Thick Wall GI Galvanized Bend Black Steel Pipes Q195 1m-12m Length with ≤3% Ovality Rate

High-quality thick wall GI galvanized bend black steel pipes manufactured from Q195 material, available in lengths from 1m to 12m. These ERW (Electric Resistance Welded) pipes include black hollow sections, square tubes, and round/square steel pipes with galvanized coating for enhanced corrosion resistance.

• Laser cutting technology ensuring precise dimensions
• Excellent perpendicularity for accurate alignment
• No bevel cutting for clean edges
• Superior ovality control with out of roundness rate ≤ 3%
• Advanced bending technology with thinning rate ≤ 15%

Ideal for construction, structural frameworks, mechanical engineering, industrial piping systems, infrastructure projects, and custom fabrication applications requiring durable, corrosion-resistant steel components.

We select appropriate packaging methods based on product types to minimize transportation damage and ensure safe delivery.

Professional quality inspectors conduct on-site testing of materials and specifications before shipment, with photographic documentation. Customers can track and monitor logistics progress throughout transportation.

Our products undergo at least 16 quality control processes and include third-party authoritative inspection reports. Professional verification ensures accurate product weight and specifications.

Weifang Wilda Machinery Co., Ltd., established in 2003, specializes in manufacturing high-precision galvanized welded steel pipes. We produce round, square, and custom-shaped steel pipes according to customer specifications.

Our comprehensive facilities include sheet metal processing, welding, and metal surface treatment workshops, enabling us to meet diverse customer requirements.

Our commitment to excellence is supported by skilled employees, advanced technology, sophisticated equipment, and strict management systems. "Accurate, reliable, professional" represents our production philosophy and service standards.

• 18+ years of manufacturing expertise since 2003
• Comprehensive in-house processing capabilities
• Rigorous 16-step quality control process
• Third-party certified inspection reports
• Custom fabrication capabilities for specialized requirements
• Professional packaging and logistics tracking