Q355D Flat Steel
Flat steel is a critical material in automotive manufacturing, playing a vital role in constructing various components and parts that contribute to the performance, safety, and aesthetics of vehicles.

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Product name |
Q355D Flat Steel | ||
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Standard |
ASTM A479,ASTM A276,ASTM A484, ASTM A582, |
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Material |
301, 304, 304L, 309S, 321, 316, 316L, 317, 317L, 310S, 201,202 |
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Specifications |
Round bar |
Diameter:0.1~500mm |
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Angle bar |
Size: 0.5mm*4mm*4mm~20mm*400mm*400mm |
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Flat bar |
Thickness |
0.3~200mm |
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Width |
1~2500mm |
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Square bar |
Size: 1mm*1mm~800mm*800mm |
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Length |
2m, 5.8m, 6m, or as required. |
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Here are some key applications of flat steel in the automotive industry:
- Body Panels: Flat steel sheets are used to create body panels such as hoods, doors, fenders, roofs, and trunk lids. These panels provide the outer skin of the vehicle and contribute to its overall shape and design.
- Chassis and Frame: Flat steel is used in the construction of the vehicle's chassis and frame, providing the structural backbone and ensuring rigidity and strength.
- Reinforcements: Various flat steel components, including high-strength steel reinforcements, are integrated into critical areas of the vehicle to enhance crash resistance and occupant safety.
- Bumpers and Impact Beams: Flat steel is utilized to manufacture front and rear bumpers, as well as energy-absorbing impact beams designed to protect passengers in case of collisions.
- Suspension Components: Flat steel is used to produce various suspension components, including control arms, torsion bars, and stabilizer bars, providing stability and control to the vehicle's suspension system.
- Exhaust Systems: Flat steel sheets and pipes are used in the fabrication of exhaust systems, including exhaust pipes and mufflers, which guide exhaust gases safely away from the vehicle.
- Seat Frames: Flat steel is used in seat frames, providing a sturdy structure to support the seats and ensuring passenger comfort and safety.
- Fuel Tanks: Flat steel is used to construct fuel tanks, providing a robust and leak-resistant container for storing the vehicle's fuel.
- Wheels and Rims: Flat steel is employed in the manufacturing of wheels and rims, contributing to the strength and durability of these components.
- Mounting Brackets: Various flat steel brackets are used to secure and mount different components within the vehicle's assembly, including the engine, transmission, and suspension parts.
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