EN 10225 Grade S355G14 normalized or normalized formed (+N)

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Description

The standard is applicable to steels for offshore structures, designed to operate in the offshore sector but not to steels supplied for the fabrication of subsea pipelines, risers, process equipment, process piping, and other utilities. It is primarily applicable to the North Sea Sector, but may also be applicable in other areas provided that due consideration is given to local conditions e.g. temperature.

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

PropertyTemperatureValueComment

Density

23.0 °C

7.8 - 7.9 g/cm³

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Typical for Medium Carbon Steel

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

200 - 215 GPa

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Typical for Medium Carbon Steel

Elongation

20.0 °C

22 %

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Poisson's ratio

23.0 °C

0.29 [-]

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Typical for Medium Carbon Steel

Shear modulus

23.0 °C

75 - 80 GPa

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Typical for Carbon Steel

Tensile strength

20.0 °C

460 - 620 MPa

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Yield strength

20.0 °C

345 - 355 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.32E-5 1/K

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Typical for Medium Carbon Steel

Max service temperature

500 °C

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Typical for Carbon Steel

Melting point

1380 - 1514 °C

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Typical for Medium Carbon Steel

Specific heat capacity

23.0 °C

470 - 520 J/(kg·K)

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Typical for Medium Carbon Steel

Thermal conductivity

23.0 °C

21 - 52 W/(m·K)

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Typical for Medium Carbon Steel

Electrical

PropertyTemperatureValueComment

Electrical resistivity

23.0 °C

1.43E-7 - 1.74E-7 Ω·m

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Typical for Carbon Steel

Chemical properties

PropertyValue

Aluminium

0.06 %

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Antimony

0.01 %

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Arsenic

0.03 %

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Bismuth

0.01 %

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Boron

1E-3 %

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Calcium

5E-3 %

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Carbon

0.18 %

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Chromium

0.25 %

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Copper

0.35 %

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Lead

0.01 %

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Manganese

1.6 %

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Molybdenum

0.08 %

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Nickel

0.3 %

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Niobium

0.05 %

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Nitrogen

0.01 %

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Phosphorus

0.03 %

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Silicon

0.15 - 0.55 %

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Sulfur

0.01 %

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Tin

0.02 %

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Titanium

0.02 %

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Vanadium

0.1 %

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