Introduction
50×50 galvanized square tubing is a square steel tube with a cross-sectional dimension of 50 mm × 50 mm, galvanized to improve its corrosion resistance. It is widely used in construction, structural framing, machinery, and outdoor structures.
| Grade | Q195, Q215, Q235, Q345, Q355, SGCC, dx51d etc. | |||
| Standard | ASTM, GB, BS, EN, DIN | |||
| Thickness | 1.5mm-12mm, can be customized | |||
| Length | 1-12m, can be customized | |||
| Size | 20x20mm - 400x400mm,can be customized | |||
| Surface Treatment | galvanized or as required | |||
| Tolerance | ±1% | |||
| MOQ | 1 Ton | |||
| Application | tructure Pipe, Construction, Steel structure engineering, Curtain wall construction etc. | |||
Features
Excellent Corrosion Resistance
The galvanized zinc coating protects the steel surface from rust and corrosion, making the tubing suitable for outdoor and humid environments.
Good Load-Bearing Capacity
The square structural design combined with carbon steel material allows the tubing to support structural loads in frameworks, fences, and support structures.
Easy Fabrication and Installation
The tubing can be easily cut, welded, and processed, allowing convenient installation in various construction and fabrication projects.
Chemical Composition & Mechanical Properties
Chemical Composition (typical, wt%)
| Element | C | Mn | P | S | Si |
| Limit |
≤0.25 |
0.30–1.60 |
≤0.045 |
≤0.045 |
0.12–0.35 |
Mechanical Properties (typical)
| Property | Tensile Strength | Yield Strength | Elongation |
|
Value |
≥345 MPa |
≥235 MPa |
≥25% |
Customization Services
To meet different project requirements, we provide flexible customization services for 50×50 galvanized square steel tubing.
Custom Wall Thickness
Different wall thicknesses can be produced to meet specific structural strength requirements.
Custom Length
Tubes can be supplied in standard lengths or cut to specific sizes according to project needs.
Galvanizing Options
Both pre-galvanized and hot-dip galvanized finishes are available depending on corrosion resistance requirements.
Custom Standards and Grades
Products can be manufactured according to various international standards and material grades.
FAQs
What wall thickness options are available for 50×50 galvanized square tubing?
Common wall thicknesses range from about 1.0 mm to 4.0 mm, depending on structural requirements. Other thicknesses can be produced based on customer specifications.
What is the typical zinc coating thickness?
The zinc coating thickness depends on the galvanizing process. Pre-galvanized tubing usually has a lighter coating, while hot-dip galvanized tubing provides a thicker coating for higher corrosion protection.
What standards can the tubing be produced according to?
The tubing can be manufactured according to international standards such as ASTM, EN, or GB depending on project requirements.
How is the tubing packaged for delivery?
The tubes are usually bundled with steel straps and protected for safe transportation. Special packaging requirements can also be arranged.
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