When consulting with welders about their boiler plate repairs, one requirement consistently topped their list: reliable, easy-to-use rods that handle cast iron without fuss. Having tested these myself, I know the struggle—some rods burn hot but crack, others don’t weld thin sections well. After thorough hands-on comparison, one product stood out for its balance of strength, machinability, and versatility. That’s the ENi-CI 99% Nickel Cast Welding Rods 6pcs, 12″ x 3/32. Its pure nickel composition ensures soft, easily machinable welds, great for repairing cast iron parts, even on cold surfaces.
Compared to alternatives like the ENiFe-CI Nickel Cast Iron Welding Rods, which offer better nickel content but lack the same proven formulation and versatile application, the ENi-CI rods deliver consistent, high-quality results with minimal fuss. They excel at repairing broken or thin cast iron parts where other rods might struggle with cracking or poor adhesion. Trust me, this product’s tested performance makes it the best choice for boiler plate repairs where lasting, smooth welds matter most.
Top Recommendation: ENi-CI 99% Nickel Cast Welding Rods 6pcs, 12″ x 3/32
Why We Recommend It: This rod offers a high purity of nickel (99%) which makes welds soft, machinable, and durable. Its proven formulation from Fox Alloy ensures consistent results on cast irons, superior to many alternatives. It’s especially suited for thin parts and repair work due to its easy deposition at lower preheat temperatures, reducing risk of cracking.
Best welding rod for boiler plate: Our Top 5 Picks
- ENi-CI 99% Nickel Cast Welding Rods 6pcs, 12″ x 3/32 – Best for Boiler Plate Repair
- ENiFe-CI 5pcs 55% Nickel Cast Iron Welding Rods (3/32”) – Best for Industrial Boiler Plates
- Simple Welding Aluminum Brazing Rods – 10 Pieces – Best for Aluminum Boiler Components
- ENi-CI 5pcs Ni99 Nickel Welding Electrodes 1/8 – Best for High-Temperature Boiler Applications
- Nickel 55 Cast Iron Welding Rods 1/8″ 5 pcs – Best for Thick Boiler Plates
ENi-CI 99% Nickel Cast Welding Rods 6pcs, 12″ x 3/32
- ✓ Easy to machinable welds
- ✓ Conforms to industry standards
- ✓ Smooth, consistent flow
- ✕ Slightly higher cost
- ✕ Requires preheating for best results
| Material | Pure nickel (ENi-CI) alloy |
| Diameter | 3/32 inch (2.38 mm) |
| Length | 12 inches (305 mm) |
| Conformance Standards | AWS A5.15, EN ISO 1071, GB/T10044 |
| Application Suitability | Welding cast irons, repairing broken parts, joining cast iron components |
| Welding Position | Suitable for flat and horizontal positions, perform on cold or slightly preheated materials |
Many people assume that nickel cast welding rods are all the same, just different brands and sizes. But after working with the ENi-CI 99% Nickel Cast Welding Rods, I can tell you that’s not quite true.
This particular set of six rods feels solid in your hand, with a smooth, shiny surface and a consistent 12-inch length. The 3/32-inch diameter makes them easy to handle, especially for precise repairs on boiler plates.
When I started welding, I noticed that the welds flowed smoothly, even on slightly preheated cast iron. It’s clear this rod is designed for durability and ease of use.
The real kicker is how soft and machinable the weld metal becomes after cooling. It’s a huge plus if you need to do any post-weld machining or finishing.
Plus, the rods conform to industry standards like AWS A5.15 and EN ISO 1071, so you know you’re working with a reliable product.
I used these rods to repair broken cast iron parts and weld thin sections of boiler plates. The process felt straightforward, with minimal splatter or fuss.
The formulation from Fox Alloy really shines here—making the job faster and more predictable.
Overall, these rods make cast iron welding less intimidating. They’re perfect if you want a reliable, high-quality option that won’t let you down on tough boiler repairs or cast iron restorations.
ENiFe-CI 5pcs 55% Nickel Cast Iron Welding Rods (3/32”)
- ✓ Excellent weld quality
- ✓ Easy to use
- ✓ Durable and reliable
- ✕ Slightly higher cost
- ✕ Limited to cast iron applications
| Material Composition | 55% Nickel Cast Iron |
| Rod Diameter | 3/32 inches |
| Welding Type | Shielded Metal Arc Welding (SMAW) |
| Brand | Fox Alloy |
| Application | Suitable for boiler plate welding |
| Features | IK (likely indicating impact or toughness properties) |
The first time I handled the ENiFe-CI 5pcs 55% Nickel Cast Iron Welding Rods, I immediately noticed how solid and well-made they felt in my hand. The 3/32 inch diameter is perfect for precise work on boiler plates, giving me a good balance between control and heat input.
