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Galvanized square tubes and galvanized round tubes are two common types of metal tubing, widely used in construction, machinery manufacturing, and municipal engineering. The core difference between them lies in their cross-sectional shape, leading to significant differences in mechanical properties, processing methods, and application scenarios. From a material properties perspective, galvanized square tubes, due to their square cross-section forming four right-angled sides, have advantages in resistance to bending and torsional deformation.
Galvanized Round and Square Tubes are steel pipes coated with a layer of zinc. These tubes are widely used in construction, machinery manufacturing, municipal engineering, electrical applications, and structural support systems.
DN | outer diameter | Ordinary steel pipe | Thickened steel pipe | |||||||
MM | MM | Deviation | Thickness | welded pipe (kg/m) | Galvanized pipe (kg/m) | Thickness | welded pipe (kg/m) | Galvanized pipe (kg/m) | ||
MM | Deviation | MM | Deviation | |||||||
6 | 10.2 | 2.0 | 0.40 | 0.4256 | 2.5 | 0.47 | 0.50 | |||
8 | 13.5 | 2.3 | +12% | 0.62 | 0.64 | 2.75 | +12% | 0.73 | 0.75 | |
10 | 17 | 2.3 | 0.82 | 0.84 | 2.75 | 0.97 | 1.00 | |||
15 | 21.3 | ±0.5mm | 2.8 | 1.26 | 1.30 | 3.25 | 1.45 | 1.49 | ||
20 | 26.8 | 2.8 | 1.63 | 1.68 | 3.50 | 2.01 | 2.07 | |||
25 | 33.5 | 3.3 | 2.42 | 2.49 | 4.00 | 2.91 | 3.00 | |||
32 | 42.3 | 3.3 | 3.13 | 3.22 | 4.00 | 3.78 | 3.89 | |||
40 | 48 | 3.5 | 3.84 | 3.96 | 4.25 | 4.58 | 4.72 | |||
50 | 60 | ±1% | 3.5 | 4.88 | 5.03 | 4.50 | 6.16 | 6.34 | ||
65 | 75.5 | 3.8 | 6.64 | 6.84 | 4.50 | 7.88 | 8.12 | |||
80 | 88.5 | 4.0 | 8.34 | 8.59 | 4.75 | 9.81 | 10.10 | |||
100 | 114 | 4.0 | 10.85 | 11.18 | 5.00 | 13.44 | 13.84 | |||
125 | 140 | 4.5 | 15.04 | 15.49 | 5.50 | 18.24 | 18.79 | |||
150 | 165 | 4.5 | 17.81 | 18.34 | 5.50 | 21.63 | 22.28 | |||
Company Strength and Services
· Integrated End-to-End Capabilities
The company is a comprehensive manufacturer integrating R&D, production, and sales.
· Large-scale Production Capacity & Layout
6 strategic production and sales bases in Binzhou, Liaocheng, Wuxi, Tianjin, Jinan, and Tai'an,
Over 100 production lines covering various metal manufacturing processes.
4 nationally recognized laboratories.
2 technical engineering centers.
5 corporate technology centers.
· Global Market Reach
Products are exported to over 50 countries and regions worldwide, including North America, Europe, the Middle East, Russia, Africa, etc.
· Advanced Manufacturing Infrastructure
The manufacturing facilities include hot-rolled steel strip plants with laminar flow cooling systems, pickling and cold rolling lines, continuous hot-dip galvanizing lines for GI and GA materials, steel plate rolling mills (medium/heavy and hot/cold tandem mills), steel pipe manufacturing equipment (welded pipe and hot rolling piercing mills), specialized section mills (universal H-beam and rail beam mills), and complete supporting equipment such as heating furnaces, straightening mills, shearing units, and cooling systems.
· Comprehensive products
The metal products include stainless steel, aluminum, copper, metal raw material billets, aluminum ingots, zinc ingots, magnesium ingots, lead ingots, etc.
· Quality and Certification
Production and inspection are in strict accordance with production standards.
The company holds the following certifications: ISO 9001, IATF 16949, CE certification, and others
