Weifang Wilda Machinery Co., Ltd
                                                                                                           
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Minerals & Metallurgy Carbon Steel Steel Pipes Welded Steel Pipes
China OEM Black Steel Pipes ERW Welded in Oval Square Rectangular Shapes 15-200mm Diameter for sale

OEM Black Steel Pipes ERW Welded in Oval Square Rectangular Shapes 15-200mm Diameter

Price Negotiable
Price: USD 600-750 per Ton
MOQ: 1 Ton
Delivery Time: 7-15 days
Brand: OEM
Product Description
Product Overview
OEM black steel pipes available in oval, square, and rectangular shapes manufactured using ERW (Electric Resistance Welding) technology. These non-galvanized steel pipes feature a characteristic dark iron oxide coating that provides natural corrosion resistance for industrial applications where galvanization is not required.
Available Shapes & Specifications
  • Round steel pipes - standard diameters from 15mm to 200mm
  • Square steel tubes - dimensions from 20x20mm to 200x200mm
  • Rectangular steel tubes - various aspect ratios available
  • Oval steel tubes - custom profiles for specialized applications
Black steel pipe oval shape industrial application Square steel tube cross-section and surface finish Rectangular steel pipe structural components ERW welded steel pipe manufacturing process Black steel pipe inventory and quality control Steel pipe dimensional accuracy and surface coating
Production Process
Manufactured using advanced Electric Resistance Welding (ERW) technology ensuring consistent weld quality and dimensional accuracy throughout production.
ERW steel pipe production line and manufacturing equipment
Packaging & Shipping
Professional packaging solutions including bundled packaging, wooden crates, and protective wrapping to ensure product integrity during transportation and storage.
Steel pipe packaging and bundling for shipment Industrial pipe loading and transportation process
Manufacturer Profile
Weifang Wilda Machinery Co., Ltd. established in 2003 specializes in high-precision welded steel pipe production. Our comprehensive manufacturing capabilities include round, square, and custom-shaped steel pipes tailored to client specifications.
Advanced Manufacturing Capabilities
  • Sheet metal processing workshop for precision cutting
  • Professional welding workshop with advanced equipment
  • Metal surface treatment facilities for finishing processes
  • Custom production capabilities for specialized requirements
Quality Assurance
Our commitment to "Accurate, reliable, professional" manufacturing standards ensures consistent product quality and customer satisfaction through strict quality control measures and advanced production technology.
Steel pipe manufacturing facility and production equipment Quality control and inspection processes Steel pipe finished products and warehouse storage
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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

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