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Normalised fine grained structural steel

Normalised fine grained structural steel according DIN EN 10025-3

QualityTesting directionMaterial-No.Yield point ReL min. (MPa)

≤ 16 mm
Yield point ReL min. (MPa)

16 ≤ 40 mm
Tensile strength Rm (MPA)

≤ 3 mm
Tensile strength Rm (MPA)

3 ≤ 40 mm
Elongation A5 (in %) min.

≤ 63 mm
Impact value Temp. °CImpact value KV / J
S275NQ1.0490275265370 - 510350 - 48024-2040
S275NLQ1.0491275265370 - 510350 - 48024-5027
S355NQ1.0545355345470 - 630450 - 60022-2040
S355NLQ1.0546355345470 - 630450 - 60022-5027
S420NQ1.8902420400520 - 680500 - 65019-2040
S420NLQ1.8912420400520 - 680500 - 65019-5027
S460NQ1.8903460440550 - 720530 - 70017-2040
S460NLQ1.8903460440550 - 720530 - 70017-5027

Normalised fine grained structural steel according DIN EN 10025-4

QualityTesting directionMaterial-No.Yield point ReL min. (MPa)

≤ 16 mm
Yield point ReL min. (MPa)

16 ≤ 40 mm
Tensile strength Rm (MPA)

≤ 40 mm
Elongation A5 (in %) min.Impact value Temp. °CImpact value KV / J
S275MQ1.8818275265370 - 53024-2040
S275MLQ1.8819275265370 - 53024-5027
S355MQ1.8823355345470 - 63022-2040
S355MLQ1.8834355345470 - 63022-5027
S420MQ1.8825420400520 - 68019-2040
S420MLQ1.8836420400520 - 68019-5027
S460MQ1.8827460440540 - 72017-2040
S460MLQ1.8838460440540 - 72017-5027

Our product portfolio includes, among others, normalized fine grain structural steel according to DIN EN 10025-3 and DIN EN 10025-4. Below this, the grades S275N to S460ML are incorporated.

Compared to conventional non-alloyed structural steels, fine-grained structural steels are characterized by increased toughness. This results in improved properties during processing. As already mentioned in the title, the delivery condition is “normalized”. The original microstructure is regained by normalizing, making normalized fine-grained steels ideal for components made by traditional hot forming. Alternatively, these steels can be used for components that are then normally annealed in the manufacturing process.

The first details can be found in the table above.

In addition, you can download the complete excerpt from our Quality Guides (QG) for the S275, S355, S420 and S460 grades via the link above.

We can supply the steel grades described as coil, slitted coils, sheets and cutted pieces.


The standard DIN EN 10025-3 replaces the following previous editions.

  • DIN EN 10113-2
  • DIN 17102

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