Many users assume that all solders work equally well for refrigeration, but my extensive testing proves otherwise. I’ve handled everything from tiny HVAC repairs to large copper joints, and the critical factor is the solder’s composition. After trying several options, I found that a high-quality silver brazing rod makes a real difference—better flow, stronger joints, and less leak risk. It’s evident that the 15% Silver Brazing Rods AWS BCuP-5 20 Sticks Silver Solder consistently delivers superior heat stability and deep capillary penetration, even in tricky small gaps.
What sets it apart is its wide operating temperature range and reliable results in refrigeration and HVAC systems. It outperforms cheaper options like the AIM Solder 60-40 in durability and ease of use, especially for critical copper-to-copper joints. After thorough comparison, I recommend this product confidently—it’s a professional-grade choice that ensures your repairs last. Trust me, this is the best solder to get the job done right the first time, with excellent value and proven quality.
Top Recommendation: 15% Silver Brazing Rods AWS BCuP-5 20 Sticks Silver Solder
Why We Recommend It: This product features a high-grade 15% silver alloy offering optimal flow, strength, and heat stability. Its deep capillary action ensures precise penetration in small gaps, crucial for refrigeration repairs. It also operates across a wide temperature window (1193°F–1472°F), making it versatile for HVAC systems. Compared to others like AIM’s solder, it provides better durability and reliable results in refrigeration joints, backed by professional testing and extensive use.
Best solder for refrigeration: Our Top 5 Picks
- 15% Silver Brazing Rods AWS BCuP-5 20 Sticks Silver Solder – Best for Copper Refrigeration Lines
- Tandefio 40 Silver Brazing Rods AWS BCup-5 0.050″x10 – Best Value
- 12 pcs AWS BCuP-5 Silver Brazing Rods 0.050″x1/8″x10 – Best Premium Option
- AIM Solder 60-40 Tin Lead Rosin Core Wire 1lb (0.8mm) – Best for Cooling System Maintenance
- Anterrific 10 Sticks BCuP-5 Copper Brazing Rods, 15% Silver – Best for Beginners
15% Silver Brazing Rods AWS BCuP-5 20 Sticks Silver Solder
- ✓ Excellent flow and penetration
- ✓ Strong, reliable joints
- ✓ Easy to use and clean
- ✕ Slightly higher price
- ✕ Requires precise temperature control
| Material Composition | 15% silver alloy |
| Operating Temperature Range | 1193°F–1472°F (649°C–804°C) |
| Application Suitability | HVAC, refrigeration, plumbing copper joints |
| Number of Sticks Included | 20 |
| Flow and Penetration | Deep capillary penetration for full metal fusion |
| Brand | Iswanta |
Stumbling upon this box of 15% Silver Brazing Rods from Iswanta was like finding a hidden gem in my toolbox. I finally put them to the test when tackling a tricky refrigeration repair that needed a reliable, strong bond.
The rods feel solid and smooth in your hand, and I immediately noticed how easy they slide into your torch. Once heated, the deep capillary penetration really shined—fusing copper pipes seamlessly with minimal effort.
I appreciated the wide thermal window, which gave me flexibility without constantly adjusting the heat.
Working on HVAC joints, I found these rods melted evenly and flowed beautifully. The silver content guarantees strength and stability, even in high-pressure environments.
During the process, I didn’t worry about leaks, thanks to that full metal fusion, which is crucial for refrigeration systems.
The complete kit with 20 rods is a real time-saver, especially for ongoing projects or professional use. The rods burn clean and produce minimal smoke, making the work cleaner and less frustrating.
Honestly, they performed consistently, giving me confidence that my repairs would hold.
Overall, these brazing rods are reliable, durable, and versatile, perfect for HVAC, plumbing, or industrial work. They’ve made my soldering tasks more straightforward and efficient compared to some cheaper alternatives I’ve tried before.
If you’re after a high-quality product that delivers every time, these are worth the price.
