Greenhouse Tunnels
Wilda Q195 Q345 GI Steel Rectangular Square Pipes 0.5mm-20mm Thickness Galvanized Construction
Professional galvanized steel rectangular and square pipes with thickness range 0.5mm-20mm, manufactured using ERW technique. Features zinc coating for superior corrosion resistance, multiple steel grades (Q195-Q345), and certifications including BV, ISO, SGS. Custom sizes and OEM options available for construction, greenhouse, and industrial applications.
ASTM A53 ERW Galvanized Steel Pipe 40x40mm Square Section 0.7-30mm Thickness for Construction and Structural Applications
High-quality galvanized square and rectangular steel pipes manufactured to ASTM A53, A500, and international standards. Features corrosion-resistant zinc coating (40-600g/m²), wall thickness 0.7-30mm, and multiple steel grades. Ideal for construction, scaffolding, greenhouse frames, and fluid transportation. Available with ISO 9001, SGS, and BV certifications for guaranteed quality and performance.
Square ERW Carbon Steel Pipe SCH40 SCH80 10-500mm OD 0.6-20mm Wall Thickness Galvanized
High-quality square ERW carbon steel pipes with SCH40/SCH80 specifications, available in sizes from 10mm×10mm to 500mm×500mm and wall thickness 0.6-20mm. Features hot-dipped galvanized coating (200-600g/m²), multiple steel grades (Q195-Q345), and international certifications (CE, ISO9001, SGS). Ideal for construction, structural frameworks, and industrial applications with custom length options.
500×500mm Galvanized Steel Square Tube 1.2-20mm Thickness for Solar Structures and Construction Applications
High-quality galvanized square steel tubes manufactured from low carbon steel with zinc coatings of 40-600g/m². Available in sizes from 20×20mm to 500×500mm with thickness range 1.2-20mm. Certified to EN10219, ASTM A500, and ISO standards. Ideal for solar mounting systems, structural applications, and industrial construction projects with competitive pricing and custom manufacturing options.
Galvanized Steel Square Tube 40x40 50x50 1.2mm-4.75mm Thickness ASTM A500 Standard 5m-14m Length
High-quality galvanized steel square tubes with zinc coatings from 30g to 60g. Available in sizes from 10x10mm to 1200x1200mm with thickness 0.6mm-60mm. Meets ASTM, JIS, EN, and GB standards for construction, automotive, and industrial applications. Custom lengths and surface treatments available.
ERW Welded Galvanized Steel Pipe 20MM-508MM Diameter 1MM-12MM Wall Thickness for Construction
Hot-dip galvanized ERW steel pipes with diameters from 20MM to 508MM and wall thickness 1MM-12MM. Certified with API, ISO9001, SGS standards for building construction, scaffolding, and infrastructure projects. Available in custom lengths with competitive pricing and 2-15 day delivery.
ERW Galvanized Steel Square Tube 1.2mm Thickness with Q235B/Q345B Material for Greenhouse Construction
High-quality ERW galvanized steel square tubes with 1.2mm thickness, available in sizes from 20×20mm to 400×400mm. Features hot-dipped galvanized coating for superior corrosion resistance, multiple material grades (Q235B, Q345B, 20#), and comprehensive quality testing. Ideal for industrial applications, greenhouse structures, and building frameworks with professional packaging and efficient delivery.
ERW STK400 Galvanized Steel Square Pipe 25×25mm with 1.2-3.0mm Thickness for Construction Applications
High-quality ERW galvanized steel square pipes available in sizes 20×20mm to 500×500mm with thickness options from 1.2mm to 20mm. Features pre-galvanized (40-80g/m²) or hot-dipped galvanized (200-600g/m²) coatings for superior corrosion resistance. Certified to ISO 9001, CE, and multiple international standards for construction, structural, and industrial applications.