Hebei Huayang Steel Pipe Co., Ltd is one of the most experienced manufacturers and suppliers of china exporter hfw erw pipe 76~660mm africa infrastructure welded tube in China. Welcome to buy discount china exporter hfw erw pipe 76~660mm africa infrastructure welded tube made in China here from our factory. Quality products and low price are available.
Product introduction
1. Product Overview
76~660mm HFW (High Frequency Welded) ERW Steel Pipe is a core steel tubular product independently developed and exported by Chinese manufacturers, specially optimized for African infrastructure construction projects. Adopting advanced hot-rolled coil high-frequency resistance welding technology, the pipe features stable mechanical performance, excellent pressure resistance and superior environmental adaptability, fully adapting to the complex climate, geological conditions and engineering standards of African regions.
This series of welded tubes strictly complies with international mainstream standards including API 5L, GB/T 9711, ASTM A53 and ISO 3183. With a complete outer diameter range of 76mm to 660mm and customizable wall thickness and length, it is widely applicable to core African infrastructure fields such as urban gas transmission, rural water supply, industrial pipeline laying, road and municipal engineering, becoming a cost-effective preferred pipe material for African engineering contractors and project developers.
Core Application in African Infrastructure
Urban & Rural Gas Pipeline Projects: Medium and low-pressure natural gas, biogas and LPG transmission branch lines for African city communities and rural settlements
Municipal Water Supply & Drainage Engineering: Long-distance water transmission pipes, domestic water distribution pipelines and farmland irrigation supporting pipelines
Industrial Park Construction: Fluid transmission pipelines for African manufacturing parks, mining supporting pipelines and factory gas delivery systems
National Infrastructure Supporting Projects: Highway, railway and municipal supporting pipeline networks, urban reconstruction and new area construction pipe materials
Energy Development Projects: Oil and gas field gathering and transmission branch pipes, small and medium-sized energy pipeline supporting facilities in Africa
2. Production Technology & African Market Adaptability Advantages
Professional HFW/ERW Integrated Production Process
High-quality hot-rolled carbon steel coil raw material inspection and uncoiling
Precision strip trimming and continuous rolling forming
High-frequency electric resistance welding (HFW) seamless fusion molding
Weld seam online heat treatment to eliminate internal stress
Full-length ultrasonic non-destructive weld inspection
Hydrostatic pressure leakage test and mechanical performance detection
Fixed-length cutting, pipe end beveling and finishing
Anti-rust and anti-corrosion treatment, standardized packaging for export
Exclusive Advantages for African Infrastructure Projects
Strong Environmental Adaptability: Optimized raw material formula, resistant to high temperature, dry climate and mild soil corrosion in Africa, not easy to deform and crack in long-term outdoor use
Engineering Cost-Effective: Compared with seamless steel pipes, HFW welded pipes have lower unit cost, higher production efficiency and stable quality, perfectly matching the budget demand of large-scale African infrastructure projects
Convenient On-Site Construction: High dimensional accuracy of pipe body, uniform weld flatness, easy for on-site butt welding and installation, effectively shortening the construction cycle of African engineering projects
Complete Customization Service: Support non-standard size, anti-corrosion coating and length customization, adapting to different regional engineering standards in West Africa, East Africa, South Africa and other regions
Stable Export Supply: Large-scale factory production capacity, sufficient inventory, supporting bulk container and bulk ship transportation, meeting the centralized procurement demand of African infrastructure projects
3. Complete Technical Specifications
|
Item |
Detailed Parameters |
|
Outer Diameter Range |
76mm – 660mm (NPS3 – NPS24) |
|
Wall Thickness Range |
2.5mm – 18mm (SCH40, SCH80, STD, XS customizable) |
|
Standard Length |
6m, 12m (main export specification), 5.8m, 11.8m; custom fixed cutting length |
|
Applicable Standards |
API 5L PSL1/PSL2, ASTM A53, GB/T 9711, ISO 3183, EN 10217 |
|
Steel Grades |
API 5L Gr.B, X42, X46, X52, X60; Q235B, S275JR, S355J2H |
|
Pipe End Treatment |
Plain ends, beveled ends (for engineering welding), threaded ends (small diameter pipes) |
|
Surface Treatment |
Black anti-rust oil, primer painting, 3PE/FBE anti-corrosion coating (buried pipeline dedicated) |
|
Max Working Pressure |
≤4.0MPa (meet African medium and low pressure engineering pipeline standards) |
|
Size Tolerance |
Outer diameter ±0.75%, wall thickness ±10%, length ±50mm |
4. Core Product Performance
Ultra-Safe Welding Performance: 100% online ultrasonic weld inspection + full-pipe hydrostatic test, no weld crack or air leakage. Post-weld heat treatment avoids brittle failure, adapting to frequent temperature changes in African regions.