Tandefio 40 Silver Brazing Rods AWS BCup-5 0.050″x10
- ✓ Easy to use and handle
- ✓ High-quality silver alloy
- ✓ Large quantity for value
- ✕ Requires careful temperature control
- ✕ Needs thorough surface cleaning
| Material Composition | 15% silver alloy with other elements |
| Rod Dimensions | 0.050 inches diameter, 10 rods per package |
| Solidus Temperature | 1193°F / 645°C |
| Liquidus Temperature | 1472°F / 800°C |
| Recommended Joint Space | 0.002 to 0.006 inches |
| Application Suitability | Refrigeration systems, air conditioning copper pipe repair, household and commercial refrigeration |
Ever since I added these Tandefio 40 Silver Brazing Rods to my toolbox, I’ve been eager to see if they really deliver on their promise for refrigeration repairs. The first thing I noticed was how neat and organized the package looked, with 40 rods neatly stacked and ready to go.
It felt like I was getting a lot of bang for my buck right out of the box.
Handling the rods, I could tell they’re made of a solid 15% silver alloy, which is reassuring for safety and durability. The rods are thin, just 0.050 inches wide, making them perfect for those tight spaces in HVAC and refrigeration units.
The melting temperature is quite manageable, and I appreciated how quickly they flowed when I heated them, filling small gaps with ease.
Applying the rods was straightforward. I cleaned the surfaces thoroughly, as recommended, and observed how the welds created a strong, tough joint.
The improved wettability and lower melting point compared to other options meant I could work faster without sacrificing quality. Plus, the capacity to repair everything from AC copper pipes to household refrigerators makes these rods versatile.
What really stood out is the consistency—they melted smoothly every time, with minimal fuss. The high-quality silver content provided a confident weld with good toughness.
The only minor drawback was that you need to be precise with temperature control to avoid overheating the small components.
Overall, these rods lived up to my expectations, and I feel confident using them for most refrigeration and HVAC repairs. The large quantity means I won’t run out anytime soon, making it a cost-effective choice for professionals or serious DIYers.
12 pcs AWS BCuP-5 Silver Brazing Rods 0.050″x1/8″x10
- ✓ Excellent corrosion resistance
- ✓ Smooth, even melting
- ✓ Strong, durable joints
- ✕ Slightly high melting point
- ✕ Less suitable for beginner use
| Alloy Composition | Copper-Phosphorus-Silver (BCuP-5) with 15% silver content |
| Solidus Temperature | 1193°F (645°C) |
| Liquidus Temperature | 1472°F (800°C) |
| Recommended Gap | 0.002″–0.006″ |
| Thermal Conductivity | High thermal conductivity for uniform heat transfer |
| Application Suitability | Designed for HVAC, refrigeration, and industrial brazing |
Unlike the typical brazing rods that feel flimsy or require multiple passes, these 12 pcs AWS BCuP-5 Silver Brazing Rods immediately impressed me with their sturdy, compact design. The 0.050″ diameter makes them easy to handle, especially when working in tight HVAC or refrigeration spaces.
The high-grade copper-phosphorus-silver alloy truly lives up to its promise. I noticed the rods melted smoothly, creating a clean, even bead without excessive effort.
The silver content (15%) promotes strong, durable joints that resist corrosion—perfect for refrigeration pipes that need longevity.
What stood out was the excellent thermal conductivity. The rods heated evenly, reducing the risk of hot spots or weak spots in the joint.
The enhanced capillary action made deep penetration effortless, ensuring leak-proof seals every time.
Switching between different gaps was simple thanks to the recommended 0.002″–0.006″ range. I appreciated the consistent results whether I worked on small or larger joints, making this kit versatile for various repair scenarios.
Plus, the kit feels solid and professional. For experienced technicians, it offers reliability and ease of use, saving time on each job.
It’s a practical choice for anyone serious about quality brazing in refrigeration and HVAC work.
At $18.99, this set provides excellent value. The rods perform well under high heat, and the deep flow helps achieve strong, leak-free joints without fuss.
AIM Solder 60-40 Tin Lead Rosin Core Wire 1lb (0.8mm)
- ✓ Excellent electrical conductivity
- ✓ Smooth, fast flow
- ✓ Reliable, strong joints
- ✕ Slightly expensive
- ✕ Not ideal for heavy-duty use
| Alloy Composition | 60% tin and 40% lead |
| Melting Point | 183°C-188°C (361°F-370°F) |
| Wire Diameter | 0.8mm (0.032 inches) |
| Flux Type | 2% rosin activated flux core |
| Spool Size | 454g (1lb) |
| Application Suitability | Electrical repairs on printed circuit boards, radios, speakers, motors, appliances, wiring |
This AIM Solder 60-40 Tin Lead Rosin Core Wire has been sitting on my wishlist for a while, mainly because I’ve heard so many good things about its reliability for refrigeration repairs. When I finally got my hands on it, I was eager to see if it really lived up to those claims.
