For years, flux core wire welders often lacked the reliable arc stability and ease of use needed for real-world jobs, which is why discovering the YESWELDER E71T-GS Flux Core MIG Wire .030 2lb Spool was a game-changer for me. I’ve tested it on rusted steel and uneven surfaces, and it just flows smoothly, with low spatter and full slag removal, making welding less messy and more confident. Its advanced core design and deoxidizing agents ensure clean, strong welds even in outdoor, windy conditions.
After comparing it against others like the ARCCAPTAIN and WelderElite options, the YESWELDER’s durability—especially that tough ABS spool—and superb arc stabilization really stand out. While the 10lb version offers more material for bigger projects, the smaller 2lb spool is perfect for quick fixes. I wholeheartedly recommend it for pros and DIYers alike who want a dependable, high-performance flux core wire that truly delivers on its promises.
Top Recommendation: YESWELDER E71T-GS Flux Core MIG Wire .035 10lb Spool
Why We Recommend It: This product excels due to its advanced core design, which stabilizes the arc and reduces spatter. Its full slag formation makes cleanup simple, and the deoxidizing agents ensure reliable welds in light rust or mill scale. The 10lb spool on a durable ABS plastic reel offers excellent wear resistance, while its versatility for all-position welding makes it ideal for construction, auto repair, and heavy-duty projects.
Best flux core wire welder: Our Top 5 Picks
- YESWELDER E71T-GS Flux Core MIG Wire .030 2lb Spool – Best affordable flux core wire welder
- ARCCAPTAIN Flux Core Welding Wire .030 E71T-GS 2lb Spool – Best portable flux core wire welder
- YESWELDER E71T-GS Flux Core MIG Wire .035 10lb Spool – Best professional flux core wire welder
- WelderElite 2-Pack 0.030″ Gasless Flux Core Wire 2lb E71T-GS – Best compact flux core wire welder
- YESWELDER E71T-GS Flux Core MIG Wire, .035″, 2 lb Spool – Best for beginners
YESWELDER E71T-GS Flux Core MIG Wire .030 2lb Spool
- ✓ Smooth feeding, no jams
- ✓ Excellent outdoor performance
- ✓ Clean, low-spatter welds
- ✕ Slightly more expensive
- ✕ Limited to 2-pound spool
| Wire Diameter | .030 inches (0.8 mm) |
| Spool Weight | 2 pounds |
| Material Compatibility | Carbon steel, low-alloy structural steel |
| Shielding Type | Self-shielding flux core |
| Core Design | Advanced for arc stabilization and high feedability |
| Spool Material | Durable ABS plastic |
The first time I loaded this spool into my welder, I was surprised at how smoothly the wire unwound without any snags or tangles. I expected some feeding issues, but it glided effortlessly, which instantly boosted my confidence.
This .030-inch wire feels sturdy yet flexible, making it easy to maneuver during different weld positions. I especially appreciated how it handled light rust and mill scale without sputtering or losing arc stability.
It’s clear the advanced core design really helps keep the welds clean and consistent.
Welding outdoors in windy conditions was a breeze, thanks to its self-shielding feature. No need to fuss with external gas, which saves time and reduces setup complexity.
The slag forms well and peels off easily, leaving a nice, smooth bead every time.
Whether I was doing vertical or flat welds, this wire maintained excellent feedability. It produces very little spatter, which means less cleanup afterward.
I also tested it on different metals, including low-alloy steel, and it performed reliably across the board.
The spool itself is durable—made from tough ABS plastic—and holds up well during transport and use. The compact 2-pound size is perfect for small projects and keeps everything manageable without excessive waste.
Overall, this wire really delivers on its promises of versatility and ease of use.
ARCCAPTAIN Flux Core Welding Wire .030 E71T-GS 2lb Spool
- ✓ Smooth arc with low splatter
- ✓ No shielding gas needed
- ✓ Works well outdoors
- ✕ Limited spool size for large jobs
- ✕ Slightly more expensive than basics
| Wire Diameter | .030 inches (0.8 mm) |
| Net Weight | 2 pounds (0.91 kg) per spool |
| Welding Position | All positions (flat, horizontal, vertical, overhead) |
| Shielding Method | Self-shielded flux-cored (gasless) |
| Material Compatibility | Rusty, dirty, painted, and oil-contaminated materials |
| Standards and Testing | Passed TÜV certification |
When I first unboxed the ARCCAPTAIN Flux Core Welding Wire, I was struck by how compact and sturdy the spool felt in my hands. The black plastic spool with its clear labeling gave me confidence right away.
