Weifang Wilda Machinery Co., Ltd
                                                                                                           
Verified Supplier
23 Years
Since 2003
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ERW Square Hollow Section Steel Pipe 12.7-406mm OD 1.2-12mm Wall Thickness Black Painted Carbon Steel

Price Negotiable
Price: USD 600-750 per Ton
MOQ: 1 Ton
Delivery Time: 7-15 days
Brand: OEM
Product Description
ERW Square Hollow Section Steel Pipe
High-quality electric resistance welded (ERW) steel pipes available in round, square, and rectangular shapes for construction and industrial applications.
Product Specifications
Material 10#, 20#, Q195, Q215, Q235, Q345
Steel Grade Equivalents Q195 = S195 / A53 Grade A
Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2
Q355 = S355JR / A500 Grade B Grade C
Outer Diameter 12.7-406 mm
Wall Thickness 1.2-12 mm
Length 5.8m-11.8m, or as customer requirements
Standards EN10219, EN10210, GB/T 6728, JIS G3466, ASTM A500, A36
Surface Black Painted
Technique SAW, ERW Welding
Certifications ISO 9001 / ISO 18001 / ISO 14001 / CE
Applications
  • Construction and building materials
  • Structural steel applications
  • Solar structure components
  • Fence posts
  • Greenhouse frames
Manufacturing Capabilities
Available Processing Services
  • Laser cutting with good perpendicularity and no bevel
  • Precision bending with out-of-roundness rate ≤ 3%
  • Thinning rate ≤ 15% during bending processes
  • CNC milling, turning, and punching
  • Stamping, pressing, and deep drawing
  • Drilling, tapping, and threading
  • Spot welding, TIG welding, and riveting
Surface Treatment Options
  • Brushing and polishing
  • Vacuum plating and anodizing
  • Powder coating
  • Zinc, chrome, nickel, and tin plating
Quality Assurance
All products undergo 16+ quality control processes with third-party inspection reports. Professional inspection ensures accurate weight and specifications.
Packaging & Shipping
Hexagonal seaworthy bundles with steel strips for diameters ≤300mm, bulk packaging for larger sizes. Maximum container lengths: 5.8m (20") and 11.8m (40").
Company Profile
Weifang Wilda Machinery Co., Ltd., established in 2003, specializes in high-precision galvanized welded steel pipes with complete manufacturing facilities including sheet metal processing, welding, and surface treatment workshops.
ERW Steel Pipe product display Steel pipe manufacturing process Bending pipe service capabilities Steel pipe applications

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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