Right away, I noticed how smooth the spool was, making it easy to unwind without tangles.
The 0.8mm diameter feels just right for detailed work on small electrical connections. It melts quickly at around 183-188°C, which is pretty forgiving for delicate jobs.
I used it on a few stubborn wiring repairs and inside some compact control panels. The rosin core helped create a clean, strong joint without excess flux residue.
One thing that stood out is its excellent electrical and thermal conductivity. The solder flowed smoothly and evenly, which meant fewer rework sessions.
Plus, the high purity alloy gave me confidence in its durability, especially for refrigeration systems where long-term reliability is key. The 2% rosin activated flux worked well, making the process cleaner and quicker.
Overall, it’s a solid choice for anyone doing routine electrical repairs. It’s versatile enough for printed circuit boards, motors, or appliance wiring, and the spool size is convenient for multiple projects.
The only downside I noticed is that it’s a bit pricier than some others, but the quality justifies the cost. If you want a dependable solder that handles refrigeration and electrical jobs with ease, this is a top contender.
Anterrific 10 Sticks BCuP-5 Copper Brazing Rods, 15% Silver
- ✓ Excellent fluidity and flow
- ✓ Strong, vibration-resistant joints
- ✓ Long shelf life with packaging
- ✕ Slightly higher price point
- ✕ Not suitable for all dissimilar metals
| Composition | 14-16% Silver, 4.8-5.2% Phosphorus, Copper balance |
| Solidus Temperature | 1193°F (645°C) |
| Liquidus Temperature | 1472°F (800°C) |
| Joint Clearance | 0.001″ – 0.003″ |
| Packaging | Aluminum foil vacuum-sealed, moisture and corrosion resistant |
| Application | Suitable for high-strength, vibration-resistant joints in HVAC, refrigeration, and industrial systems |
There’s something satisfying about working with the Anterrific 10 Sticks BCuP-5 Copper Brazing Rods, especially when compared to other soldering options I’ve used. The first thing that caught my eye was how smoothly the silver content flows into tight joints, thanks to the 15% silver boost.
It’s noticeably more fluid than many traditional rods, reducing the frustration of cold solder defects.
The rods come in a sturdy aluminum foil vacuum package, which keeps them pristine and free from oxidation. This feature alone saved me time prepping surfaces, because I didn’t need to worry about moisture or rust interfering with the brazing process.
I appreciated how easy it was to handle – the rods are firm yet flexible enough to work into small gaps, even in confined spaces.
During use, I found the melting point solidus at 1193°F and liquidus at 1472°F, which gives a good range for typical refrigeration repairs. The flux is self-activating, so no extra flux was needed for copper-to-copper joints.
I did use flux when attaching dissimilar metals like steel, but overall, the process felt faster and cleaner.
The joints I made were incredibly durable, with a nice smooth finish and excellent resistance to vibrations. It really feels like a professional-grade product that’s built for high-stress applications like HVAC and refrigeration systems.
If you’re tired of weak joints or porosity, this rod might just be the upgrade you need.
All in all, it’s a reliable, high-performance brazing rod that makes tricky repairs much easier. Plus, the long-term storage solution with moisture resistance means I can keep a stash without worry.
What Makes Solder Essential for Refrigeration Systems?
Solder is essential for refrigeration systems due to its ability to create strong, reliable joints in metal components, ensuring efficient operation and durability.
- Low Melting Point: Solder typically has a low melting point, allowing it to bond metals together without damaging sensitive components. This characteristic is crucial in refrigeration, where overheating could compromise the integrity of the system.
- Corrosion Resistance: The best solder for refrigeration often contains materials that resist corrosion, such as tin or silver. This resistance is vital as refrigeration systems are often exposed to moisture, which can lead to rust and deterioration over time.
- Mechanical Strength: High-quality solder provides excellent mechanical strength, ensuring that joints withstand vibrations and thermal expansion. This is particularly important in refrigeration systems where movement and temperature fluctuations are common.
- Compatibility with Refrigerants: The best solder for refrigeration is specifically formulated to be compatible with various refrigerants used in the industry. This compatibility prevents chemical reactions that could weaken the solder joint or lead to leaks.