Installing it was straightforward—no fuss, no mess—and I appreciated the smooth feed right from the start.
As I began welding, the real magic revealed itself. The arc was consistently smooth, with minimal splatter, which is a huge plus for clean, professional-looking welds.
I tested it on rusty and painted steel, and it handled both without any issues. The flux core filled in gaps nicely, producing strong, neat welds even on tricky joints like T-joints and lap welds.
The fact that it’s gasless makes outdoor work so much easier. No need to juggle gas bottles or worry about wind ruining the shield.
Plus, the wire’s resistance to oil and dirt means I don’t have to prep the surface perfectly, saving me time. The vacuum-sealed packaging kept it dry and ready to use, which is a thoughtful touch.
Overall, I found this wire to be reliable and consistent, perfect for a range of projects from hobbyist to professional. It’s a solid choice if you want quality without breaking the bank.
The only minor downside is that it’s a 2-pound spool, so for big projects, you might need multiple rolls.
YESWELDER E71T-GS Flux Core MIG Wire .035 10lb Spool
- ✓ Excellent arc stabilization
- ✓ Low spatter, easy cleanup
- ✓ Self-shielding for outdoor use
- ✕ Slightly more expensive than basic wires
- ✕ Not suitable for thin metal sheets
| Wire Diameter | .035 inches (0.9 mm) |
| Wire Type | Self-shielding flux-cored wire (E71T-GS) |
| Spool Weight | 10 pounds |
| Material Compatibility | Carbon steel, low-alloy structural steel |
| Application Suitability | All-position welding, outdoor windy conditions, construction, automotive repair, metal fabrication |
| Spool Material | Durable ABS plastic |
You’re outside, battling a gusty wind while trying to weld a small frame. The YESWELDER E71T-GS flux core wire spool in your hand feels surprisingly lightweight yet sturdy, thanks to its tough ABS plastic spool.
As you start feeding the wire into your MIG welder, you notice how smoothly it flows without snagging, even with the breeze tugging at your workpiece.
The advanced core design really shines here. It stabilizes the arc effortlessly, giving you clean, even welds without a lot of spatter.
You’re impressed by how little cleanup is needed afterward—just a quick slag removal and your weld looks great. The deoxidizing agents in the wire do their job well, even when welding through some rust on the metal.
Whether you’re working on a vertical joint or a flat surface, this wire handles all positions like a champ. Its self-shielding feature means you don’t need external gas, which is perfect for outdoor projects or on-site repairs.
Plus, the 10-pound spool lasts longer than you expected, making it a solid choice for bigger jobs or frequent use.
Overall, this wire makes outdoor welding less stressful. Its ease of use and consistent results save you time and frustration, especially when working in less-than-ideal conditions.
It’s a reliable addition to your welding kit, especially if you want a versatile, no-fuss flux core wire that performs well across various projects.
WelderElite 2-Pack 0.030″ Gasless Flux Core Wire 2lb E71T-GS
- ✓ Smooth, stable arc
- ✓ Minimal spatter
- ✓ Easy to use straight out of the box
- ✕ Rust may form on stainless welds
- ✕ Not ideal for thick materials
| Wire Diameter | 0.030 inches (0.76 mm) |
| Wire Type | Gasless Flux Core (E71T-GS) |
| Package Weight | 2 pounds per spool, 4 pounds total |
| Material Compatibility | Galvanized steel, stainless steel, mild steel |
| Welding Position Compatibility | All positions |
| Standards and Quality | Manufactured according to industry standards |
There’s a common misconception that gasless flux core wires like the WelderElite 2-Pack are just for quick, rough repairs and never produce neat welds.
After putting this wire through its paces, I found that couldn’t be further from the truth. The E71T-GS 0.030″ wire actually offers a surprisingly clean and stable weld, even in tight spaces or tricky positions.
The spool feels solid and well-made, with minimal tangling or feed issues. I appreciated how smoothly it fed through my MIG welder, thanks to its high-quality materials and precision manufacturing.
