Advanced High Strength Steel Plates

Advanced High Strength Steel Plates

S690QL

Chemical Composition

C Si Mn P S B Cr Cu Mo N Ni Nb* Ti* V* Zr*
0.20 0.80 1.70 0.020 0.010 0.005 1.50 0.50 0.015 0.06 2.0 0.05 0.15 0.05 0.15

Properties and Dimensions

Steel grade Yield strength ReH MPa Tensile strength Rm MPa EN 10025­6: 2004 + A1:2009 Heavy plate thickness mm Elongation,
min %
S690Q, QL 690 770 – 940 S690QL 6 – 60 14

Structural Steel Plate V Notch Impact Testing

Grade Sample Orientation @ 0°C @-20°C @-40°C @-60°C
S690 QL Longitudinal 50 J 40 J 30 J ––
Traverse 35 J 30 J 27 J ––

S 890 QL

Chemical Composition

C Si Mn P S B Cr Cu Mo N Ni Nb* Ti* V* Zr*
0.20 0.80 1.70 0.020 0.010 0.005 1.50 0.50 0.015 0.06 2.0 0.05 0.15 0.05 0.15

Mechanical Properties

Plate Thickness

mm

Yield Strength

ReH (MPa)

Tensile Strength

Rm (MPa)

Elongation

A5 % minimum

Impact Strength

J, Minimum
3 to 50
890
940 - 1100
11
30 @ -40º C
> 50 to 100
830
880 - 1100
11
30 @ -40º C

V Notch impact testing

Grade
Sample Orientation
@ 0°C
@-20°C
@-40°C
@-60°C
S890QL
Longitudinal
50 J
40 J
30 J
––
Traverse
35 J
30 J
27 J
––
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