HFW Steel Pipe

DELLOK high-frequency welded finned tubes enhance heat transfer efficiency with customizable fin designs and tube sizes. Made from high-grade steel or stainless steel, they offer high pressure and temperature ratings for reliable performance in air conditioning, refrigeration, and industrial heat exchangers.

High frequency welded solid fin tube for water wells, SCH 40 thickness, ERW process. Durable, efficient heat transfer. Custom sizes, API 5CT certified, 12 million meters annual capacity. Reliable B2B supply.

Dellok 8 inch SCH 40 water well casing pipe, HFW and ERW welded, beveled ends. Manufactured to API 5CT standards with grades J55, K55, N80, L80, P110. Suitable for sweet and sour service. Custom sizes and connections available. Reliable for water well and oilfield applications.

DELLOK HFW Solid Fin Tubes feature high-frequency welding technology for superior heat transfer efficiency in industrial applications. Available in carbon steel, stainless steel, and nickel alloys with operating temperatures up to 1000°C. Customizable fin types including plain, serrated, and corrugated designs for heat exchangers, power generation, and chemical processing systems.

DELLOK High-Frequency Welded Finned Tubes deliver superior heat transfer efficiency with corrosion-resistant construction. Featuring customizable fin density and height options, these tubes provide long service life for air conditioning, heating systems, power plants, and petrochemical applications. Includes comprehensive technical support and warranty coverage.

DELLOK High Frequency Welded Finned Tubes deliver superior heat transfer with continuous helical fins, pressure ratings up to 600 PSI, and temperature range from -50°C to +500°C. Featuring corrosion-resistant materials and customizable specifications, these tubes are ideal for HVAC, oil and gas, power generation, and industrial heating systems with woodencase/pallet packaging for secure sea shipment.

DELLOK High-Frequency Welded Finned Tubes deliver superior heat transfer efficiency with excellent corrosion resistance and customizable fin designs. Ideal for HVAC systems, power generation, and petrochemical applications, these tubes feature compact designs for maximum thermal performance in limited spaces. Backed by comprehensive engineering support and quality assurance.

Advanced high-frequency welded finned tubes delivering exceptional heat transfer efficiency for air conditioning, heating systems, power plants, and petrochemical applications. Features customized solutions, engineering support, and comprehensive after-sales services including warranty coverage and technical assistance for reliable thermal management solutions.

DELLOK HFW Solid Fin Tube features advanced high-frequency welding technology and solid fin construction for superior heat transfer performance. Engineered with optimized fin geometry and corrosion-resistant materials, this industrial heat exchanger component ensures maximum efficiency, structural integrity, and long-term durability in demanding applications.

High-Frequency Welded Finned Tubes with 5-20mm fin height and up to 15 fins per inch deliver superior heat transfer efficiency. Engineered with carbon steel or stainless steel construction, these durable tubes feature helically welded fins for maximum surface area and corrosion resistance in industrial applications.

High-efficiency HFW steel pipe compliant with ASTM A192/A210 standards, available in Grade A1 and C with annealed, normalized, or tempered delivery conditions. Features 16.5mm max fin height, 0.4-0.6mm fin thickness, and CE/ISO certifications. Ideal for power plants, chemical processing, and corrosive environments with daily production capacity up to 7,000 meters.

DELLOK HFW LL Type Tension Wound Finned Tubes feature 16.5mm crimped fins on OD19×1.25WT base tubes with 170°C maximum operating temperature. These heat exchanger tubes provide superior corrosion protection through overlapping L-shaped fin design and include spacer boxes. Manufactured to API 661 standards with daily production capacity of 5,000 meters across 7 finning machines.

DELLOK HFW solid fin tubes offer superior heat transfer efficiency and durability. Manufactured with advanced high-frequency welding for consistent bond strength. Ideal for industrial heat exchangers. Available in custom sizes. Certified quality with one-year warranty.

High-strength HFW casing tube in grades J55 to V150, meeting API 5CT/ISO 11960. Sizes from 114.3mm to 508mm OD. Approved by ABS, BV, LR, DNV, GL, KR. Suitable for sweet and sour service, with anti-H2S options. Custom connections and accessories available.

High-strength OCTG drilling pipes in AISI 1340, 4140, 4137 grades. Yield up to 125KSI. Size range 10-1200mm. API 5CT certified, anti-H2S options, custom connections. Reliable for sour service.

Dellok hot dip galvanized steel pipe for greenhouse scaffolding. API 5CT certified, grades J55 to Q125. Custom sizes, logo, and packaging available. Durable, corrosion-resistant, and ideal for structural support.

Dellok HFW solid fin tube ensures superior heat transfer with high-frequency welding. Annual capacity exceeds 12 million meters. Ideal for petroleum, chemical, and power industries. Custom sizes and API 5CT certified. Durable, efficient, and backed by 20+ years of expertise.

Dellok HFW galvanized steel round tube offers 30-650 g/m2 zinc coating for superior corrosion resistance. Ideal for greenhouse frames, it meets ISO9001 standards with customizable sizes and export packing. Durable, efficient, and cost-effective for agricultural construction.

Dellok YONGHUI HFW solid fin tube, OD 10-920 mm, thickness 1-80 mm. API/ISO certified, durable for gas transport. Customizable surface treatment. Reliable quality, competitive pricing, and 15-21 day delivery.

DELLOK HFW solid fin tube features black painted surface for corrosion resistance. With 12 million meters annual capacity, it meets API 5CT standards. Custom sizes and coatings available for fire protection systems. Durable and efficient.