
S355j0 2X2 Galvanized Hollow Section 14 Gauge Iron Square Carbon Steel Pipes Tube for Shelter Structure. Extensive Size Range: Square tubes from 20x20mm to 600x600mm and rectangular tubes up to 400x600mm available. Wide Thickness Options: Wall thickness ranges from 1.2mm to 20mm to suit various structural needs. Multiple Material Grades: Available in Gr.A, Gr.B, Gr.C, S235, S355, Q235, Q345, and more international standards. Comprehensive Certifications: ISO 9001:2008, SGS, BV, CCIC, API, TUV, UL, and BSI system certified. Flexible Customization: Full customization, minor customization, and customization from samples or designs available. Global Delivery Capability: Shipped to over 78 countries with own transport fleet and proximity to Tianjin port. Competitive Pricing: Reasonable pricing with annual production capacity of over 12.6 million tons. Reliable Quality Control: Two CNAS certified laboratories and strict raw material retesting ensure product reliability.