Stainless Steel Heat Exchanger Tube - Mumbai

What are the advantages of using stainless steel heat exchanger tubes?

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Stainless steel heat exchanger tubes offer numerous advantages, making them a preferred choice in various industries. Stainless steel exhibits exceptional corrosion resistance, crucial in environments where the heat exchanger comes into contact with corrosive substances or operates at high temperatures. This resistance to corrosion helps prolong the tubes' lifespan, ensuring long-term performance and reducing maintenance costs.

Stainless steel has excellent thermal conductivity, allowing for efficient heat transfer between the fluids flowing inside and outside the tubes. This characteristic promotes enhanced heat exchange efficiency, improving overall system performance and energy savings.

Another significant advantage of stainless steel heat exchanger tubes is their high strength and durability. Stainless steel is known for its robustness, enabling it to withstand extreme operating conditions, pressures, and mechanical stresses. The tubes can resist deformation and maintain structural integrity over extended periods, ensuring reliable operation in demanding applications.

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Stainless Steel Finned Heat Exchanger Tubes, Seamless Heat Exchanger Stainless Steel Tube, SS Heat Exchanger Tube, Stainless Steel Heat Exchanger Tubes, SS Heat Exchanger Tubing Supplier In Mumbai, India.

How do stainless steel heat exchanger tubes differ from other materials commonly used in heat exchangers?

Stainless steel heat exchanger tubes possess distinctive characteristics that differentiate them from other commonly used materials in heat exchangers. Stainless steel exhibits superior corrosion resistance compared to carbon steel or copper materials. This corrosion resistance is especially crucial in environments where the heat exchanger comes into contact with aggressive substances, high temperatures, or harsh operating conditions. Unlike carbon steel, stainless steel does not easily rust or corrode, ensuring prolonged service life and reducing maintenance requirements.

Stainless steel offers excellent strength and durability. It is known for its high tensile strength, enabling it to withstand high pressures and mechanical stresses without deformation or structural failure. This robustness makes stainless steel heat exchanger tubes suitable for applications requiring thermal and mechanical stress resistance, such as in the petrochemical, oil and gas, and power generation industries.

Specification Of Stainless Steel Heat Exchanger Tube

Standard ASTM A213, A249 / SA213, SA249 Delivery Condition Bright Annealed, Annealed and Pickled, Cold Drawn, Polished, MF Size Range 6.53 to 127 mm Length up to 20 Meter Heat Exchanger Tubes Bending Radius 1.25 x Outer Diameter up to mm Wall Thickness Range 0.5 To 5 mm Tolerance +/-0.05 Mm END Beveled End, Plain End, Treaded Processing Service Cutting, Bending, Decoiling, Welding, Punching, Moulding Technique Hot rolled, Cold drawn, Cold rolled, Extrusion Tube

Stainless Steel Heat Exchanger Tube Length, Stainless Steel Heat Exchanger U Bend Tubing, Stainless Steel Heat Exchanger U Tube, Stainless Steel Heat Exchanger Tube Manufacturers, SS Heat Exchanger Shell and Tube.

Types Of Stainless Steel Heat Exchanger Tubes

Stainless Steel Round Heat Exchanger Tube

SS Round Heat Exchanger Tube, Stainless Steel Round Heat Exchanger Tube Supplier, Stainless Steel Round Heat Exchanger Tube Stockist.

Stainless Steel Straight Heat Exchanger Tube

Stainless Steel Straight Heat Exchanger Tube Supplier, SS Straight Heat Exchanger Tube, Stainless Steel Straight Heat Exchanger Tube Stockist.

Stainless Steel Heat Exchanger U Tube

SS Heat Exchanger U Tube, Stainless Steel Heat Exchanger U Tube Stockist, Stainless Steel Heat Exchanger U Tube Supplier.

Stainless Steel Seamless Heat Exchanger Tube

SS Seamless Heat Exchanger Tube, Stainless Steel Seamless Heat Exchanger Tube Supplier, Stainless Steel Heat Exchanger Seamless Tube Stockist.

Widest Range of Stainless Steel Heat Exchanger Tubes in Mumbai, India.