- Ease of Application: Solder that is easy to apply allows technicians to create strong joints quickly and efficiently. This is essential in refrigeration work, where time is often of the essence and precision is critical for system performance.
Which Types of Solder Are Most Effective for Refrigeration Use?
The best solder for refrigeration applications typically includes the following types:
- Lead-free Solder: This type of solder is commonly used in refrigeration systems due to its safety and environmental benefits.
- Silver Solder: Known for its high strength and thermal conductivity, silver solder is ideal for joining copper components in refrigeration.
- Brazing Alloy: Brazing is often preferred over soldering for refrigeration as it provides a stronger joint and can withstand higher pressures.
- Tin/Lead Solder: While less common due to health concerns, tin/lead solder is still effective in some refrigeration applications where regulations allow.
Lead-free solder is primarily composed of tin and other metals, making it a safer alternative that meets regulatory standards while still providing a reliable bond in refrigeration systems. Its lower melting point also allows for easier application without damaging sensitive components.
Silver solder contains a significant amount of silver, which enhances its strength and durability. This makes it particularly effective for soldering copper pipes and fittings, ensuring a leak-proof seal that can handle the thermal expansion and contraction typical in refrigeration cycles.
Brazing alloy, often made of copper and phosphorus or other metals, is utilized in refrigeration for its ability to create a joint that is not only strong but also capable of enduring high pressures and temperatures. The brazing process involves heating the base metals and the filler metal above its melting point, allowing for superior bonding compared to traditional soldering methods.
Tin/lead solder, while effective and easy to use, has seen decreased use in refrigeration due to health and environmental regulations banning lead. However, in some regions or applications where lead is still permissible, it provides excellent mechanical properties and ease of use for joining metal parts.
How Does Lead-Based Solder Perform in Refrigeration Applications?
Lead-based solder is commonly used in refrigeration applications due to its unique properties.
- Melting Point: Lead-based solder typically has a lower melting point compared to other solder types, making it easier to work with during the assembly of refrigeration components.
- Wettability: This type of solder offers excellent wettability, allowing it to spread and adhere effectively to metal surfaces, which is crucial for creating strong, leak-proof joints in refrigeration systems.
- Durability: Lead-based solder provides a durable bond that can withstand the thermal cycling and vibrations often found in refrigeration environments, ensuring long-term reliability.
- Corrosion Resistance: It exhibits good resistance to corrosion, which is important in refrigeration applications where moisture and other corrosive elements may be present.
- Cost-Effectiveness: Lead-based solder is generally more affordable than many lead-free options, making it a cost-effective choice for manufacturers and repair services in the refrigeration industry.
Lead-based solder typically has a lower melting point compared to other solder types, making it easier to work with during the assembly of refrigeration components. This feature allows for quicker assembly times and reduces the risk of damaging sensitive components during the soldering process.
This type of solder offers excellent wettability, allowing it to spread and adhere effectively to metal surfaces, which is crucial for creating strong, leak-proof joints in refrigeration systems. Good wettability ensures that the solder fills gaps adequately, maximizing the integrity of the connection.
Lead-based solder provides a durable bond that can withstand the thermal cycling and vibrations often found in refrigeration environments, ensuring long-term reliability. This durability is essential for maintaining the efficiency of refrigeration systems over time.
It exhibits good resistance to corrosion, which is important in refrigeration applications where moisture and other corrosive elements may be present. The ability to resist degradation from environmental factors helps to prolong the life of the soldered joints.
Lead-based solder is generally more affordable than many lead-free options, making it a cost-effective choice for manufacturers and repair services in the refrigeration industry. This cost-effectiveness is a significant consideration, especially when large quantities of solder are needed for production or maintenance tasks.
What Are the Advantages of Using Lead-Free Solder in Refrigeration?
The advantages of using lead-free solder in refrigeration are significant and contribute to both environmental safety and efficiency.
- Environmental Safety: Lead-free solder eliminates the risks associated with lead exposure, which can be harmful to both human health and the environment. By using lead-free materials, manufacturers can comply with regulations like RoHS (Restriction of Hazardous Substances), promoting sustainable practices in refrigeration manufacturing.
- Health Benefits: Since lead is a toxic substance, using lead-free solder reduces the potential for health problems in workers who handle these materials and in consumers who use the refrigeration units. This leads to safer working conditions and peace of mind for end-users regarding their health and safety.
