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A572 Gr.50/ST52-3/S355JR/Q355E low-alloy steel

A572 Gr.50/ST52-3/S355JR/Q355E low-alloy steel

S355JR is a low-alloy structural steel for hot-rolled structural steel. It is widely used in construction, heavy engineering, and mechanical industries due to its good weldability, moderate strength, and high toughness. S355JR is often used in structural applications such as buildings, bridges, and steel frames, where moderate to high strength and dynamic load resistance are required.

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Benefits

Benefits:
Moderate Strength: Provides high yield strength for structural components, making it ideal for load-bearing applications.
Good Weldability: Excellent for welding, allowing it to be used in welded structures without significant concerns about distortion.
Impact Toughness: S355JR offers good impact resistance, particularly at low temperatures, ensuring durability under dynamic loads.
Formability: It possesses good formability properties for shaping and fabrication, making it ideal for various structural profiles.
Cost-Effective: Suitable for large-scale construction projects due to its reasonable cost and versatile mechanical properties.