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Galvanized Square/Rectangular Steel Tube
ERW square/rectangular tubes hot-dip galvanized with ≥600g/㎡ zinc coating (ASTM A500/EN 10219 compliant). Dual corrosion protection withstands 1000hrs salt spray for outdoor structural applications. |
Product Name: Continuous Hot-Dip Galvanized Hollow Sections
Overview
ERW square/rectangular tubes hot-dip galvanized with ≥600g/㎡ zinc coating (ASTM A500/EN 10219 compliant). Dual corrosion protection withstands 1000hrs salt spray for outdoor structural applications.
| Parameter | Square Tube | Rectangular Tube |
|---|---|---|
| Section Size | 20×20-400×400mm | 30×20-500×300mm |
| Wall Thickness | 1.2-12.0mm (±0.1mm) | 1.5-16.0mm (±0.15mm) |
| Zinc Coating | ≥600g/㎡ (avg) | Corner≥500g/㎡ |
| Material Grade | ASTM A500 Gr.C/S355J2H | EN 10219 S275JR/S355J0H |
| Straightness | ≤1.2mm/m (EN 10219) | ≤1.0mm/m (EN 10219) |
| Corner Radius | R=2.0T | R=2.5T |
| Salt Spray | 1000h white rust≤3% | 1000h red rust≤1% |
| Yield Strength | ≥345MPa (Gr.C) | ≥355MPa (S355J0H) |
1. Structural Corrosion Defense
Self-healing zinc protection
Fe-Zn alloy barrier layer
2. Engineering Efficiency
Pre-punched holes (±0.5mm)
Milled ends (flatness ≤0.3mm)
3. Global Compliance
North America: ASTM A500
Europe: CE + CPR 305/2011
Australia: AS 1163 C350L0
4. Cost Efficiency
40% lower maintenance vs painted steel
Fully recyclable
RUNYING STEEL GROUP
Tel：86-315-2199609
Fax：86-315-5538212
E-mail：admin@tsrysteel.com
Central Plaza, Tangshan City
website：lo.tsrysteel.com
Alibaba：https://tsrunying.en.alibaba.com
