S620QL high tensile alloy steel
S620QL high strength plate is a high strength structural steel with high strength, which is widely used in high strength structural parts.
S620QL high strength steel sheet has good plasticity and toughness, can adapt to various hot and cold processing processes, and the finished product has good dimensional stability and durability.
In addition, S620QL low alloy steel sheet has excellent corrosion resistance after special smelting process and heat treatment process, and can resist the erosion of various corrosive media.
high strength alloy steel Plate Chemical Composition
|
Grade |
Chemical composition % MAX |
|||||||||||
|
C |
Si |
Mn |
P |
S |
B |
Cr |
Cu |
Mo |
Nb |
Ni |
Ti |
|
|
S620QL |
0.22 |
0.86 |
1.8 |
0.03 |
0.017 |
0.006 |
1.6 |
0.55 |
0.74 |
0.07 |
2.1 |
0.07 |
High Tensile Tough Plate mechanical property
|
S620QL |
|
Yield strength (Mpa) |
Tensile strength (Mpa) |
Elongation |
||||||||||
|
TH(MM) |
>3≤50 |
>50≤100 |
>100≤150 |
>3 ≤50 |
>50≤100 |
>100≤150 |
15 |
|||||||
|
|
620 |
580 |
560 |
700-890 |
650-830 |
|||||||||
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