316 Stainless Steel HF Welded Fin Tube for Energy Storage Liquid Cooling
Our 316 HF Welded Finned Stainless Steel Tube is purpose-built for energy storage liquid cooling systems. We paired a rock-solid HF welded fin structure with top-tier 316 stainless steel, so this HF Welded Finned Liquid Cooling Tube cranks out exceptional heat exchange performance even in the toughest thermal management environments.
Thanks to that molybdenum-boosted alloy makeup, this tube offers way better resistance to chloride corrosion and chemical damage. That’s what makes this Energy Storage Liquid Cooling Tube such a reliable, long-lasting pick for battery cooling modules, data center thermal circuits, and industrial liquid cooling loops. Whether you’re fitting it into a compact storage enclosure or a huge power station, it stays dimensionally stable and structurally sound, even working across that wide temperature range from -200°C all the way up to +600°C.
Product Introduction
Product Specifications
|
Parameter |
Specification |
|
Material |
316 Stainless Steel (Mo-enhanced, ASTM A249/A269) |
|
Tube Type |
HF (High-Frequency) Welded Fin Tube |
|
Outer Diameter (OD) |
Φ12 mm – Φ100 mm (custom sizes available) |
|
Wall Thickness |
0.5 mm – 5.0 mm |
|
Fin Height |
3 mm – 15 mm (customizable) |
|
Fin Pitch |
2 mm – 10 mm (customizable) |
|
Standard Length |
6 m / piece; custom cut lengths available |
|
Working Pressure |
Up to 200 kgf/cm² (depending on wall thickness) |
|
Operating Temperature |
-200°C to +600°C |
|
Weld Seam Strength |
≥ 90% of base material strength |
|
Surface Treatment |
Pickled, polished, or sandblasted per request |
|
Applicable Standards |
ASME B31.3, GB/T 14976, ISO 9001 |
Product Advantages
Unbeatable Corrosion Resistance
First off, this tube's corrosion resistance is top-notch. The molybdenum (Mo) we added to the 316 stainless steel makes a huge difference - it ramps up the tube's ability to fight off chloride pitting and crevice corrosion by a lot. That means it works perfectly for cooling circuits that deal with all kinds of coolant mixes, salty air, or the super humid environments you often see in energy storage setups - the exact conditions where regular 304 stainless steel just can't hold up.
Better Heat Transfer, Thanks to Our HF Welded Fin Design
That high-frequency welded fin bond? It hits a weld seam strength of at least 90% of the base material. That basically means you'll never have to worry about fins falling off, even with all that repeated thermal cycling. The fins also massively expand the effective heat exchange surface area, so heat dissipates way faster from battery modules and power electronics, and keeps your coolant circulation efficient across the whole system.
Handles a Wide Range of Temperatures and Pressures
With an operating range that goes from -200°C to +600°C, and a rated working pressure up to 200 kgf/cm², this tube easily handles the cyclical thermal loads that come with charge-discharge cycles in energy storage systems - no deformation, no fatigue cracking. We also offer wall thickness options from 0.5 mm to 5.0 mm, so you can pick the exact pressure rating your project needs.
Long Service Life, Barely Any Maintenance
316 stainless steel naturally resists scaling and deposit buildup, so your flow passages stay clean even after years of running nonstop. The smooth inner wall cuts down on hydraulic resistance, which lowers the energy your circulation pumps use. Pair that with the corrosion-proof outer surface, and you get way fewer maintenance stops, plus a service life of over 15 years under normal operating conditions.
Customization & Ordering Tips
Before you place your order, we recommend locking in these key details first, so we can get you the exact product you need:
- Your use case: whether it's energy storage battery cooling, a data center liquid cooling loop, an industrial chiller, or something else
- Tube outer diameter (OD) and wall thickness: matched to your system's flow rate and working pressure needs
- Fin specs: we can adjust fin height, fin pitch, and fin density to optimize heat exchange for your specific coolant flow speed
- Tube length and total quantity: our standard length is 6m per piece, but we can cut custom lengths to cut down on on-site processing waste
- Surface finish: we can do pickled, bright-annealed, or mechanically polished surfaces, depending on your installation needs
Our in-house engineering team is here to help you pick the right one, too. Just share your system's pressure, temperature range, coolant type, and space constraints, and we'll recommend the perfect spec to get the best thermal performance and cost efficiency for your system.
Where You Can Use This Tube
Energy Storage Systems: We use these tubes for battery pack liquid cooling circuits in all kinds of setups, from big grid-scale storage stations, to commercial and industrial BESS units, even small residential storage systems. It keeps every cell's temperature nice and even, which stretches out the battery's cycle life and cuts down the risk of thermal runaway.
Data Centers & High-Performance Computing: Server rack liquid cooling loops and condenser assemblies. It works great for high-density compute environments where air cooling just can't keep up with the heat anymore.
New Energy Vehicles (NEV): Battery module cooling channels and power electronics thermal management for EV and hybrid vehicles.
Industrial Equipment: Cooling circuits for chemical reactors, food processing machinery, and precision manufacturing gear that works in corrosive or super humid environments.
Pumped Hydro & Other Renewable Energy Facilities: Condenser and heat exchanger tubing, where long-term corrosion resistance under cycling operating conditions is non-negotiable.
FAQ
Q: What's the real difference between 316 and 304 stainless steel for liquid cooling uses?
A: Great question! 316 stainless steel has molybdenum in it - usually around 2-3% - which 304 stainless steel doesn't have. That extra element makes it way better at fighting off that pitting and crevice corrosion that chloride ions cause, which is the core advantage of our 316 HF Welded Finned Stainless Steel Tube. That's a game-changer if your coolant has halide ions, or if you're installing this in a marine, coastal, or chemically active area. For basic fresh-water loops in mild, low-corrosion environments, 304 might work okay. But for energy storage, offshore, or cooling systems near chemical facilities? 316 is the way to go, no question.
Q: Can I customize the fin dimensions to fit my existing heat exchanger design?
A: Absolutely. We can fully adjust fin height, fin pitch, fin thickness, and the number of fins per unit length to match your heat exchanger's geometry and your target heat transfer coefficient for our HF Welded Finned Liquid Cooling Tube. We can also fabricate this Energy Storage Liquid Cooling Tube into U-bend, L-bend, or custom coil shapes to fit even the most compact module layouts.
Q: What quality standards does this product meet?
A: All our 316 HF Welded Finned Stainless Steel Tube are made to follow ASME B31.3 (Process Piping), GB/T 14976 (Seamless Stainless Steel Tubes for Fluid Transport), and ISO 9001 quality management rules. Every single batch goes through hydrostatic pressure testing, dimensional checks, and surface quality inspections before it leaves our facility. We can also sort out export paperwork, mill test certificates (MTC), and third-party inspection if you need it.
Q: What's your standard lead time and minimum order quantity (MOQ)?
A: For our standard catalogue sizes, we can usually ship within 7–15 business days. For custom fin geometries or non-standard OD/wall thickness combinations, it takes 20–30 business days, depending on your order volume. MOQ varies based on the specs you need - just reach out to our sales team with your technical requirements, and we'll get you a quick quote and delivery timeline.
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