EN 10025 S690QL

  • En

High strength quenched and tempered steel plate can be easily welded and fabricated.

We often find that steel plate to EN 10025 S690QL is called different things by different engineers. Plate to this specification and grade is variously described as:

  • High Strength Quenched and Tempered Steel Plate
  • High Yield Quenched and Tempered Steel Plate
  • High Strength Structural Steel Plate,
  • High Yield Structural Steel Plate
  • High Strength Low Alloy Steel Plate
  • HSLA

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Composition

Chemical Composition – EN10025 S690QL

Content % (ladle analysis), maximum

CSiMnPSBCrCuMo
0.20 0.80 1.70 0.020 0.010 0.005 1.50 0.50 0.70
N Nb* Ni Ti* V* Zr*      
0.015 0.06 2.0 0.05 0.12 0.15      

Properties

Mechanical Properties – EN10025 S690QL

Plate Thickness mMYield StrengthReH (MPa)Tensile Strength Rm (MPa)Elongation A5 % minimumImpact Strength J, Minimum
3 to50 690 770 - 940 14 30 @ -40º C
50to 100 650 760 - 930 14 30 @ -40º C
100 to 150 630 710 - 900 14 30 @ -40º C