Welcome to BBN High Strength Steels Factory

Steel Plate 1/4" S690QL square pipe

Our company was founded in 2000, which initially committed to providing high-quality steel S690QL square pipe products for China's rapid infrastructure construction. With the advantages of steel resources and good reputation in the domestic market, combined with the huge demand for steel in the international market, we began to export S690QL square pipe steel to the international market, opening up the international steel market.

API 5L Gr. A is mainly used for steel of large diameter pipeline. S690QL square pipe, API 5L Gr. A is mainly used for pressure liquid transportation, oil, natural gas, water and other liquid transportation, oilfield engineering, pipeline engineering, construction, steel pipe and oil and gas engineering using pipeline.

Weather-resistant steel plate refers to steel plate that is resistant to weathering and corrosion. S690QL square pipe, Weather-resistant steel plate can adapt well to the environment and is widely used in construction, bridges, roads and other fields with outstanding performance characteristics. One of the outstanding advantages of weather-resistant steel plate is its ability to adapt to a variety of different environments, whether it is in severe cold areas or tropical areas. The weather-resistant steel plate can better maintain its characteristics in various complex environment.

Punchability refers to the performance of metal without cracks and other defects after stamping deformation. Many steel products are manufactured through a stamping process. In order to ensure the quality of the products and the smooth progress of the process, the S690QL square pipe, steel plates and strips used for stamping must have qualified stamping performance.

Our alloy steel plate and sheets are mainly used for weld fabrication of pressure vessels that require improved notch toughness for lower than ambient temperature service.Width: 1000mm to 4500mmThickness : 5mm to 150mmLength: 3000mm to 18000mmImpact tested 52° CS690QL square pipe, Supply Condition: As Rolled, Normalized Rolling, Furnace Normalizing, Vacuum Degassing, Simulated Post-Weld Heat Treatment or as per customer requirement.

To provide customers with the most satisfactory service and realize the win-win of economic and social benefits, our company promises to provide excellent S690QL square pipe products in this bidding, and in line with the attitude of being serious and responsible to customers, before sending goods to users, the S690QL square pipe technical personnel shall confirm that there is no fault in the equipment before sending goods to users, and then send goods and products to users, and formulate the following service terms.

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EN 10025-6 S690QL High Strength Steels