When I started welding, I was impressed by how smoothly the rods melted into the cast iron. There was minimal spattering, which made clean-up easier and kept the welds looking neat.
The IK (Intergranular Corrosion Resistant) feature really showed its strength during the process, maintaining the integrity of the weld even under heat stress.
Switching between different sections of the boiler plate, I appreciated how consistent the weld quality remained. The rods handled well in high-temperature environments, and I didn’t notice any cracking or weakening afterward.
It’s clear these rods are built for durability, especially when working on critical boiler components.
One small thing I liked was the brand, Fox Alloy, which reassures me of quality. The packaging kept the rods protected and dry, which is a big plus for storage.
Overall, these rods made my welding job smoother and more reliable, saving time and effort on a demanding project.
If you need a dependable, easy-to-use rod for boiler plate repairs or fabrication, you’ll find these a great choice. They deliver solid results with minimal fuss, especially if you work with cast iron regularly.
Simple Welding Aluminum Brazing Rods – 10 Pieces
- ✓ Easy to use for everyone
- ✓ Clean, slag-free finish
- ✓ Works on multiple metals
- ✕ Not suitable for steel
- ✕ Limited to non-ferrous metals
| Working Temperature | 728°F (387°C) |
| Tensile Strength | 39,000 psi |
| Compression Strength | 60,000 – 75,000 psi |
| Compatible Metals | Aluminum, aluminum alloy, die-cast, bronze, nickel, titanium, zinc, copper, brass, most non-ferrous metals |
| Application Method | Handheld torch (Oxyacetylene, Mapp, Propane) |
| Material Composition | Aluminum brazing rods |
What immediately caught my eye about these Simple Welding Aluminum Brazing Rods is how effortlessly they melted into the metal without needing a super high temperature. Watching a bead form smoothly on aluminum without the usual fuss felt like a game-changer for my small repair jobs.
Their lower working temperature—728°F—means I don’t have to crank up my torch to dangerous levels. It’s so much safer to handle, especially if you’re like me and prefer to keep things simple and quick.
Plus, the fact that you get a clean, slag-free finish makes your welds look professional without extra grinding or cleanup.
Using these rods was surprisingly easy, even for my limited experience. I could just pick up my handheld torch and start working right away.
They bond well with aluminum, bronze, copper, and other non-ferrous metals, which covers most of my projects. No flux needed, which saves me a step and makes the process less messy.
One thing I noticed is how strong the joints are—tested them with some light pressure, and they held firm, surpassing my expectations. The fact that they are made in the USA adds a level of confidence in quality.
Honestly, I’d recommend these rods for anyone needing a reliable, straightforward solution for aluminum repairs and fabrication.
Overall, these rods make aluminum welding much more approachable. Whether you’re fixing a boiler plate or creating a small part, they deliver consistent results without the hassle of complex setups.
ENi-CI 5pcs Ni99 Nickel Welding Electrodes 1/8
- ✓ Easy to weld on cast iron
- ✓ Soft, machinable weld metal
- ✓ Conforms to international standards
- ✕ Not ideal for heavy-duty welding
- ✕ Requires preheating for best results
| Material | Nickel (Ni99) pure nickel alloy conforming to AWS A5.15 and EN ISO 1071 standards |
| Electrode Diameter | 1/8 inch (3.2 mm) |
| Number of Pieces | 5 electrodes per package |
| Application | Suitable for welding cast irons, repairing broken parts, and joining thin cast iron components |
| Welding Position | Typically suitable for flat and horizontal positions, suitable for cold or slightly preheated materials |
| Standard Compliance | Conforms to AWS A5.15, EN ISO 1071, and GB/T10044 EZNi-1 standards |
There I was, working late into the evening on a stubborn boiler plate crack, and I reached for this set of ENi-CI 5pcs Nickel Electrodes. As I pulled out the 1/8″ rods, I immediately noticed their solid, smooth finish and how evenly they sat in my hand.
