EN 10113-3 Grade S355ML thermomechanically rolled

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Description

S355ML is a weldable fine-grained steel with a min. yield point of 355 N/mm². The steel is applicated in thermo mechanical rolled condition for several types of welded constructions such as fixed and movable storage container, high-pressure pipes, bridge and load-bearing constructions. Subsequent heating above 580°C for thermo mechanical rolled products causes reduction of the strength properties. Application limit: at -50°C is warranted a notch impact energy of 27J (longitudinal test specimen). The carbon equivalent (by arrangement) amounts to: for nominal size: < 16 mm: 0,39% > 16 < 40 mm: 0,39% > 40 < 63 mm: 0,40% > 63 < 150 mm: 0,45% Cold forming: Suitability for cold bending, folding, cold flanging or cold welting has to be agreed. For sheet, strip and wide flat steel in thermo mechanical rolled condition, for nominal thickness (s) up to 12 mm can be warranted the following bending radius values: longitudinal: 2,5 x s transverse: 2 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). Warm forming: thermo mechanical rolled products are unsuitable for warm forming. Surface refineability: S355ML has to be suitable by arrangement for hot galnanizing and it has to meet the appropriate product quality requirements.

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 g/cm³

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Typical for Steel

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

190 - 210 GPa

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Typical for Steel

Elongation

20.0 °C

22 %

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Steel

Tensile strength

20.0 °C

430 - 630 MPa

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Yield strength

20.0 °C

320 - 355 MPa

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Chemical properties

PropertyValue

Aluminium

0.02 %

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Carbon

0.14 %

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Chromium

0.3 %

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Copper

0.55 %

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Manganese

1.6 %

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Molybdenum

0.1 - 0.2 %

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Nickel

0.3 - 0.5 %

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Niobium

0.05 %

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Nitrogen

0.02 %

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Phosphorus

0.03 %

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Silicon

0.5 %

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Sulfur

0.02 - 0.025 %

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Titanium

0.05 %

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Vanadium

0.1 %

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