Products Description
High tensile strength steel plate S690QL1 is owned minimum yield strength at 690 Mpa and tensile strength within 770-940 Mpa when rolling under steel standard EN 10025-6.The low temperature impacting test shall be done under minus 60 centigrade.
The heat treatment for high strength S690QL1,S690QL1 steel plate,S690QL1 steel sheet is under Quenched and tempered.Quenching operation which consists of cooling a ferrous steel plate more rapidly than in still air.
Tempering heat treatment applied to a ferrous steel plate generally after quench hardening or other heat treatment to bring the properties to the required level.
Products Specification
|
Gnee Grade : |
EN10025-6 S690QL1 |
|
Specification (mm) |
THK: 3 to 300, Width: 1500 to 4050, Length: 3000 to 27000 |
|
Standard: |
Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition |
|
Approval By Third Party |
ABS, DNV, GL, CCS, LR , RINA, KR, TUV, CE |
|
Classification: |
Hot rolled products of structural steels |
S690QL1Chemical Composition
|
S690QL1Chemical Composition |
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Grade |
The Element Max (%) |
|||||||
|
C |
Si |
Mn |
P |
S |
N |
B |
Cr |
|
|
S690 QL1 |
0.20 |
0.80 |
1.70 |
0.020-0.025 |
0.010-0.015 |
0.015 |
0.005 |
1.50 |
|
Cu |
Mo |
Nb |
Ni |
Ti |
V |
Zr |
|
|
|
0.50 |
0.70 |
0.06 |
2.0 |
0.05 |
0.12 |
0.15 |
|
|
S690QL1Mechanical Property
|
Grade |
S690QL1Mechanical Property |
|||||
|
Thickness |
Yield |
Tensile |
Elongation |
Min Impact Energy
|
||
|
S690 QL1 |
mm |
Min Mpa |
Mpa |
Min % |
-60 |
30J |
|
3<t≦50 |
890 |
940-1100 |
11 |
-60 |
30J |
|
|
50<t≦100 |
830 |
880-1100 |
11 |
-60 |
30J |
|
|
100<t≦150 |
800 |
820-1000 |
11 |
-60 |
30J |
|