Welding on galvanized steel and mild steel was straightforward. The arc stayed stable, and the spatter was minimal, which meant less cleanup afterward.
For stainless steel, I’d recommend surface prep to prevent rust over time, but it still welded nicely.
One thing I liked is how ready-to-use it is straight out of the box. No fuss with gas cylinders, just load it up and start welding.
The 2-pound spools are perfect for small projects, but the double pack gives you enough for bigger tasks without running out.
Overall, this wire feels versatile and reliable, whether you’re a DIY hobbyist or a professional. It handles multiple passes well and produces neat, pore-free welds that look good and hold strong.
For the price, it’s a solid choice that offers good value and broad compatibility. Just remember, for stainless steel projects, a little surface prep helps prolong the weld’s appearance.
YESWELDER E71T-GS Flux Core MIG Wire, .035″, 2 lb Spool
- ✓ Excellent arc stability
- ✓ Low spatter production
- ✓ Self-shielding for outdoor use
- ✕ Not ideal for heavy-duty welding
- ✕ Limited to .035” diameter
| Wire Diameter | .035 inches (0.9 mm) |
| Spool Weight | 2 pounds |
| Wire Type | E71T-GS flux-cored self-shielding wire |
| Material Compatibility | Carbon steel, low-alloy structural steel |
| Spool Material | ABS plastic, durable and anti-fragile |
| Application Suitability | All-position welding, outdoor windy conditions, construction, automotive repair, metal fabrication |
Right out of the box, the YESWELDER E71T-GS flux core wire catches your eye with its sleek, compact spool wrapped in sturdy ABS plastic. It feels surprisingly lightweight for a 2-pound spool, yet the construction screams durability.
As I loaded it into my welder, I immediately noticed how smoothly the wire unwinds—no tangles or snags, which is a huge plus for fast-paced projects.
The .035” diameter is versatile and easy to handle, perfect for various welding tasks. I tested it on light rusted steel and was impressed by how clean the arc stayed, even without external shielding gas.
The advanced core design really stabilizes the arc, resulting in minimal spatter and a nice, smooth bead. It’s so effortless to use, I felt confident tackling vertical and corner welds right away.
What really stands out is how well it manages outdoor conditions. No wind interference, and no need for extra gas, making it super portable.
The deoxidizing agents in the core do a fantastic job at keeping the welds clean, which saves you time on grinding and cleanup. Plus, the full slag formation is easy to remove, leaving a neat, professional-looking weld.
Overall, this wire feels like a reliable partner for welding projects—whether you’re repairing a fence, fabricating a frame, or doing some automotive work. It’s an affordable choice that doesn’t compromise on performance.
The only thing I’d note is that it’s best suited for general use and less for thick, structural welds where heavier duty wire might be needed.
What Is a Flux Core Wire Welder and How Does It Work?
A flux core wire welder is a type of welding machine that uses a tubular wire filled with flux to create a weld. Unlike traditional welding methods that require a separate shielding gas, flux core welding produces its own gas through the chemical reaction of the flux when the wire is heated. This makes it particularly suitable for outdoor or windy conditions where shielding gas could be blown away, providing a more versatile option for various welding applications.
According to the American Welding Society (AWS), flux-cored arc welding (FCAW) is a common process used in industrial applications, particularly in construction and manufacturing because of its efficiency and ease of use. This welding method typically involves a continuous feeding wire that not only acts as an electrode but also produces a shielding gas when heated, protecting the molten weld pool from atmospheric contamination.
Key aspects of a flux core wire welder include its design, ease of operation, and the versatility of the wire types available. Flux core wires can be categorized into two main types: self-shielded and gas-shielded. Self-shielded wires do not require external shielding gas, making them ideal for outdoor use. In contrast, gas-shielded wires require a mixed gas environment, resulting in cleaner welds. Additionally, the welder’s power settings and wire feed speed can be adjusted to accommodate various thicknesses of materials, enhancing its practicality for different projects.
The impact of using a flux core wire welder is significant in terms of both productivity and cost-effectiveness. For example, the process can be completed much faster than traditional welding techniques, allowing for quicker project turnaround times. Furthermore, flux core welding is known for its ability to weld thicker materials, making it preferred in heavy-duty applications such as shipbuilding and structural steel construction. Statistics suggest that FCAW can increase productivity by up to 30% compared to standard MIG welding due to its high deposition rate.
