Weifang Wilda Machinery Co., Ltd
                                                                                                           
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23 Years
Since 2003
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500×500mm Galvanized Steel Square Tube 1.2-20mm Thickness for Solar Structures and Construction Applications

Price Negotiable
Price: USD 600-750 per Ton
MOQ: 1 Ton
Delivery Time: 7-15 days
Brand: OEM
Product Description
Product Overview

High-quality galvanized square and rectangular steel pipes manufactured using ERW welding technology, designed for structural applications including solar mounting systems.

Key Specifications
Parameter Specifications
Product Name Galvanized Square Pipe
Dimensions Square: 20×20mm to 500×500mm
Thickness: 1.2mm to 20mm
Length: 2.0m to 12m
Material Low Carbon Steel
Steel Grades Q195 = S195 / A53 Grade A
Q235 = S235 / A53 Grade B / A500 Grade A
Q355 = S355JR / A500 Grade B/C
Standards EN10219, EN10210, GB/T 6728, JIS G3466, ASTM A500, A36
Surface Coating Pre-galvanized (40-80g/m²)
Hot-dipped galvanized (200-600g/m²)
Certifications ISO 9001 / ISO 18001 / ISO 14001 / CE
Applications
  • Hall structures and airport construction
  • Shipbuilding and security door frames
  • Garage doors and steel door/window reinforcement
  • Indoor partition walls and cable bridge structures
  • Expressway safety guards and balustrades
  • Solar structure components and greenhouse frames
  • Fence posts and decorative residential pipes
Size Chart
Square Hollow Section Thickness Range
20×20mm, 25×25mm, 30×30mm 1.2-3.0mm
40×40mm, 50×50mm 1.2-4.75mm
60×60mm 1.2-5.75mm
70×70mm to 100×100mm 1.5-5.75mm
120×120mm to 150×150mm 2.5-10.0mm
160×160mm to 200×200mm 3.5-12.0mm
250×250mm to 400×400mm 4.5-20.0mm
Production & Quality

Our manufacturing process includes ERW & EFW techniques with cold or hot rolling options. All products undergo rigorous quality control through 16+ inspection processes with third-party certification support.

Packing & Shipping
  • OD 300mm and below: Hexagonal seaworthy bundles with steel strips
  • Above OD 300mm: Bulk or custom packaging
  • Standard loading: 25 tons/container, 2 tons/size for trial orders
  • Container compatibility: 20" (max 5.8m), 40" (max 11.8m)
Trade Information

Payment Terms: T/T, LC

Delivery Time: 15-45 days after receiving advanced payment

Main Markets: Southeast Asia, South Asia, Middle East, Europe, Middle & South America, Africa, Oceania

Product Images
Galvanized steel square tube product display Square pipe size chart and specifications Galvanized steel pipe manufacturing quality Steel pipe production process flow
Frequently Asked Questions
Q1: Are you a factory or trading company?
A: We are manufacturers and also do export trade.
Q2: Where is your factory located?
A: Weifang Wilda Machinery CO.,Ltd is located in Shandong province of China, with 19 years of manufacturing experience in metal raw materials and products.
Q3: Can I get some samples?
A: Yes, we are pleased to provide you with samples of our products.
Q4: How about your quality?
A: We seriously control quality from raw material to finished pipes. BV, ISO certificates and SGS testing can be provided.
Q5: Price advantage?
A: Our price is competitive, and as manufacturers we can offer workable pricing.
Q6: Could you design and produce custom products?
A: Yes, we have professional engineers who can design and produce special products according to customer requirements, including custom sizes, controls, or OEM services.

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

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