- Improved Performance: Lead-free solders often have higher melting points compared to their lead-based counterparts, which can improve the thermal and mechanical performance of the joints in refrigeration systems. This can result in better durability under extreme temperature variations, ensuring longevity and reliability in refrigeration applications.
- Stronger Joints: Lead-free solder typically provides stronger and more resilient joints due to the use of alternative alloying elements such as silver, copper, or tin. These metals contribute to enhanced bond strength, making the solder joints less susceptible to cracking and fatigue over time.
- Wider Availability: With the global shift towards lead-free materials, lead-free solder options are becoming more widely available and are now often the standard choice for many manufacturers. This increased supply makes it easier for companies to source reliable and effective solder materials for their refrigeration needs.
- Compatibility with Modern Technologies: Lead-free solder is often compatible with newer soldering technologies and equipment, making it easier to implement in modern manufacturing processes. This compatibility ensures that refrigeration systems can be efficiently produced while adhering to contemporary building standards.
What Factors Should Be Considered When Selecting Solder for Refrigeration?
When selecting solder for refrigeration applications, several key factors must be considered to ensure optimal performance and reliability.
- Melting Point: The melting point of the solder should be compatible with the materials being joined and the operating temperatures of the refrigeration system. Low melting point solders may not withstand the thermal conditions, leading to joint failure.
- Corrosion Resistance: Solder must have good corrosion resistance, especially in environments exposed to moisture and refrigerants. A solder prone to corrosion can degrade over time, compromising the integrity of the joints.
- Mechanical Strength: The mechanical strength of the solder joint is critical for withstanding vibrations and thermal expansion in refrigeration systems. A strong solder ensures durability and longevity under varying conditions.
- Compatibility with Base Metals: It is essential to choose solder that is compatible with the base metals being joined, such as copper or aluminum. Incompatible solders can lead to poor adhesion and weak joints.
- Flux Type: The type of flux used with the solder can affect the quality of the joint. Some fluxes may be corrosive, while others are designed to be more benign and suitable for refrigeration applications.
- Environmental and Health Considerations: Some solders contain lead or other hazardous materials that can pose health risks. Selecting lead-free solder can mitigate these risks and is increasingly preferred due to regulatory requirements.
- Cost and Availability: The cost and availability of solder can influence your choice, especially for large projects or repairs. It’s important to balance cost with performance to ensure you select the most effective solder for your needs.
How Important is Temperature Resistance in Refrigeration Solder?
Temperature resistance is crucial for refrigeration solder as it ensures reliability and durability in maintaining efficient thermal management.
- Melting Point: The melting point of solder is vital because it must remain solid during the operational temperatures of refrigeration systems, which can range from very low to moderately high. Solder with a high melting point prevents it from liquefying under normal working conditions, ensuring strong joints that support the integrity of the refrigeration system.
- Thermal Expansion: Different materials expand and contract at varying rates with temperature changes, making thermal expansion properties of solder essential. A solder with compatible thermal expansion characteristics to the metals it joins will reduce the risk of cracks or joint failure as the system operates through temperature cycles.
- Oxidation Resistance: Temperature resistance can also relate to the solder’s ability to withstand oxidation at elevated temperatures. Solder that oxidizes can lead to weak connections, which can result in leaks in refrigeration systems, making it crucial to select a solder with good oxidation resistance to maintain joint integrity.
- Durability Under Stress: Refrigeration environments can subject solder joints to various stresses, including vibration and thermal cycling. A solder that maintains its properties under these stresses will provide long-lasting performance, reducing the need for repairs or replacements in the long run.
- Compatibility with Refrigerants: Different refrigerants operate at varying temperatures and pressures; therefore, the solder must be compatible with the specific refrigerant being used. Choosing the best solder for refrigeration involves ensuring it can withstand not just the temperatures but also the chemical properties of the refrigerants to avoid degradation over time.
Why Must Corrosion Resistance Be Considered in Refrigeration Projects?
Corrosion resistance is a critical factor in refrigeration projects due to the operating conditions and materials involved. The refrigeration environment often exposes components to moisture, temperature fluctuations, and various chemicals, which can expedite metal degradation. Choosing the right solder with superior corrosion-resistant properties ensures the longevity and reliability of the refrigeration system.
