Q235B Rectangular Steel Pipe 20X40 to 300X500mm Hot Rolled for Structural Use

Q235B Rectangular Steel Pipe 20X40 to 300X500mm Hot Rolled for Structural Use. Customized Section Size: Available in various sizes from 20x40mm to 300x500mm with flexible customization options. Wide Material Range: Offers grades including Q235B, Q355b, A500, S235jr, and ASTM/ASME standards. Comprehensive Processing Services: Includes cutting, punching, welding, and bending to meet specific engineering needs. Third-Party Inspection Support: Accepts inspections from ISO, BV, SGS, TUV, and provides Mill Test Certificates. Fast Delivery for Stock Items: Standard delivery within 7 to 15 working days for items in running inventory. OEM Customization Available: Flexible customization from designs with large inventory support for low MOQs. Versatile Surface Protection: Options include black painting, varnishing, anti-corrosion oiling, 3PE coating, and galvanizing. Multiple Pipe Types: Supplies seamless, welded (ERW/SAW), round, square, and rectangular steel pipes.