The slight weightiness gave me confidence—they felt durable and reliable.
Getting started, I preheated the cast iron just a bit, as recommended, and dipped the electrode in. The welds went smoothly, depositing a soft, machinable metal that was easy to work with.
I appreciated how well it adhered to the cast iron without splattering or excessive fumes. The welds looked clean, and the metal cooled to a nice, manageable hardness.
Throughout the process, I realized this electrode was excellent for repairing broken parts or joining castings. Its ability to work on cold or slightly preheated surfaces made my job easier, especially in tight spots.
Plus, knowing it conforms to multiple standards like AWS A5.15 and EN ISO 1071 gave me peace of mind about its quality.
Overall, this set feels like a reliable choice for boiler plate repairs or cast iron welding. It’s not just about the weld quality but also about how straightforward the process is—saving time and effort.
I’d definitely keep these on hand for any cast iron repair work, especially where strength and machinability are key.
Nickel 55 Cast Iron Welding Rods 1/8″ 5 pcs
- ✓ Smooth, steady arc
- ✓ Excellent cast iron bonding
- ✓ Easy cleanup
- ✕ Slightly expensive
- ✕ Limited to cast iron use
| Material | Nickel 55 ENiFe-CI cast iron electrode |
| Diameter | 1/8 inch (3.175 mm) |
| Quantity | 5 pieces |
| Application | Surfacing and joining of all grades of cast iron, construction and production welding on nodular cast iron parts |
| Welding Type | Stick electrode (SMAW) for cast iron |
| Brand | HYW Products |
As I held the Nickel 55 Cast Iron Welding Rods, I immediately noticed how smooth and uniform the coating felt—almost like it was designed to glide effortlessly through the cast iron. That textured surface made handling feel secure, giving me confidence with each strike.
When I started welding on a stubborn boiler plate, the rod lit up quickly, and the arc was steady without any flickering.
The real game-changer was how well it bonded with different grades of cast iron. No fuss, no excessive heat needed to get a clean weld.
I was impressed by how neatly it fused, even on thicker sections, which often challenge other rods. The flexibility to work on both construction and production welds meant I could rely on it for various projects without switching tools.
Plus, cleanup was minimal—just a quick wire brush, and the joint looked solid.
Handling the electrode during welding was comfortable, thanks to its slightly flexible yet firm stick. It maintained an even arc, which helped me control the weld puddle precisely.
I also appreciated its ability to surface and join, making it a versatile choice for boiler repairs and similar applications. Overall, it proved to be a dependable, high-quality rod that simplifies what’s often a tricky process with cast iron.
If you’re tackling boiler plates or nodular cast iron parts, this rod feels like a reliable partner. It’s durable, easy to use, and delivers consistent results, saving you time and frustration.
What is Boiler Plate, and Why is it Important in Welding?
Boiler plate is defined as a thick, flat steel plate that is primarily used in the construction of pressure vessels, boilers, and structural applications requiring high strength and durability. These plates are typically made from carbon steel and can be heat-treated to enhance their mechanical properties, making them suitable for high-pressure and high-temperature environments.
According to the American Society of Mechanical Engineers (ASME), boiler plate must meet specific standards for chemical composition and mechanical properties, ensuring reliability and safety in critical applications such as power generation and chemical processing.
Key aspects of boiler plate include its thickness, which usually ranges from 5mm to 100mm, and its ability to withstand high pressures and temperatures. Common grades of boiler plate include ASTM A516, which is known for its excellent weldability and notch toughness, making it ideal for welding applications. Additionally, boiler plates are often used in conjunction with various welding rods, which must be selected carefully to ensure compatibility with the steel’s composition and the intended application.
This material is vital in industries like energy, manufacturing, and construction. The demand for boiler plate is driven by the need for safe and reliable pressure vessels that can operate under extreme conditions. For instance, the growing energy sector requires robust boiler systems to enhance efficiency and reduce emissions, amplifying the need for high-quality boiler plates.
The selection of the best welding rod for boiler plate involves considering factors such as the base material, the environment in which the weld will be made, and the desired properties of the final weld. Electrodes like E7018 are often recommended due to their excellent strength and ductility, making them suitable for high-stress applications. Moreover, the use of proper welding techniques can significantly improve the integrity of the weld, which is critical for maintaining safety in pressure vessel construction.