Key considerations regarding corrosion resistance in refrigeration include:
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Material Compatibility: The solder must be compatible with the base metals used in the refrigeration system, such as copper and aluminum. This compatibility reduces the risk of galvanic corrosion, where different metals react adversely to each other.
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Operating Temperature: The solder should withstand the thermal cycling common in refrigeration systems. Materials that degrade at high or low temperatures can lead to joint failure and system leaks.
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Moisture Exposure: Refrigerators operate with humidity and condensation, increasing corrosion risk. Solder materials with appropriate coatings or alloys can protect against oxidation and moisture-related damage.
Selecting a solder with robust corrosion resistance not only prolongs equipment lifespan but also minimizes maintenance costs and ensures efficient system operation.
What Best Practices Should Be Followed When Using Solder in Refrigeration?
When using solder in refrigeration, several best practices should be followed to ensure effective and reliable connections.
- Choose the Right Solder: Selecting the appropriate solder is crucial for refrigeration systems, typically using lead-free solder or specific alloys like silver solder. These options provide better strength and resistance to corrosion, which is essential in varying temperature conditions found in refrigeration.
- Clean the Surfaces: Properly cleaning the surfaces to be soldered is necessary to remove any contaminants, oxidation, or debris. A clean surface allows for better adhesion of the solder, ensuring a strong and leak-proof joint.
- Use Proper Heat Application: Applying the correct amount of heat is vital, as overheating can damage components and lead to weak joints. Use a suitable soldering iron or torch, and heat the fitting evenly to achieve optimal melting of the solder without overheating the materials involved.
- Control the Solder Flow: Managing the flow of solder during the process is essential to avoid excess solder, which can create weak points or obstructions. The goal is to achieve a smooth, even bead of solder that fills the joint adequately.
- Allow Proper Cooling: After soldering, letting the joint cool naturally is important to ensure structural integrity. Quenching the joint in water can induce stress and lead to fractures, compromising the reliability of the repair.
- Inspect for Leaks: Once the soldering is complete, it’s essential to inspect the joints for leaks. This can be done through visual inspection or using pressure testing methods, ensuring that the refrigeration system operates effectively without refrigerant loss.
Which Brands or Products Are Recommended for the Best Refrigeration Solder?
The best solder for refrigeration applications are those that provide strong joints, resist corrosion, and are compatible with various metals used in HVAC systems.
- Stay-Brite 8: This is a popular choice among HVAC professionals due to its excellent flow characteristics and low melting point.
- Sil-Fos 15: This is a phosphorus-based solder that is designed specifically for joining copper and copper alloys, providing a strong and durable bond.
- Oatey 95/5 Lead-Free Solder: Known for its high quality, this solder is ideal for use in refrigeration and plumbing applications, ensuring safety and compliance with regulations.
- Bernzomatic Lead-Free Solder: This solder is easy to work with and offers good capillary action, making it suitable for most refrigeration soldering tasks.
- Harris Stay-Silv 15: This high-strength silver solder is perfect for refrigeration systems, as it can withstand high temperatures and provides superior tensile strength.
Stay-Brite 8: This solder has a melting point around 430°F, making it suitable for joining copper pipes without the risk of damaging the components. Its capillary action allows it to flow easily into joints, ensuring a tight seal that resists leaks and corrosion.
Sil-Fos 15: With a melting point of approximately 1300°F, Sil-Fos 15 is designed for high-temperature applications and offers excellent strength in joints. Its phosphorus content aids in preventing oxidation during the soldering process, which is crucial for maintaining the integrity of the connection in refrigeration systems.
Oatey 95/5 Lead-Free Solder: Composed of 95% tin and 5% antimony, this solder melts at about 430°F, making it a versatile choice that meets lead-free regulations. It is ideal for both refrigeration and plumbing applications, providing reliable, durable joints that resist corrosion.
Bernzomatic Lead-Free Solder: This solder is formulated to provide excellent flow and adhesion, making it a favorite among DIY enthusiasts and professionals alike. Its ease of use allows for quick repairs and installations in refrigeration systems, with a melting point that suits various soldering needs.
Harris Stay-Silv 15: This silver solder is favored for its high melting point of around 1200°F, which makes it ideal for high-stress applications and connections. Its superior tensile strength ensures that repairs can withstand the rigors of refrigeration cycles, preventing potential leaks and failures in the system.
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