• Stainless Steel Seamless U Tube
• SS Corrugated Tubing Heat Exchanger
• Stainless Steel Counter Flow Heat Exchanger Tube
• Stainless Steel Heat Exchanger Welded Tubing
• SS U-Shaped Heat Exchanger Tubes
• Stainless Steel Cross Flow Heat Exchanger Tube
• Stainless Steel Hybrid Flow Heat Exchanger Tube
• Stainless Steel Recuperative Heat Exchanger Tube

• SS Heat Exchanger U Bend Tube
• Stainless Steel Heat Exchanger Round Tube
• ASME SA213 SS SMLS Heat Exchanger Tube
• Polished Stainless Steel Heat Exchanger Tubing
• Stainless Steel Heat Exchanger U Bend
• A249 Stainless Steel Welded Heat Exchanger Tube
• Stainless Steel Heat Exchanger Tube HS Code
• Stainless Steel Parallel Flow Heat Exchanger Tube

Check Stainless Steel Tubes Types In Detail

Stainless Steel Heat Exchanger Tube Sizes Chart, SS Heat Exchanger Tube Manufacturers In India, Jindal Stainless Steel Heat Exchanger Tube, Stainless Steel Heat Exchanger Tube Exporter In India.

Stainless Steel Heat Exchanger Tubes Price

Product Price 38.10mm SS Heat Exchanger Tube Price Per Kg $4 - 23 / Kg Stainless Steel Heat Exchanger Tube Price US $ - / Ton ASTM A213 Stainless Steel Heat Exchanger Tube Price List $700.00 - $1,900.00/ Ton 12.70 mm Stainless Steel Heat Exchanger Tube Price US $ - / Ton Austenitic Stainless Steel Heat Exchanger Tube Price Per Piece $4.00 - $100.00/ Piece Stainless Steel Heat Exchanger Tube Price In India $698.00 - $1,480.00/ Ton Stainless Steel Welded Heat Exchanger Tube Price US $ - / Ton Stainless Steel Seamless Heat Exchanger Tube Price $1,082.00 - $3,489.00/ Ton SS Heat Exchanger Tube Price List US $ 12 - 45 / Pound

Stainless Steel Heat Exchanger Tube Manufacturing Process

Drawing/ Floating Process

Pulling a metal bar, rod, or wire through the entirety of a die to change its finish, shape, size, and/or mechanical qualities is known as floating or drawing. The tube's outer, inner, and wall thicknesses are all reduced via the tube drawing procedure. Stainless steel tubes benefit from maintaining the integrity of their surface.

Continuous Heat Exchanger Tube Mills

The production of Heat Exchanger tubes has been transformed by continuous tube mills. These mills do away with the necessity for forging welding or filler metal, in contrast to conventional procedures. With the use of this technology, Heat Exchanger pipes and tubes may be produced continuously, increasing productivity while lowering costs and improving efficiency.

Continuous Casting

A notable advancement in the production of Heat Exchanger tubes is continuous casting. The metal is solidified into a continuous billet through the continuous pouring of molten metal into a water-cooled mould. Better uniformity and enhanced mechanical qualities are guaranteed by this continuous casting technique for the tubes.

Annealing

Metal is heated above the point of re-crystallization and cooled to room temperature during the annealing process. The molecular bonds in metal tighten when it is shaped, making it rigid. The metal is put through an annealing process to regain its ductility.

Sinking Process

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Tube sinking is a drawing technique that reduces the diameter of tubes. In this drawing technique, a tube is run through a die without the need of a mandrel. Good inner surface quality is not ensured when using a mandrel. The die angel determines the integrity of the outer surface. The die being used produces a uniform surface. A tube can be significantly smaller than it was originally. When cost is a factor, tube sinking is ideal.

Inspection and Testing

Before sending our items to our consumers, we conduct inspection procedures to verify their integrity.

SS Heat Exchanger Tubes, ASTM A249 SS Welded Heat Exchanger Tubes, Stainless Steel Heat Exchanger Tube Exporter, Stainless Steel Heat Exchanger Tube Stockist, Stainless Steel Heat Exchanger Tube Suppliers.

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Testing & Inspection of Stainless Steel Heat Exchanger Tubes

Testing (Destructive, Non Destructive)

Mechanical Testing Such as Tensile, Elongation, Reduction of Area Sulfide Stress Corrosion Cracking (SSC), NACE TM Micro Test Radiography Test Intergranular Corrosion (IGC) Test Impact Test Macro Test Dye Penetrant Test (DP Test) Positive Material Identification &#; PMI Testing Hydrostatic Test Chemical Analysis &#; Spectro Analysis Hydrogen-Induced Cracking (HIC) Test Hardness Test Ultra Sonic Test (UT) Pitting Resistance Test Eddy Current Testing Flaring Test Bend Test Flattening Test