Excellent Structural Stability: Adopts high-purity hot-rolled steel coil raw materials, with compact grain structure, strong compression resistance and impact resistance, suitable for complex geological construction environments in Africa.
Durable Anti-Corrosion Performance: Optional multi-layer anti-corrosion coating, effectively resisting tropical high temperature, humidity and soil corrosion, extending pipeline service life to more than 30 years for outdoor buried engineering.
High Construction Compatibility: Strict dimensional tolerance control, good pipe body straightness and roundness, reducing on-site welding difficulty and improving the construction efficiency of African infrastructure projects.
Stable Batch Quality: Fully automated production line, consistent performance of bulk products, no quality difference in batch supply, meeting the strict acceptance standards of international engineering projects.
5. Strict Export Quality Inspection System
As a professional Chinese exporter, all HFW ERW pipes are inspected in full accordance with international export standards to ensure compliance with African engineering acceptance requirements:
Raw material chemical composition and mechanical performance analysis
Tensile, yield strength and elongation testing of pipe body
Weld flattening, bending and low-temperature impact test
100% full-length ultrasonic weld non-destructive testing
Full-spec hydrostatic pressure leakage prevention test
Dimensional precision detection and surface defect inspection
Anti-corrosion coating thickness and adhesion test
Batch traceability marking and export pre-inspection
6. Export Packaging & African Logistics Solution
Small & Medium Diameter Pipes (76-219mm): Hexagonal steel strip bundling, plastic end caps protection, waterproof kraft paper wrapping, firm and not easy to loose during long-distance sea transportation
Large Diameter Pipes (273-660mm): Bulk container loading or bulk ship shipment, single pipe independent protection to avoid collision and damage
Export Marking: Each bundle is affixed with metal labels marked with specifications, standards, batch number and certification information, supporting customs clearance and engineering acceptance
Logistics Adaptation: Long-term stable sea freight routes to West Africa, East Africa, South Africa and other regions, supporting port delivery and door-to-door transportation, fast delivery cycle
7. Export Certifications
Complete international qualification certifications to support African project bidding, customs clearance and engineering acceptance:
API 5L Monogram Certification (PSL1/PSL2)
ISO 9001 Quality Management System Certification
ISO 14001 Environmental Management Certification
CE PED Pressure Equipment Directive Certification
SGS/BV/TUV Third-Party Inspection Report (customizable)
Fully compliant with African regional engineering procurement standards
About us
Hebei Huayang Steel Pipe Co., Ltd. was founded in 2005, with a registered capital of 500 million yuan. The company covers an area of more than 1,000 mu, with annual sales of 10 billion yuan, more than 600 employees and an annual productivity of 2.75 million tons. The company has 17 new automatic steel pipe production lines and 14 high-frequency production lines, with a diameter of 73-660 mm; Three double-sided submerged arc welded steel pipe production lines with diameters of 406.4-1422.4mm;; 24 hot tube expanding production lines, with a diameter of 230-820mm; Two anticorrosion steel pipe production lines with a diameter of 73-1626 mm; 2 automatic painting production lines. With 3 branches and 5 offices, the products are sold to various cities and exported to more than 80 countries such as Southeast Asia, Middle East, Europe and America.
Packaging, transportation and delivery
Packaging, transportation and delivery
At Hebei Huayang Steel Pipe Co., Ltd., we apply standardized and reliable packaging solutions for all our steel pipe products. Our pipes can be securely packed by hexagonal bundling or circular bundling according to product diameter, wall thickness and customer requirements. Each pipe end is protected with high‑strength plastic pipe caps to avoid collision damage, dust and moisture during transportation and storage. The whole bundle is firmly wrapped with durable woven bags to enhance stability and prevent scratches or deformation.
We support a complete range of transportation methods to satisfy global customers, including road transportation, railway transportation, sea freight and container shipping. Based on our strategic location in Cangzhou, Hebei Province, we enjoy convenient access to major ports such as Tianjin Port, which greatly improves logistics efficiency and reduces transportation costs.
For standard specifications and normal order quantities, the general delivery time is about 30 days after order confirmation and deposit receipt. For large‑scale orders, special sizes or customized processing requirements, our production and sales team will formulate a detailed production plan and provide an accurate delivery schedule accordingly to ensure on‑time supply and stable performance for projects and clients worldwide.
Strict quality control
1. During and after the production, experienced quality inspectors randomly check the products to ensure that each steel pipe is qualified for production and application.
2. A nationally recognized laboratory with CNAS certification and certification by French Classification Society.
3. Have CNOOC access certificate, KOC oil company access network, ADNOC Abu Dhabi oil company access network, Petrobras access network, etc.
4. Accept the inspection by the third party designated/paid by the buyer, such as SGS and BV.
Certifications
API 2B
API 5L
GOST
ISO 9001
EN 10219
EN 10210
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