1/K

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600.0 °C

1.21E-5 1/K

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700.0 °C

1.24E-5 1/K

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800.0 °C

1.29E-5 1/K

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Max service temperature, long

-10 - 280 °C

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Melting point

1425 - 1530 °C

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Typical for Ferritic Stainless Steel

Specific heat capacity

20.0 °C

450 - 460 J/(kg·K)

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100.0 °C

482 J/(kg·K)

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200.0 °C

506 J/(kg·K)

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300.0 °C

525 J/(kg·K)

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400.0 °C

547 J/(kg·K)

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500.0 °C

576 J/(kg·K)

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600.0 °C

616 J/(kg·K)

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Thermal conductivity

20.0 °C

16 - 25 W/(m·K)

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100.0 °C

17.2 W/(m·K)

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200.0 °C

18.6 W/(m·K)

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300.0 °C

20 W/(m·K)

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400.0 °C

21.2 W/(m·K)

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500.0 °C

22.3 W/(m·K)

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600.0 °C

23.3 W/(m·K)

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700.0 °C

24.1 W/(m·K)

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800.0 °C

25.5 W/(m·K)

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900.0 °C

26.9 W/(m·K)

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1000.0 °C

28.3 W/(m·K)

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Thermal diffusivity

20.0 °C

4.7 mm²/s

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100.0 °C

4.5 mm²/s

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200.0 °C

4.5 mm²/s

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300.0 °C

4.6 mm²/s

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400.0 °C

4.4 mm²/s

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500.0 °C

4.1 mm²/s

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600.0 °C

3.6 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

6E-7 - 9.06E-7 Ω·m

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100.0 °C

9.42E-7 Ω·m

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200.0 °C

9.87E-7 Ω·m

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300.0 °C

1.03E-6 Ω·m

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400.0 °C

1.08E-6 Ω·m

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500.0 °C

1.12E-6 Ω·m

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600.0 °C

1.18E-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

1.27E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.05 %

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Chromium

16 - 18 %

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Manganese

1 %

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Phosphorus

0.04 %

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Silicon

1 %

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Sulfur

0.015 %

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Titanium

0.8 %

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