Stainless Steel Heat Exchanger Tube Sizes & Thickness

Tube Outside diameter      Wall thickness Size inch mm BWG inch mm 1/4 "          0.250        6.350        22        0.028        0.711   24 0.022 0.559 3/8 " 0.375 9.525 18 0.049 1.245   20 0.035 0.889   22 0.028 0.711 1/2 " 0.500 12.700 18 0.049 1.245   20 0.035 0.889 5/8 " 0.625 15.875 16 0.065 1.651   18 0.049 1.245   20 0.035 0.889 3/4 " 0.750 19.050 12 0.109 2.769   14 0.083 2.108   16 0.065 1.651   18 0.049 1.245   20 0.035 0.889 7/8 " 0.875 22.225 14 0.083 2.108   16 0.065 1.651   18 0.049 1.245   20 0.035 0.889 1 " 1 25.400 12 0.109 2.769   14 0.083 2.108   16 0.065 1.651   18 0.049 1.245 1 1/4 " 1.250 31.75 10 0.134 3.404   12 0.109 2.769   14 0.083 2.108   16 0.065 1.651 2 " 2.000 50.800 12 0.109 2.769   14 0.083 2.108

Time to read: 6 min

One of my favorite jobs as a mechanical engineer was as a heat exchanger designer for commercial aerospace. While it may appear straightforward, there are a lot of  considerations in good heat exchanger design, including: 

• Mechanical strength to resist bursting due to high pressure
• Geometry constraints (fitting effective heat exchangers into small footprints) 
• Fluid flow optimization and calculations 
• Pressure drop optimization
• Mechanical power needed to overcome fluid friction
• Heat transfer rate between fluids
• Fluid flow channel sizing and geometry (surface area density)
• Material selection for the coefficient of friction, coefficient of thermal expansion, heat transfer characteristics, and material compatibility

Now, I could rant for days about optimal fin design, methods for joining plates and fins, and even flow-stream mechanical energy losses, but this article is focused on material selection for heat exchanger design. Choosing the right material is critical to the success of your heat exchanger design because making a good choice enhances your design, while the wrong choice can cause it to fail. 

What Impact Does Material Selection Have on Heat Exchanger Performance?

Heat exchanger material should be chosen based on its physical material properties like thermal conductivity, temperature resistance, corrosion resistance, and strength &#; plus non-stable supply chain considerations such as cost and availability. The wrong material can lead to higher cost and longer production times if it&#;s more difficult to machine and weld. 

Material selection has a direct impact on the ability of the heat exchanger to exchange heat from one fluid to another. If you select a poor material, you&#;ll suffer negative impacts on the rate of heat transfer, drops in pressure, and you may even require excess mechanical power. On the other hand, correct material selection for heat exchanger design allows you to optimize performance, efficiency, cost, and potentially find savings in weight or achieve a smaller footprint.

What Material Properties Should You Look for In Heat Exchanger Design?

As mentioned above, these are the properties you should look to optimize when designing a heat exchanger: 

• Thermal Conductivity: Thermal conductivity is the measure of a material&#;s ability to transfer heat. Higher thermal conductivity materials allow more efficient heat transfer, which improves the performance of your design. 
• Temperature Resistance: Temperature resistance is the measure of a material&#;s ability to withstand high temperatures without deformation or compromising strength. 
• Density//Weight: Often, heat exchangers are designed for applications that require lightweight parts or where increases in weight decrease fuel efficiency &#; as with aerospace applications. 
• Corrosion Resistance: Corrosion resistance is the measure of a material&#;s ability to resist corrosion from chemical and environmental conditions and is especially critical if a heat exchanger will be subjected to harsh conditions. 
• Strength: Strength is the measure of a material&#;s ability to resist mechanical forces. Increased mechanical strength is required for applications that contain fluids at high pressure or will be subjected to heavier loads. 
• Cost and Availability: Cost and availability are self explanatory &#; you always want the best functional materials at the lowest cost.

Now, of course, not all materials provide an optimized combination of mechanical properties, cost, and availability &#; you&#;ll have to sacrifice one factor over the others to complete your design. 

Pro-tip: To see how material properties impact CNC machining and how to design for manufacturability, check out our on-demand webinar, DFM for CNC Machining: Minimize the Challenges with Design for CNC Machining. 

The Best Materials for Heat Exchanger Design

The best materials for heat exchanger design are materials with a combination of high thermal conductivity, high temperature resistance, excellent corrosion resistance, good mechanical strength, low cost, and wide availability. 

Copper is the most well-known metal with high electrical conductivity. Copper also has a high thermal conductivity due to its lattice-like atomic structure, which allows efficient energy conduction throughout the material. The number of free electrons in each atom of copper also allows for fast and efficient movement of energy via thermal or electrical conduction. This high thermal conductivity means that heat transfer from the hot to cold fluid will occur as efficiently as possible and with as much speed as possible. 

