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EN 10217-3: WStE 460 Normalized Steel Tube Grade for High-Performance Applications

The fine grain steel WStE 460 is used for special requirements according to DIN 17178 : 1986-5 for welded steel tubes and according to DIN 17179 : 1986-5 for seamless steel tubes. These steel tubes are used above all in pressure vessel construction, apparatus construction, pipe construction, as well as in general machine and equipment construction. The corresponding rules in the procedure manuals have to be complied with, for example Technische Regeln Druckbehälter (TRB) [Technical Rules for Pressure Vessels], Technische Regeln Dampfkessel (TRD) [Technical Rules for Steam Boilers], specifications sheets of the AG-Druckbehälter [Team for Pressure Vessels] (AD-specifications sheets), Technische Regeln brennbare Flüssigkeiten (TRbB) [Technical Rules for Flammable Liquids], Technische Regeln Druckgase (TRG) [Technical Rules for Pressure Gases], Technische Regeln Gashochdruckleitungen (TRGL) [Technical Rules for high-pressure Pipes for Gases]. Special requirements regarding further processing (for example zinc coating, chromium coating or enamelling) have to be negotiated at the time of ordering. For welded tubes, one can assume a 100% use of the allowed calculated stress of the welding seam. WStE 460 can be used in temperature range from -20 up to 400 degrees C.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.84 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

217 GPa

20.0 °C

212 GPa

100.0 °C

207 GPa

200.0 °C

199 GPa

300.0 °C

192 GPa

400.0 °C

184 GPa

500.0 °C

175 GPa

600.0 °C

164 GPa

Elongation

20.0 °C

19 %

Elongation, transverse

20.0 °C

17 %

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Steel

Tensile strength

20.0 °C

560 - 730 MPa

Tensile strength, transverse

20.0 °C

560 - 730 MPa

Yield strength

20.0 °C

440 - 460 MPa

Yield strength Rp0.2

100.0 °C

382 - 402 MPa

150.0 °C

353 - 373 MPa

200.0 °C

333 - 343 MPa

250.0 °C

304 - 314 MPa

300.0 °C

284 - 294 MPa

350.0 °C

255 - 265 MPa

400.0 °C

226 - 235 MPa

Yield strength, transverse

20.0 °C

440 - 460 MPa

Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

-100.0 °C

1.05E-5 1/K

20.0 °C

1.15E-5 1/K

100.0 °C

1.21E-5 1/K

200.0 °C

1.27E-5 1/K

300.0 °C

1.32E-5 1/K

400.0 °C

1.36E-5 1/K

500.0 °C

1.4E-5 1/K

600.0 °C

1.44E-5 1/K

Max service temperature, long

-20 - 400 °C

Specific heat capacity

-100.0 °C

423 J/(kg·K)

20.0 °C

461 J/(kg·K)

100.0 °C

479 J/(kg·K)

200.0 °C

499 J/(kg·K)

300.0 °C

517 J/(kg·K)

400.0 °C

536 J/(kg·K)

500.0 °C

558 J/(kg·K)

600.0 °C

587 J/(kg·K)

Thermal conductivity

-100.0 °C

34.7 W/(m·K)

20.0 °C

39.7 W/(m·K)

100.0 °C

40.9 W/(m·K)

200.0 °C

41 W/(m·K)

300.0 °C

39.9 W/(m·K)

400.0 °C

38.2 W/(m·K)

500.0 °C

36.1 W/(m·K)

600.0 °C

33.8 W/(m·K)

Thermal diffusivity

-100.0 °C

11.9 mm²/s

20.0 °C

11 mm²/s

100.0 °C

10.5 mm²/s

200.0 °C

9.9 mm²/s

300.0 °C

9.1 mm²/s

400.0 °C

8.1 mm²/s

500.0 °C

6.9 mm²/s

600.0 °C

5.7 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

-100.0 °C

1.97E-7 Ω·m

20.0 °C

2.62E-7 Ω·m

100.0 °C

3.13E-7 Ω·m

200.0 °C

3.85E-7 Ω·m

300.0 °C

4.7E-7 Ω·m

400.0 °C

5.69E-7 Ω·m

500.0 °C

6.85E-7 Ω·m

600.0 °C

8.2E-7 Ω·m

Chemical properties

PropertyValue

Aluminium

0.02 %

Carbon

0.2 %

Chromium

0.3 %

Copper

0.2 %

Manganese

1 - 1.7 %

Molybdenum

0.1 %

Nickel

1 %

Nitrogen

0.02 %

Phosphorus

0.04 %

Silicon

0.1 - 0.6 %

Sulfur

0.03 %

Titanium

0.2 %

Vanadium

0.22 %


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    1. EN 10217-3: Grade EStE 420 Steel – Normalized / Normalized Formed (+N) – Technical Specifications
    2. EN 10217-3 Grade EStE 460 – Normalized or Normalized Formed Steel Tubes (+N)
    3. EN 10217-3: Grade TStE 460 Normalized Steel Tubes for High-Pressure and Industrial Applications
    4. EN 10217-3 Grade WStE 420: Normalized or Normalized Formed Steel Tubes (+N)
    5. EN 10217-3 Grade StE 285 Steel Tubes – Normalized or Normalized Formed (N) for High-Pressure Applications
    6. EN 10217-3 Grade StE 355 – Normalized or Normalized Formed (+N) Steel Tubes for Pressure Vessels & Industrial Use
    7. EN 10217-3 StE 460 Steel: Normalized Grade for Pressure Vessels, Pipes & Machinery
    8. EN 10217-3 WStE 255: Normalized or Normalized Formed Steel Grade for Pressure Vessels
    9. EN 10217-3 Grade WStE 285 – Normalized or Normalized Formed Steel for Pressure Vessels and Piping
    10. EN 10217-3: Grade WStE 355 – Normalized or Normalized Formed Steel Tubes