Product Description:
S690 QL is a grade of structural steel that has a high yield. This grade of steel meets the standards set out in EN 10025:6:2004. The steel possesses good welding and bending properties, making it easy to work with.
The strength-to-self-weight ratio of the S690 steel is excellent, meaning it is highly efficient for use in structures that require a lot of weight to be supported. This high-strength steel boasts a minimum yield strength of 690MPa, making it stronger than standard carbon steel grades. Moreover, S690 is known for having excellent properties for forming and welding.
Technical Parameters:
According to EN 10025-6, the chemical composition of S690Q steel is as follows:
| C | Si | Mn | P | S | N | B | Cr | Cu | Mo | Nb | Ni | Ti | V | Zr |
| 0.20 | 0.80 | 1.70 | 0.025 | 0.015 | 0.015 | 0.005 | 1.50 | 0.50 | 0.70 | 0.06 | 2.0 | 0.05 | 0.12 | 0.15 |
S690Q steel also has certain mechanical properties. Below are the nominal gauge, minimum yield strength, ultimate tensile strength, minimum elongation ratio, and Brinell hardness number for this type of steel:
| Nominal gauge, mm | Minimum yield strength, ReH (MPa) | Ultimate tensile strength, Rm (MPa) | Minimum elongation ratio σ, % | Brinell hardness number, HB (MPa) |
| > 3 ≤ 50 | 690 | 770-940 | 14 | 228-278 |
| > 50 ≤ 100 | 650 | 760-930 | 14 | 225-276 |
| > 100 ≤ 150 | 630 | 710-900 | 14 | 210-266 |
Applications:
The steel known as S690Q is often utilized in structures that are exposed to excessive loads. These types of structures commonly include heavy-construction equipment as well as mining equipment. Furthermore, crane equipment is another area where the use of S690Q steel is frequently employed.
Offshore drilling platforms are another area where structures must be constructed to handle extreme loads. Therefore, the use of S690Q steel is commonly utilized in this industry.
Supporting structures for wind turbines are also subject to considerable forces. Consequently, S690Q steel is commonly utilized to help provide the required structural support.
Finally, bridges and trestles are additional areas where S690Q steel is often chosen. These structures need to be built sturdy enough to withstand the weight and stress of people and vehicles passing over them. Therefore, the use of S690Q steel is an excellent choice due to its strength and durability.
FAQ:
Q: What is the brand name of this high strength steel plate?
A: The brand name of this high strength steel plate is GNEE.
Q: What is the model number of this high strength steel plate?
A: The model number of this high strength steel plate is S690Q 1.8931.
Q: Where is this high strength steel plate manufactured?
A: This high strength steel plate is manufactured in China.
Q: What are the applications of this high strength steel plate?
A: This high strength steel plate is commonly used in industries such as construction, mining, and offshore drilling.
Q: What are the specifications of this high strength steel plate?
A: This high strength steel plate has a thickness range of 6mm to 100mm, a width range of 1500mm to 4050mm, and a length range of 3000mm to 15000mm.
