Gnee Steel (Tianjin) Co., Ltd. is one of the most professional q690d alloy high strength steel plate manufacturers and suppliers in China, also supports customized service. If you're going to buy q690d alloy high strength steel plate made in China, welcome to get free sample from our factory. Quality products and low price are available.
Q690D Alloy High Strength Steel Plate
Q690D Low Alloy Steel Plate Products Description
Q690D high strength low alloy steel is a high strength welded structural steel, where "Q" stands for yield strength, "690" stands for yield strength value, and "D" stands for grade.
Q690D low alloy steel material has good welding performance and fatigue resistance, and Q690D low alloy structural steel is easy to cut, bend and other processing operations.
Q690D low alloy steel sheet can be widely used in coal mining machinery, engineering machinery, such as hydraulic supports, port cranes, and flatbed transporters.
Q690D Alloy High Strength Steel Plate Products Details
►Mechnical property for GB/T Q690D hsla structural steel
|
Thickness(mm) |
Yield strength (≥Mpa) |
Tensile strength (Mpa) |
Elongation in ≥, A % |
|
T≤50 |
690 |
770-940 |
14 |
|
50<T≤100 |
650 |
760-930 |
|
|
100<T |
630 |
710-900 |
►Chemical composition for GB/T Q690D high strength low alloy steel plate
|
C |
Si |
Mn |
P |
S |
Cu |
Cr |
|
0.20 |
0.80 |
1.80 |
0.025 |
0.015 |
0.50 |
1.50 |
|
Ni |
Mo |
B |
V |
Nb |
Ti |
- |
|
2.00 |
0.70 |
0.005 |
0.12 |
0.06 |
0.05 |
- |
Q690D HSLA Steel Plate Products Image
Q690D High Strength Alloy Steel Plate Product Inspection And Transportation
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