Meta Title:‌

High-Quality Galvanized Square Tubes - Manufacturer & Supplier | Blubro

Meta Description:‌

Blubro supplies premium galvanized square steel tubes for construction and industrial applications. Various sizes and zinc coatings available with competitive global pricing.

Keywords:‌

galvanized square tube, zinc-coated steel pipe, structural square tubing, construction steel profile, industrial metal tubing, China steel manufacturer, corrosion-resistant tubing

Product Specifications:‌

Material Composition:‌

Base Material: Q195/Q235/Q345

Zinc Coating: 40-275g/m² (Zinc-Aluminum optional)

Size Range: 15x15mm to 200x200mm

Wall Thickness: 0.7mm-5.0mm

Length: 6m standard (custom lengths 1-12m)

Manufacturing Process:‌

Cold-rolled steel coil forming

High-frequency electric resistance welding

Hot-dip galvanizing (ASTM A123)

Passivation and chromate treatment

Precision sizing and straightening

Technical Parameters:‌

Yield Strength: 235-345MPa

Tensile Strength: 340-490MPa

Zinc Adhesion: Peel test qualified

Salt Spray Resistance: 500-2000 hours

Straightness: ≤1.5mm/m

Key Applications:‌

✔ Building structures

✔ Fencing and railings

✔ Greenhouse frameworks

✔ Electrical conduits

✔ Industrial shelving

Competitive Advantages:‌

Superior Corrosion Protection‌ - Triple-layer zinc coating

Dimensional Precision‌ - ±0.2mm tolerance

Custom Solutions‌ - Pre-cut lengths and special coatings

Quality Certifications‌ - ISO 9001, SGS, CE

Production Capacity‌ - 80,000 tons/year

Technical Support‌ - CAD drawings available

Pricing Structure:‌

FOB Price Range: 

850

−

850−1,600/ton

MOQ: 10 tons (standard sizes)

Payment Terms: LC at sight or TT 30%

Delivery Lead Time: 15-25 working days

Company Highlights:‌

100,000m² production base with 4 galvanizing lines

Complete testing facilities (coating thickness gauge, salt spray chamber)

10 years of galvanized tube expertise

One-stop service from material to logistics

24/7 multilingual support (English/Russian/Arabic)

Note: The current attachment shows "CONTACT NOW download to pdf". For optimal international presentation, we recommend:

Adding galvanizing certificates

Including salt spray test reports

Providing coating thickness charts

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