
Civil Structure Material H Beam Q235B Q345b Ss400 From China with Lower Price. Wide Material Grades: Available in Q235B, Q345B, SS400, S235, S355, A36, and more. Flexible Dimensions: Size range 100*100-900*300mm, thickness 4.5-50mm, length 3-12m. Custom Logo Service: Supports customized packaging, logo, and graphic customization. Quality Assurance: 100% pre-delivery inspection and Made-in-China insurance guarantee. Large Stock Capacity: Monthly stock around 50,000 tons with 12 warehouses covering 7000 sqm. Multiple Certifications: Certified by ISO9001, SGS, BV, and compliant with AISI, JIS, ASTM standards. Versatile Applications: Ideal for building construction, shipbuilding, bridges, and mechanical manufacturing. Direct Factory Supply: Integrating industry and trade with direct distribution from major steel mills.