Building Steel Structure High Strength Steel Plate Q690D Q690E

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.

‌Q690E alloy steel plate is a high-strength welded structural steel. "Q" stands for yield strength, "690" means the minimum yield strength is 690MPa, "E" stands for quality grade, and the impact test temperature is -40°C.

‌‌Q690E low alloy steel material performance characteristics‌

High toughness‌: ‌Q690E low alloy steel sheet can still maintain good ductility at low temperatures.
‌Good welding performance‌: The welded joint is of high quality and not prone to cracks.
‌Wear resistance and corrosion resistance‌: ‌Q690E high strength low alloy steel plate surface is specially treated to improve wear resistance and corrosion resistance.

►Mechnical property for GB/T Q690D hsla structural steel

►Chemical composition for GB/T Q690D high strength low alloy steel plate

Q690E High-strength Steel Plate Chemical Composition

Q690E Low-alloy Steel Plate Mechanical Property

Gnee Steel Co.,Ltd (GNEE) is the affiliated company for ANGANG GROUP who are one large state-owned iron and steel group located in Henan, China.

GNEE are specialized in manufacturing and supplying large quantities Seamless steel pipes and Shipping-building plates, We are provide high quality steel of Steels and Coils, plates, tool steels,steel pipes and other steel products with guaranteed Grade-A quality, excellent performance and competitive prices.

All of steel products from GNEE have been exported to overseas distributors, warehouses, and factories in USA, Mid-east, Europe, Bangladesh, Sri Lanka, Egypt, Saudi Arabia, and other countries and regions. Therefore, GNEE has got a great market share in the international market.

GNEE have a professional technician team, which not only have decades working experience in steel industry, but also have a deep and clear insight of the technology condition and the manufacturing state in the Chinese main steel mills.

With the high efficient supervision system and professional experience, we offer our efficient and considerate service to clients around the world. We hope sincerely to become your Chinese supplier and partner.

Our company will remain honest and pragmatic as always to safeguard, strengthen and carry forward our National Brand, provide quality commodities and top-class services to domestic and overseas clients. We sincerely wish to develop long-term win-win cooperation with domestic and overseas clients.