Benefits of using a flux core wire welder include its adaptability to various environments, the simplicity of setup, and the ability to produce strong, durable welds without the need for additional equipment like gas tanks. This makes it an attractive option for both professional welders and hobbyists. Moreover, flux core welding is often more forgiving of surface contaminants, allowing for effective welding even on rusted or dirty surfaces.
To achieve the best results with a flux core wire welder, it is essential to follow best practices such as maintaining a clean work area, selecting the appropriate wire and voltage settings, and ensuring proper technique during the welding process. Regular maintenance of the welder and practice in controlling the wire feed speed and angle can also enhance the quality of the welds produced. Additionally, investing in high-quality flux core wire can lead to improved performance and results.
What Are the Key Advantages of Using a Flux Core Wire Welder?
The key advantages of using a flux core wire welder include:
- Portability: Flux core wire welders are typically lightweight and easy to transport, making them ideal for on-site jobs or projects in remote locations.
- Versatility: These welders can be used on various materials, including steel, stainless steel, and even some types of aluminum, allowing for a wide range of applications.
- Less Sensitivity to Wind: Unlike traditional MIG welding, flux core welding is less affected by wind, making it suitable for outdoor welding tasks.
- Speed: Flux core welding processes are generally faster than other welding methods due to the continuous feeding of the wire, which can enhance productivity.
- No Need for Gas: Flux core welders can operate without shielding gas, which not only reduces costs but also simplifies the setup and makes them more suitable for outdoor use.
- Deep Penetration: The flux core wire provides excellent penetration, making it effective for thicker materials and ensuring strong welds.
Portability is a significant advantage of flux core wire welders, as their lighter weight and compact design allow welders to easily carry them to different job sites without much hassle. This feature is particularly beneficial for professionals who work in various locations or need to perform repairs in hard-to-reach areas.
Versatility is another key benefit, as flux core wire welders can handle a variety of metals and thicknesses. This adaptability makes them an excellent choice for both hobbyists and professionals who need a single machine to tackle multiple welding tasks.
The reduced sensitivity to wind is particularly advantageous when working outdoors, where gas shielding could be disrupted. Flux core welding offers a reliable solution for outdoor projects, ensuring consistent weld quality even in less-than-ideal conditions.
Speed is a crucial aspect of flux core welding, as the continuous wire feed allows for quicker welds compared to other methods. This efficiency can lead to significant time savings, especially in high-volume production environments.
Another advantage is the elimination of the need for external shielding gas, which not only cuts costs but also simplifies the welding process. This feature makes flux core welders accessible to beginners and convenient for seasoned welders who prefer a streamlined setup.
Finally, the deep penetration capability of flux core welding provides strong, durable welds, especially when working with thicker materials. This strength is essential in many applications, including construction and heavy manufacturing, where structural integrity is paramount.
Which Features Should You Prioritize When Selecting a Flux Core Wire Welder?
When selecting the best flux core wire welder, you should prioritize the following features:
- Welding Power Range: A welder’s power range is crucial for its versatility and ability to handle different metal thicknesses. Look for a unit that provides a sufficient amperage range to accommodate both thin and thick materials, ensuring you can tackle a variety of projects effectively.
- Wire Feed Speed Control: Adjustable wire feed speed allows for better control over the welding process, which is essential for achieving clean, strong welds. A welder with a precise feed speed adjustment will enable you to fine-tune your settings based on the material and position of your work.
- Portability: If you plan to use the welder in different locations, consider its weight and design. A lightweight, portable welder with a sturdy handle or wheels can make it easier to transport and set up in various work environments.
- Duty Cycle: The duty cycle indicates how long a welder can operate before it needs to cool down. A higher duty cycle is beneficial for prolonged welding sessions, allowing you to work continuously without interruptions, which is especially important for larger fabrication projects.
- Ease of Setup and Operation: A welder that is user-friendly and easy to set up will save you time and frustration. Look for models with clear instructions, intuitive controls, and minimal assembly requirements to get you started quickly.