Copper also provides excellent corrosion resistance, fluid compatibility, and good mechanical strength. Copper comes in many alloys that are generally readily available and relatively inexpensive. In addition, it&#;s relatively easy to machine and weld, making it suitable for multiple manufacturing methods. Copper is especially suitable for tube and shell heat exchangers thanks to its high ductility &#; which allows it to be drawn into thin-walled tubes or extruded into small wires without fracturing.

Stainless steel is known for its high mechanical strength and excellent corrosion resistance, which comes from its naturally occurring, protective oxide layer. Stainless steel also has good thermal conductivity, which is why the material is an optimal choice for heat exchangers that must withstand ultra-high temperatures, high burst pressure, and extremely harsh environments. 

Stainless steel is stronger than aluminum, carbon steel, and copper, and its mechanical strength is preserved at higher temperatures than other common heat exchanger metals. This reduces the potential for distortion or warping over extended exposure to extreme temperatures. Stainless steel is also simple to machine and weld, which makes it easier to fabricate and assemble heat exchangers. 

For most commercial aircraft, various grades of aluminum are the predominant choice for heat exchanger material because it&#;s strong, yet lightweight. It&#;s the most common metal on earth, so it&#;s readily available and cost-effective. Aluminum also has a naturally occurring, protective oxide layer that can be modified to be stronger. Aluminum is ductile enough to be drawn into thin tubes or rolled into thin sheets and formed into fins with complex geometries. Aluminum also has excellent thermal conductivity, though it isn&#;t able to withstand temperatures above a few hundred degrees Fahrenheit. 

Aluminum can be readily brazed with methods like aluminum fluxless vacuum brazing, which creates a strong joint that can withstand the pressure of a heat exchanger. During brazing, the aluminum oxide layer cracks because it&#;s more brittle than the underlying metal. This cracking occurs at high temperatures right before the braze metal melts and fills the gaps between the oxide layer, and a gettering agent is used to prevent the oxides from reforming. While aluminum isn&#;t suitable for all heat exchanger applications, it&#;s generally the first material I would recommend. 

Titanium has only been prominently utilized in manufacturing since the early s. (Though it was discovered in by an English pastor!) Titanium has many excellent material properties that make it suitable for heat exchanger construction &#; it&#;s lightweight, corrosion-resistant, and has good heat transfer properties. I think of titanium as a supercharged cousin of aluminum that provides many of the same valuable material properties, but on a higher scale &#; except for its thermal conductivity, which is lower than aluminum. Still, titanium boasts the highest operating temperature on this list, and that tradeoff may be necessary in some applications. 

Titanium is about 1.5x more dense than aluminum, but its strength is 4-5x higher than aluminum, so using titanium can result in significant weight savings. However, a common misconception is that titanium is lighter weight than aluminum &#; the truth is that you get the same load capacity from less titanium than you get with the same amount of aluminum. This is why many aerospace companies, car manufacturers, and even medical device companies are utilizing titanium more in order to meet requirements to minimize weight and increase strength. 

Comparison of the Best Materials for Heat Exchanger Design

Now that you know the pros and cons of the materials, you can utilize the tables below &#; which have the key data points for each &#; to simplify material selection for your next heat exchanger design: 

Thermal Conductivity (BTU/hr*ft*F)Copper6.95Stainless Steel0.285Aluminum4.14Titanium0.15 Highest Operating Temperature (F)CopperStainless SteelAluminum300Titanium Density (lb/in^3) @ Room Temp (68F)Copper0.323Stainless Steel0.285Aluminum0.098Titanium0.163 Corrosion ResistanceCopperHighStainless SteelHighAluminumModerateTitaniumHigh Tensile Strength (lb/in^2)CopperStainless SteelAluminumTitanium

Key Takeaways: Heat Exchanger Material Selection

1. How do you select a material for a heat exchanger?
   
   Heat exchanger selection should involve a tradeoff between material properties like thermal conductivity, tensile strength, maximum operating temperature, density, and corrosion resistance versus availability and cost. 

2. What is the best material to use for a heat exchanger?
   
   Our recommendations for heat exchanger material are copper, stainless steel, aluminum or titanium.

3. What are the factors for selecting reliable heat exchanger tube materials?
   
   Fluid compatibility, tensile strength, and ductility are all important factors to consider when selecting a material for heat exchanger tubing. 

4. What is the best material for condensing heat exchanger for steam?

Stainless steel is a good choice for handling condensing steam heat exchanger applications because it&#;s corrosion-resistant, resistant to high temperatures, and thermally conductive. 

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