This type of steel, which is well over three times the strength of a basic S275 structural steel, is still relatively easy to weld and fabricate.
- EN 10025 includes a range of high strength quenched and tempered steel grades.
- Minimum yield strength of 890 MPa.
Composition
Chemical Composition – EN10025 S890QL.
Content % (ladle analysis), maximum.
C | Si | Mn | P | S | B | Cr | Cu | Mo |
---|---|---|---|---|---|---|---|---|
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 S890QL.
Plate Thickness mm | Yield Strength ReH (MPa) | Tensile Strength Rm (MPa) | Elongation A5 % minimum | Impact Strength J, Minimum |
---|---|---|---|---|
3 to50 | 890 | 940 - 1100 | 11 | 30 @ -40º C |
50to 100 | 830 | 880 - 1100 | 11 | 30 @ -40º C |