- Safety Features: Safety should always be a priority when working with welding equipment. Ensure the welder includes features such as thermal overload protection, a safety shut-off, and an adequate grounding system to help prevent accidents and equipment damage.
- Cost and Warranty: Evaluate your budget and seek a welder that offers good value for money. Additionally, a solid warranty can provide peace of mind, indicating the manufacturer’s confidence in their product and covering potential defects.
How Does Power and Amperage Impact Welding Quality?
Power and amperage significantly influence welding quality in various ways:
- Amperage Settings: The amperage setting on a welder determines the amount of heat generated during the welding process. Higher amperage can produce deeper weld penetration, which is beneficial for thicker materials, whereas lower amperage is suitable for thinner materials to prevent burn-through.
- Voltage Control: Voltage settings affect the arc length and stability of the weld. A higher voltage increases the arc length, which can lead to a wider bead but may also cause instability, while a lower voltage results in a narrower bead, offering more control for precision welding.
- Heat Input: The overall heat input, which is a combination of amperage and travel speed, impacts the weld’s thermal cycle. Proper heat input is essential to avoid issues such as warping or insufficient fusion, ensuring a strong and consistent weld.
- Material Thickness: The thickness of the materials being welded dictates the required power and amperage settings. Thicker materials require higher power and amperage to achieve adequate penetration, while thinner materials require careful adjustments to prevent damage.
- Wire Feed Speed: In flux core welding, the wire feed speed works in conjunction with amperage to create a stable arc. An appropriate wire feed speed ensures that the right amount of filler metal is deposited, which is crucial for maintaining weld quality.
Why Is Portability Important in a Flux Core Wire Welder?
Portability in a flux core wire welder is a critical factor that impacts usability and convenience for users. Here are key reasons why portability matters:
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Job Flexibility: A lightweight and compact welder allows users to easily transport it to various job sites, whether working in a garage, outdoors, or at different locations. This flexibility is essential for mobile welding services or projects requiring multiple setups.
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Space Efficiency: Many enthusiasts and professionals do not have dedicated spaces for welding. A portable welder can be tucked away when not in use, making it suitable for users with limited workshop space.
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Ease of Setup: Moving a welder from one location to another should not be cumbersome. A portable model typically features easy-to-carry handles and may come with built-in wheels, reducing setup time and making it easier to switch work locations quickly.
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Versatility: Portable welders are often equipped to handle different material thicknesses and types, making them suitable for a wide variety of projects, from home repairs to automotive work.
These features make portability an essential consideration when selecting the best flux core wire welder, ensuring that users can operate effectively in diverse environments.
What Duty Cycle Ratings Should You Look For?
When choosing the best flux core wire welder, it’s important to consider several duty cycle ratings to ensure optimal performance.
- 60% Duty Cycle: This rating means that the welder can operate for 6 minutes continuously at maximum output, followed by 4 minutes of cooling. It is suitable for light to medium welding tasks and is commonly found in hobbyist welders.
- 80% Duty Cycle: A welder with an 80% duty cycle can run for 8 minutes at maximum output before requiring 2 minutes of downtime. This is ideal for more frequent welding jobs, providing a good balance of efficiency and performance for DIY projects.
- 100% Duty Cycle: Welders rated for a 100% duty cycle can operate continuously without any rest period, making them perfect for heavy-duty tasks or professional use. They are typically more powerful and suited for industrial applications, ensuring consistent performance over extended periods.
- Under 60% Duty Cycle: Welders with a duty cycle below 60% are generally more suited for very light tasks or occasional use. They may overheat quickly and are not ideal for projects requiring prolonged welding sessions.
- Variable Duty Cycles: Some advanced models offer adjustable duty cycles, allowing the user to optimize the welder’s performance based on specific needs. This flexibility can help manage the heat generated during welding and prolong the lifespan of the machine.
Which Are the Most Reliable Brands of Flux Core Wire Welders?
The most reliable brands of flux core wire welders are known for their quality, performance, and durability.
- Hobart: Hobart is recognized for producing high-quality welding equipment, and their flux core welders are no exception. They offer models that are user-friendly and suitable for both beginners and seasoned welders, emphasizing reliability and excellent arc stability.
- Miller Electric: Miller Electric is a leader in the welding industry, known for their innovative technology and robust designs. Their flux core wire welders provide exceptional performance and versatility, making them ideal for various welding applications, including construction and automotive repair.
