ERW STK400 Galvanized Steel Square Pipe 25×25mm with 1.2-3.0mm Thickness for Construction Applications
Price:
USD 600-750 per Ton
MOQ:
1 Ton
Delivery Time:
30days
Brand:
OEM
Product Description
Product Overview
ERW STK400 galvanized steel square pipes offer superior corrosion resistance and structural integrity for construction and industrial applications. Available in sizes from 20×20mm to 500×500mm with thickness options from 1.2mm to 20mm.
Technical Specifications
Dimensions & Sizes
- Square pipe dimensions: 20×20mm to 500×500mm
- Thickness range: 1.2mm to 20mm
- Standard lengths: 2.0m to 12m
Materials & Standards
- Material: High-quality steel
- Steel grades: Q195/S195/A53 Grade A, Q235/S235/A53 Grade B/A500 Grade A/STK400/SS400/ST42.2, Q355/S355JR/A500 Grade B/C
- Compliance standards: EN10219, EN10210, GB/T 6728, JIS G3466, ASTM A500, A36
Surface Protection
- Pre-galvanized coating: 40-80g/m² zinc
- Hot-dipped galvanized coating: 200-600g/m² zinc
- Pipe ends: Plain cut
Size Chart
| Square Hollow Section | Thickness Range |
|---|---|
| 20×20, 25×25, 30×30 | 1.2-3.0mm |
| 40×40, 50×50 | 1.2-4.75mm |
| 60×60 | 1.2-5.75mm |
| 70×70, 75×75, 80×80, 90×90, 100×100 | 1.5-5.75mm |
| 120×120, 140×140, 150×150 | 2.5-10.0mm |
| 160×160, 180×180, 200×200 | 3.5-12.0mm |
| 250×250, 300×300, 350×300, 350×350, 400×200 | 4.5-15.75mm |
| 280×280, 400×400, 450×200, 450×300 | 5.0-20.0mm |
Applications
- Construction and building materials
- Structural steel frameworks
- Solar structure components
- Fence posts and security barriers
- Greenhouse frames and agricultural structures
Quality Assurance
- Certifications: ISO 9001, ISO 18001, ISO 14001, CE
- 16-stage quality control process
- Third-party inspection reports available
- Guaranteed weight accuracy
Packaging & Shipping
- OD 300mm and below: Hexagonal seaworthy bundles with steel strips and nylon slings
- Above OD 300mm: Bulk packaging or custom arrangements
- Container capacity: 25 tons/container, 2 tons/size for trial orders
- Maximum lengths: 5.8m for 20" containers, 11.8m for 40" containers
Business Terms
- Trade terms: FOB, CFR, CIF, EXW, FCA
- Payment methods: T/T, L/C
- Delivery time: 7-45 days after receiving advance payment
- Global markets: Southeast Asia, South Asia, Middle East, Europe, Middle & South America, Africa, Oceania
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Weifang Wilda Machinery Co., Ltd
Location
No.3,Yongkang Jie,Weifang Economic Development Zone, Weifang City,Shandong Province,China.
Contact Person
Victor Wang