Welded Pipe
Premium Carbon Steel · HFW Process · Widely Used Across Industries
Overview
Welded steel pipes are formed from premium carbon steel through high-frequency welding (HFW) or submerged-arc welding (SAW). Smooth, strong welds and uniform wall thickness deliver high structural strength and pressure resistance. Widely used in construction scaffolding, steel structural frames, water supply/drainage, agricultural greenhouses, traffic barriers, and mechanical components.
Key Advantages
Proven Quality, Multi-Scenario Compatibility
Premium carbon steel raw material, formed by HFW/SAW processes — smooth welds, uniform wall thickness, high structural strength and compressive resistance. Meets industrial, commercial, and residential project requirements.
Precision Welding, Stable Performance
Automated welding equipment ensures welds free of slag, porosity, and cracks — far exceeding industry strength standards. Multiple surface treatments available: black pipe, painted, galvanized.
Cost-Effective, Budget-Friendly
Factory direct — no middlemen, core competitive pricing. Low processing waste and easy installation effectively reduce overall construction and material costs. The preferred choice for bulk procurement and long-term partnerships.
Strict QC, Hassle-Free Export
Every batch undergoes dimensional inspection, weld flaw detection, and pressure testing. Compliant with GB/T 3091, ASTM A53, EN10219. ISO9001, CE, SGS certifications available.
Specifications
- Material
- Q195, Q235, Q345, Q235B, etc. (custom available)
- Standards
- GB/T 3091, ASTM A53, EN10219
- Diameter
- DN15 (1/2") – DN200 (8")
- Wall Thickness
- 1.2mm – 6.0mm (custom available)
- Standard Length
- 6m, 12m (non-standard cut available)
- Surface Treatment
- Black pipe, painted, hot-dip galvanized, cold-galvanized
- Connection
- Threaded, grooved, welded
- Certifications
- ISO9001, CE, SGS, BV
Applications
Construction
- Scaffolding pipes, structural columns/beams, stair railings, door/window frames
- Main water supply/drainage pipes
Agriculture
- Greenhouse frames, irrigation water pipes, farm fence supports
Industrial
- Machinery frames, chemical fluid transport pipes, storage rack uprights
Transportation & Municipal
- Highway guardrails, bridge railings, street lamp bases, residential pipe renovation
Home & Civil Use
- Indoor/outdoor decoration conduits, solar mounting, outdoor protective railings
Why Choose Us
- 01
Factory Direct: Own production base with ample capacity for large orders and short lead times
- 02
Custom Services: Material, wall thickness, length, surface treatment, and packaging customized per project
- 03
One-Stop Export: Complete export documentation; sea/air/land logistics coordination for safe global delivery
- 04
Technical & After-Sales: Professional team provides installation guidance and material selection; prompt after-sales response
Need a Quote or Technical Advice?
Our engineering team will respond within 24 hours.