- Lincoln Electric: Lincoln Electric has a longstanding reputation for creating reliable welding machines, and their flux core welders are highly regarded among professionals. They are designed to handle tough working conditions and offer excellent weld penetration and bead appearance.
- Eastwood: Eastwood is popular among DIY enthusiasts and hobbyists, offering affordable yet reliable flux core welders. Their machines are designed for ease of use, making them a great choice for those new to welding while still providing quality results.
- Forney: Forney provides a range of flux core welders that are well-suited for light to medium welding tasks. They are known for their portability and ease of setup, making them a practical option for home workshops and job sites alike.
What Common Mistakes Should You Avoid When Welding with a Flux Core Machine?
When using a flux core machine, avoiding common mistakes can significantly improve your welding quality and efficiency.
- Incorrect Wire Selection: Choosing the wrong type of flux core wire can lead to poor weld quality. The wire must match the base material and the welding position; for instance, some wires are designed for specific metals or thicknesses, which can affect penetration and strength.
- Improper Voltage and Amperage Settings: Setting the wrong voltage or amperage can cause issues like burn-through or insufficient penetration. It is crucial to adjust these settings according to the thickness of the material and the type of wire being used to ensure optimal performance.
- Inadequate Preparation of Work Surface: Failing to clean the work surface can lead to contamination and weak welds. Surface contaminants like rust, paint, or oil can interfere with the welding process, resulting in poor adhesion and structural integrity.
- Welding at Incorrect Speed: Moving the welding gun too quickly or too slowly can cause defects in the weld bead. A consistent travel speed allows for proper heat distribution, which is essential for achieving a strong and uniform weld.
- Neglecting Safety Gear: Skipping essential safety equipment, such as a welding helmet or gloves, can lead to serious injuries. Protective gear shields against harmful UV rays, sparks, and heat, ensuring a safer working environment.
- Overlooking Gas Shielding Needs: While flux core welding typically does not require external shielding gas, certain applications may benefit from it. Not understanding when to use gas can affect the weld’s characteristics, especially in outdoor settings where wind can disperse the shielding effect.
- Ignoring Proper Technique: Utilizing incorrect welding techniques can result in weak joints or excessive spatter. It is vital to maintain the appropriate angle and distance of the welding gun relative to the workpiece to achieve the best results.
How Can You Extend the Life of Your Flux Core Wire Welder?
To extend the life of your flux core wire welder, consider the following practices:
- Regular Cleaning: Keeping your welder clean prevents dust and debris from affecting its performance and longevity.
- Proper Storage: Store your welder in a dry, temperature-controlled environment to protect it from moisture and extreme temperatures.
- Routine Maintenance: Regularly check and replace worn components such as contact tips and liners to maintain optimal performance.
- Use Quality Consumables: Investing in high-quality flux core wire and related consumables can lead to better welds and reduce wear on the welder.
- Correct Settings: Using the appropriate voltage and wire feed speed settings for the material being welded prevents overheating and excessive wear.
- Cooling Periods: Allow the welder to cool down during extended use to prevent overheating, which can damage internal components.
Regular cleaning of the welder helps to ensure that it operates efficiently by removing any buildup that could interfere with its functions. This includes cleaning the exterior and checking for any internal debris that might affect performance.
Proper storage is crucial for prolonging the life of your welder. By keeping it in a dry and stable environment, you minimize the risk of rust and corrosion that can arise from moisture or drastic temperature changes.
Routine maintenance includes inspecting various components for wear and tear. By regularly replacing items like contact tips and liners, you can maintain the quality of your welds and prevent further damage to the welder.
Using quality consumables means opting for premium flux core wire and other necessary supplies, which can enhance performance and reduce the chances of malfunction. This ensures that the welder operates efficiently, leading to less stress on its components.
Setting the correct voltage and wire feed speed is essential for achieving the best results while minimizing the risk of overheating. Operating outside of the recommended settings can lead to increased wear on the welder and subpar weld quality.
Incorporating cooling periods during extended use allows the welder to dissipate heat, preventing overheating that can cause irreversible damage to sensitive internal components. This simple practice can significantly extend the welder’s functional lifespan.
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