EN 10025-3 Grade S420NL normalized or normalized formed (+N)

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Description

The alloyed, normalised/normalising rolled high grade steel S420NL is a weldable fine-grained steel with a min. yield point of 420 N/mm². The steel is applicated in normalized condition for several types of welded constructions such as fixed and movable storage container, high-pressure pipes, bridge and load-bearing constructions etc. Cold forming: Suitability for cold bending, folding, cold flanging or cold welting has to be agreed. For sheet, strip and wide flat steel in normalized condition, for nominal thickness (s) up to 16 mm can be warranted the following bending radius values: longitudinal: 5 x s transverse: 4 x s Sheet and strip of nominal thicknesses < 8 mm for cold forming of sections is available on arrangement (e.g. for production of hollow sections). Requirements regarding hot dip zinc coating by arrangement.

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

7.84 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

217 GPa

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20.0 °C

212 GPa

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100.0 °C

207 GPa

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200.0 °C

199 GPa

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300.0 °C

192 GPa

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400.0 °C

184 GPa

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500.0 °C

175 GPa

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600.0 °C

164 GPa

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Elongation

20.0 °C

17 - 19 %

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Poisson's ratio

23.0 °C

0.29 [-]

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Typical for Low Carbon Steel

Shear modulus

23.0 °C

82 GPa

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Typical for Low Carbon Steel

Tensile strength

20.0 °C

480 - 680 MPa

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Yield strength

20.0 °C

320 - 420 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.05E-5 1/K

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20.0 °C

1.15E-5 1/K

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100.0 °C

1.21E-5 1/K

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200.0 °C

1.27E-5 1/K

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300.0 °C

1.32E-5 1/K

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400.0 °C

1.36E-5 1/K

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500.0 °C

1.4E-5 1/K

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600.0 °C

1.44E-5 1/K

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Max service temperature

500 °C

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Typical for Carbon Steel

Melting point

1480 - 1526 °C

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Typical for Low Carbon Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

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20.0 °C

461 J/(kg·K)

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100.0 °C

479 J/(kg·K)

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200.0 °C

499 J/(kg·K)

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300.0 °C

517 J/(kg·K)

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400.0 °C

536 J/(kg·K)

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500.0 °C

558 J/(kg·K)

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600.0 °C

587 J/(kg·K)

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Thermal conductivity

-100.0 °C

35.4 W/(m·K)

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20.0 °C

40.4 W/(m·K)

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100.0 °C

42 W/(m·K)

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200.0 °C

42 W/(m·K)

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300.0 °C

40.8 W/(m·K)

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400.0 °C

38.9 W/(m·K)

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500.0 °C

36.6 W/(m·K)

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600.0 °C

34.3 W/(m·K)

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Thermal diffusivity

-100.0 °C

12.1 mm²/s

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20.0 °C

11.2 mm²/s

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100.0 °C

10.8 mm²/s

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200.0 °C

10.1 mm²/s

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300.0 °C

9.3 mm²/s

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400.0 °C

8.3 mm²/s

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500.0 °C

7 mm²/s

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600.0 °C

5.8 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

-100.0 °C

1.93E-7 Ω·m

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20.0 °C

2.58E-7 Ω·m

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100.0 °C

3.05E-7 Ω·m

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200.0 °C

3.76E-7 Ω·m

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300.0 °C

4.6E-7 Ω·m

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400.0 °C

5.59E-7 Ω·m

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500.0 °C

6.75E-7 Ω·m

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600.0 °C

8.08E-7 Ω·m

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Magnetic

PropertyValueComment

Curie temperature

770 °C

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Typical for Low Carbon Steel

Chemical properties

PropertyValue

Aluminium

0.02 %

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Carbon

0.2 %

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Chromium

0.3 %

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Copper

0.55 - 0.7 %

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Manganese

1 - 1.7 %

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Molybdenum

0.1 %

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Nickel

0.8 %

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Niobium

0.05 - 0.2 %

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Nitrogen

0.03 %

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Phosphorus

0.03 %

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Silicon

0.6 %

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Sulfur

0.02 - 0.025 %

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Titanium

0.03 - 0.05 %

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Vanadium

0.05 - 0.2 %

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