High Quality Q345d Channel Steel for Industrial Construction

Product Name: High-Quality Q345D Channel Steel for Industrial Construction Product Description China Baogang Steel Union (Baogang Group), a globally recognized leader in structural steel manufacturing, offers Q345D Channel Steel engineered for high-performance industrial construction and heavy-load infrastructure. Compliant with GB/T 1591-2008 and equivalent to ASTM A572 Grade 50 and EN 10025 S355J2 standards , our Q345D channel steel combines superior tensile strength (470–630 MPa), excellent weldability, and seismic resilience, making it ideal for machinery bases, bridge supports, and seismic-resistant frameworks. Integrated with complementary products like I-beams and Angle Steel, Baogang delivers comprehensive structural solutions for engineers prioritizing safety, durability, and cost efficiency.   Key Specifications Material: Q345D low-alloy high-strength steel with optimized composition: C: ≤0.18%, Mn: 1.00–1.60%, Si: ≤0.55%, P/S: ≤0.030% (enhanced fracture resistance) …