Hot Dip Galvanized Square and Rectangular Hollow Sections for Corrosion Resistant Structural Stability in Building Frames
製品詳細
| 製品名: | 亜鉛めっき鋼製角管および角管 | 終わりの終わり: | プレーンエンド、ベベルエンド |
|---|---|---|---|
| 材料: | Q195、Q215、Q235、Q355、ASTM A500、ASTM A36 | サイズ: | 20×20mm～400×400mm |
| 製造方法: | ロールフォーミング＆高周波溶接 | 亜鉛メッキ: | 40g/㎡～275g/㎡ |
| 追加サービス: | 切断、穴あけ、穴あけ、溶接 | 形: | 正方形と長方形 |
| ハイライト |
galvanized square hollow sections for building,rectangular hollow sections for industrial fabrication,galvanized steel pipes with warranty |
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製品説明
Galvanized Square Hollow Sections (SHS) and Rectangular Hollow Sections (RHS) are versatile structural steel products designed to deliver outstanding strength, corrosion resistance, and long-term reliability. Manufactured from premium carbon steel and coated with zinc through advanced galvanizing processes, these hollow sections are engineered for demanding indoor and outdoor applications.
Available in a broad range of dimensions and wall thicknesses, galvanized hollow sections combine excellent mechanical performance with superior weather resistance. Their clean appearance, easy fabrication, and low maintenance requirements make them one of the most popular steel products in modern construction and infrastructure projects.
Many structural projects operate in environments where steel is continuously exposed to rain, humidity, temperature fluctuations, industrial pollutants, and chemical contaminants.
Without adequate protection, ordinary carbon steel tubing can experience:
- Rapid oxidation and rust formation
- Reduced load-bearing performance
- Surface deterioration and aesthetic damage
- Frequent repair and repainting requirements
- Increased lifetime operating costs
For engineers, contractors, and project owners, corrosion protection has become a critical factor when selecting structural steel materials.
Galvanized hollow sections offer a proven method of protecting steel against environmental degradation.
By applying a zinc coating to the surface of the steel tube, the material gains long-lasting resistance to corrosion while maintaining its structural integrity.
- Outstanding anti-corrosion performance
- Excellent structural stability
- Longer service life than untreated steel
- Reduced maintenance expenses
- Suitable for harsh outdoor environments
- Strong resistance to moisture and oxidation
- Cost-effective over the entire project lifecycle
This protective system enables steel structures to remain reliable even in coastal, industrial, and high-humidity environments.
| Parameter | Details |
|---|---|
| Material | Q195, Q235B, Q355B (or equivalent) |
| Size range | 20x20mm, 25x25mm, 30x30mm, 40x40mm, 50x50mm, 60x60mm, 80x80mm, 100x100mm, 150x150mm, 200x200mm |
| Wall thickness | 1.0mm – 5.0mm (custom available) |
| Length | 6m, 5.8m, or customized (max 12m) |
| Zinc coating thickness | 45µm – 90µm (as per ASTM A123 / EN ISO 1461) |
| Standard | ASTM A500, EN 10219, GB/T 6728 |
| Surface treatment | Hot dip galvanized, smooth and bright |
| Tolerance | According to international standard |
Note: Custom sizes, thicknesses, and higher zinc coating can be produced upon request.
- 20*20 mm
- 25*25 mm
- 40*40 mm
- 50*50 mm
- 75*75 mm
- 100*100 mm
- 150*150 mm
- 200*200 mm
- 300*300 mm
- 400*400 mm
- 20*40 mm
- 30*50 mm
- 40*80 mm
- 50*100 mm
- 80*120 mm
- 100*150 mm
- 200*100 mm
- 250*150 mm
- 400*200 mm
- 1000*800 mm
- Packing (Bundles / Seaworthy Packaging)
- Tagging
- Weight Checking
- Trucking / Shipment
Selecting the appropriate galvanized hollow section depends on engineering requirements and environmental conditions.
Recommended:
- 20*20 mm – 80*80 mm
- Thickness 1.0–3.0 mm
Suitable for:
- Furniture frames
- Greenhouses
- Lightweight structures
Recommended:
- 100*100 mm – 200*200 mm
- Thickness 3.0–8.0 mm
Suitable for:
- Workshops
- Warehouses
- Commercial buildings
Recommended:
- 250*250 mm and above
- Thickness 8.0–16 mm
Suitable for:
- Industrial plants
- Large steel structures
- Infrastructure projects
- Corrosion environment
- Structural load requirements
- Service life expectations
- Fabrication methods
- Budget considerations
Galvanized tubes provide integrated corrosion protection throughout the entire surface, while paint coatings can crack, peel, or require regular maintenance.
Yes. Hot-dip galvanized square tubes perform exceptionally well in coastal and marine environments due to their thick zinc coating and sacrificial protection properties.
SHS refers to Square Hollow Sections with equal side dimensions, while RHS refers to Rectangular Hollow Sections with unequal side dimensions.
Yes. They can be cut, drilled, bent, welded, and assembled according to project requirements.
For indoor projects, lighter coatings may be sufficient. For outdoor, industrial, or marine environments, a zinc coating of 120–275 g/m² is generally recommended for enhanced durability.
製品のハイライト
Galvanized Square & Rectangular Hollow Sections for Building Frames and Industrial Fabrication Product Description Galvanized Square Hollow Sections (SHS) and Rectangular Hollow Sections (RHS) are versatile structural steel products designed to deliver outstanding strength, corrosion resistance, and ...
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