S690Q high yield strength steel plate
S690Q European standard high strength structural steel plate is a high strength steel with excellent mechanical properties and welding properties, which is widely used in engineering fields such as bridges, buildings, ships, and vehicles.
S690Q high strength low alloy steel is a low alloy high strength steel with excellent properties such as high strength, high toughness, good weldability and corrosion resistance.
In addition, S690Q high strength structural steel also has excellent low temperature toughness and can maintain good mechanical properties at a low temperature of -60℃.
high tensile alloy steel plate Chemical Composition
| Grade | C % | Si % | Mn % | P % | S % | N % | B % | Cr % |
| S690Q | 0.200 | 0.800 | 1.700 | 0.025 | 0.015 | 0.015 | 0.005 | 1.500 |
| Cu % | Mo % | Nb % | Ni % | Ti % | V % | Zr % | ||
| 0.500 | 0.700 | 0.060 | 2.000 | 0.050 | 0.120 | 0.150 |
high strength steel mechanical property
| Grade | Thickness | Min Yield | Tensile | Elongation | Min Impact Energy | |
| S690Q | 8mm-50mm | Min 690Mpa | 770-940Mpa | 14% | -20 | Min 30J |
| 51mm-100mm | Min 650Mpa | 760-930Mpa | 14% | -20 | Min 30J | |
| 101mm-150mm | Min 630Mpa | 710-900Mpa | 14% | -20 | Min 30J |
high strength plate Products image
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