HFW Steel Pipe

DELLOK laser welded fin tube coils offer 99-100% fully welded construction for superior heat transfer and corrosion resistance. Ideal for waste heat recovery, they save space and energy. Customizable with 20,000+ tons annual processing capacity. ISO quality assured.

Laser welded fin tube coil with thin continuous seam, small HAZ, and high welding speed. Made from SS304/316. Ideal for waste heat recovery, petrochemical, and boiler systems. Custom sizes available.

DELLOK laser welded fin tube coils offer 99-100% fusion for superior heat transfer. Carbon steel construction ensures durability. Ideal for compact heat exchangers, saving space and energy. Customizable with 12mm base tube. Backed by ISO quality and 1-year warranty.

DELLOK laser welded finned tube offers metallurgical bonding with weld strength over 600MPa. Features 0.05mm precision, fin pitch ≤2.5mm, and 50% more heat dissipation area. Ideal for heat exchangers. Custom options available with 1-year warranty.

Laser welded finned tube coil with 100% fusion bond for maximum heat transfer. Superior anti-corrosion, high thermal conductivity, and durable structure. Ideal for heat exchangers. Customizable lengths and coils. Backed by 20+ years of manufacturing expertise.

DELLOK laser welded finned tube coils offer metallurgical bonding with weld strength over 600MPa. High precision up to 0.05mm over 8m length increases heat transfer efficiency by 50%. Ideal for heat exchangers, with customizable materials and competitive pricing.

Laser welded finned tube coil with metallurgical bonding strength over 600MPa. High precision up to 0.05mm over 8m length. Increases heat transfer area by 50% vs high frequency welded. Customizable materials and dimensions. Ideal for efficient heat exchangers.

DELLOK reboiler laser welded fin tube coil offers 99-100% weld penetration, high heat transfer efficiency, and strong corrosion resistance. Suitable for power plants, chemical, and heat recovery industries. Customizable shapes, one-year warranty, and 12 million meters annual capacity.

DELLOK laser welded copper finned tube with C12200 base tube offers 100% weld rate, 600MPa strength, and 0.05mm precision. Saves material costs with thin walls, resists crevice corrosion, and allows easy bending. Ideal for heat exchangers in petrochemical, power, and refrigeration systems.

DELLOK laser welded finned tube offers metallurgical bonding with over 600MPa weld strength, precision up to 0.05mm, and 50% more heat dissipation area. Ideal for HP evaporators, it ensures high efficiency, corrosion resistance, and custom options. Certified quality, competitive pricing.

DELLOK laser welded fin tube offers 100% penetration rate, preventing gap corrosion and enhancing heat transfer. Suitable for high-temp applications up to 450°C. Customizable material combinations and sizes. Ideal for power, chemical, and heat recovery systems.

DELLOK carbon steel laser welded finned tube offers 99-100% weld penetration, up to 2.5x higher thermal performance, and strong corrosion resistance. Ideal for power plants, chemical, and heat recovery systems. Customizable shapes, one-year warranty, and 12 million meters annual capacity.

DELLOK laser welded fin tubes offer thin base tubes (0.8-1.5mm) and fins (0.3-1mm) for material savings. Full penetration weld eliminates gap corrosion, enhances heat transfer, and allows coiling. Ideal for heat recovery boilers and power plants.

DELLOK laser welded finned tube offers 99-100% fully welded construction for superior heat transfer and corrosion resistance. Ideal for heat exchangers, it saves cost and space with enhanced durability. Customizable and backed by ISO standards.

DELLOK offers customized stainless steel welded fin tubes for heat recovery, featuring laser welding at 20m/min for superior thermal performance. With 100% weld integrity, corrosion resistance, and annual capacity of 12 million meters, ideal for industrial boilers and power plants. OEM and custom options available.

DELLOK 304 stainless steel laser welded finned tube offers 600MPa bonding strength and 0.05mm precision. Ideal for heat exchangers, boilers, and economizers. Customizable, certified quality, and 12 million meters annual capacity.

DELLOK laser welded finned tube offers 100% fin-to-tube bond without filler, delivering up to 2.5x higher thermal performance. Continuous weld prevents V-corrosion and cracks. Ideal for gas-fired boilers, chemical coolers, and power plants. Custom options and third-party inspection available.

DELLOK laser welded fin tubes offer zero contact thermal resistance, high fin ratio, and lightweight design for energy-efficient heat exchangers. Suitable for power plants and chemical industries. Custom sizes available with annual capacity of 12 million meters.

DELLOK spiral finned tubes feature high frequency welding for superior durability and heat transfer. With 12 million meters annual capacity, they offer corrosion resistance, easy cleaning, and custom options. Ideal for heat exchangers, boilers, and industrial applications.

Laser welded fin tubes with 100% weld rate and strength over 600MPa. Ideal for condensing boilers and heat exchangers. Customizable fin pitch from 2-20mm. High corrosion resistance and thermal efficiency. Trusted by global industries.