Galvanized Square Steel Tube

• Customization: Available
• Type: Welded
• Technique: SAW
• Material: Carbon Steel
• Surface Treatment: Galvanized
• Usage: Construction & Decoration
• Section Shape: Square
• Specification: 20*20*6000mm~200*200*6000mm
• Origin: Tianjin

Product Description

galvanized square steel  tube
The model of square tube is usually represented by a combination of letters and numbers, and common models include Q235, Q345, Q390, etc. These models represent the material and strength grade of the square tube, with Q235 representing low-carbon steel, Q345 representing low-alloy high-strength steel, and Q390 representing high-strength steel. In terms of size, the dimensions of square tubes are usually expressed in millimeters, with commonly used sizes including 19mm × 19mm, 25mm × 25mm, 38mm × 38mm, 42mm × 42mm, 50mm × 50mm, etc. The size specification table of square tube is as follows:
0.7 25 × 25, 28 × 28, 30 × 30, 32 × 32, 35 × 35, 38 × 38, 40 × 40, 45 × 45, 50 × 50
0.8 55 × 55, 60 × 60, 63 × 63, 65 × 65, 70 × 70, 75 × 75, 80 × 80, 90 × 90, 100 × 100
1 110 × 110, 120 × 120, 125 × 125 mm