Home > Welded Tubes > HVAC & Chiller Tubes (ASTM B111 / ASTM B466 / ASTM B515)
INOX STEEL INDIA supplies application-focused HVAC & Chiller Tubes engineered for efficient heat transfer, corrosion resistance, and long-term reliability in cooling and air-conditioning systems.
HVAC and chiller tubes are used in water-cooled chillers, condensers, evaporators, cooling coils, and district cooling plants, where continuous heat exchange is required under flowing water conditions. These systems often operate round-the-clock, making tube reliability critical to energy efficiency, operating cost, and system uptime.
Unlike general piping, HVAC and chiller tubes are selected primarily for:
For these reasons, such applications commonly specify non-ferrous and corrosion-resistant alloy tubes, including:
In HVAC and chiller systems, tube condition directly affects:
Tube fouling, corrosion, or leakage can reduce heat-transfer efficiency, increase energy usage, and lead to unplanned shutdowns. This is why HVAC and chiller tubes are chosen based on cooling water quality, flow velocity, and expected service life, not just initial material cost.
INOX STEEL INDIA supports HVAC and chiller applications with material-specific supply, clean tubing suitable for heat exchange, and project-ready documentation for commercial, industrial, and district cooling systems.
Across these installations, tubes must deliver consistent heat rejection with minimal degradation over time.
HVAC and chiller tubes manufactured to ASTM B111, ASTM B466, and ASTM B515 are widely used in:
Their global acceptance makes them suitable for both domestic HVAC systems and international cooling projects.
HVAC and chiller tubes are selected with a thermal-performance and lifecycle mindset. Unlike structural or process piping, these tubes operate in constant heat-exchange duty, where corrosion, fouling, and erosion directly reduce system efficiency and increase power consumption.
This is why material selection is driven by cooling water quality, operating temperature, and long-term maintenance strategy.
🔹 Copper & Copper Alloy Chiller Tubes — ASTM B111
ASTM B111 covers copper and copper-alloy tubes widely used in water-cooled chillers, condensers, and evaporators.
They are commonly used in:
Why ASTM B111 is preferred
For most commercial HVAC systems, ASTM B111 offers an ideal balance between heat-transfer efficiency and cost effectiveness.
🔹 Copper-Nickel Chiller Tubes — ASTM B466
When HVAC or chiller systems operate with seawater, brackish water, or high-chloride cooling media, ASTM B466 copper-nickel tubes are specified.
These tubes are used in:
Why ASTM B466 is selected
Copper-nickel alloys offer:
This makes ASTM B466 tubes ideal for long-life cooling systems exposed to aggressive water conditions.
🔹 Nickel Alloy HVAC Tubes — ASTM B515
For HVAC and chiller systems exposed to high temperatures, chemically aggressive environments, or process cooling duties, ASTM B515 nickel alloy welded tubes are selected.
They are used in:
Why ASTM B515 is chosen
Nickel alloys maintain strength and corrosion resistance where copper alloys or standard materials may degrade. They are selected when system reliability and service life outweigh initial material cost.
In real installations, HVAC and chiller tubes must:
Material choice directly influences energy efficiency, downtime frequency, and operating cost of the entire HVAC system.
Buyers and designers typically evaluate:
INOX STEEL INDIA supports this selection by aligning tube material with real operating conditions, ensuring HVAC and chiller systems remain efficient and dependable throughout their lifecycle.
In HVAC and chiller systems, tube quality directly influences cooling efficiency, energy consumption, and system uptime. Tubes operate under continuous water flow and repeated thermal cycling, making resistance to corrosion, fouling, and erosion essential.
HVAC & chiller tubes supplied by INOX STEEL INDIA are selected with a focus on:
This approach helps maintain high heat-transfer efficiency and low maintenance requirements throughout the system’s service life.
HVAC tubing is not a commodity—it is a system efficiency component.
Our objective is to support energy-efficient, reliable cooling systems.
HVAC and chiller tubes manufactured to ASTM B111, ASTM B466, and ASTM B515 are widely used in:
Their global acceptance makes them a reliable choice for both domestic HVAC projects and international cooling systems.
For chillers, condensers, evaporators, and cooling systems:
52-A, Mulji Thackersi Bldg, Islampura Street, Shop No. 10, Near Alankar Cinema, Mumbai – 400 004
alloy@inoxsteelindia.in, steel@inoxsteelindia.in
+91 9930796690
Copper offers excellent thermal conductivity, improving heat-transfer efficiency in HVAC systems.
They are used when cooling water contains chlorides, such as seawater or brackish water.
Yes, in industrial or high-temperature HVAC applications where corrosion resistance is critical.
INOX STEEL INDIA supplies HVAC and chiller tubes as per ASTM B111, ASTM B466 and ASTM B515 standards. Copper, copper-nickel and nickel alloy tubes for chillers, condensers, evaporators and district cooling systems.