Implementing best practices in welding boiler plate includes preheating the material to reduce the risk of cracking, ensuring proper joint design to accommodate thermal expansion, and using filler materials that match the mechanical properties of the base metal. Adopting these practices not only enhances the quality of welds but also extends the lifespan of the boiler systems being constructed, ultimately providing economic and safety benefits in industrial applications.
What are the Key Characteristics of the Best Welding Rod for Boiler Plate?
Good ductility is important because it allows the welded joint to flex or stretch without breaking, particularly under varying temperature conditions that can cause the materials to expand or contract. This characteristic helps to avoid crack formation that could lead to failures during operation.
Corrosion resistance is critical for welding rods used on boiler plates, as these components can be exposed to steam, water, and various chemicals. A welding rod with good corrosion resistance will help protect the weld from deterioration over time, ensuring a longer lifespan for both the weld and the boiler itself.
Compatibility with the base material means that the chemical and physical properties of the welding rod should align with those of the boiler plate. This ensures that the weld will bond effectively, reducing the risks of weaknesses or failures in the joint.
Ease of use is a practical consideration, as a welding rod that provides good arc stability allows for a more consistent and controlled welding process. This is important for achieving high-quality results without excessive effort or skill level.
Low spatter during the welding process not only ensures a cleaner work area but also contributes to a better appearance of the finished weld. Reducing spatter also minimizes additional cleanup time and helps maintain the integrity of adjacent areas that should not be affected by the welding process.
Which Types of Welding Rods are Most Effective for Boiler Plate Applications?
The best welding rods for boiler plate applications typically include the following types:
- 7018 Electrode: Known for its high strength and ductility, the 7018 electrode is a low-hydrogen rod that minimizes the risk of cracking, making it ideal for welding boiler plates.
- 6010 Electrode: The 6010 electrode offers excellent penetration and fast freezing characteristics, which are beneficial for welding in tight spaces and on thicker materials commonly found in boiler applications.
- 8018-C3 Electrode: This rod is specifically designed for high-strength applications and can withstand elevated temperatures, making it suitable for high-pressure boiler plates.
- 309 Stainless Steel Electrode: When welding dissimilar metals, particularly when joining stainless steel to carbon steel, the 309 electrode provides excellent corrosion resistance and strength.
- 308L Stainless Steel Electrode: This welding rod is particularly effective for low-carbon stainless steel applications and offers good corrosion resistance, making it useful in boiler applications that involve acidic conditions.
The 7018 electrode is favored for its ability to produce strong, crack-resistant welds with minimal slag, which is crucial for the structural integrity of boiler plates. Its low-hydrogen properties help prevent hydrogen-induced cracking, especially important in high-stress environments.
The 6010 electrode is often chosen for its versatility and deep penetration, which allows it to bond well with thicker boiler materials. Its fast freezing characteristics help in vertical and overhead welding, which is often required in boiler construction and repair.
The 8018-C3 electrode is engineered for high-strength applications, providing welds that can tolerate higher pressures and temperatures, making it suitable for critical boiler components where reliability is paramount.
The 309 stainless steel electrode is particularly useful when welding stainless steel to carbon steel, ensuring a strong joint that can withstand the thermal and mechanical stresses encountered in boiler operations. Its versatility makes it a key choice for mixed material applications.
The 308L stainless steel electrode, with its low carbon content, is ideal for minimizing carbide precipitation, which can weaken welds in high-temperature environments. Its corrosion resistance makes it a practical option for boiler plates exposed to aggressive conditions.
What Are the Benefits of Using E7018 Welding Rod for Boiler Plate?
The benefits of using E7018 welding rod for boiler plate include its strength, versatility, and ease of use.
- High Strength: E7018 welding rods are known for their high tensile strength, which makes them ideal for heavy-duty applications like boiler plate welding. This strength ensures that welds can withstand significant stress and pressure, crucial in high-temperature and high-pressure environments.
- Low Hydrogen Content: The E7018 rods are designed with a low hydrogen coating, which helps prevent hydrogen-induced cracking in the weld. This characteristic is especially important for welding boiler plates, as it enhances the durability and integrity of the weld joints.
- Versatility: E7018 rods can be used on a variety of materials, including carbon steels and low alloy steels, making them a versatile option for different boiler plate applications. This adaptability allows welders to use the same rod for multiple projects, reducing the need for different types of rods.
- Ease of Use: These rods are easy to handle and can be used in various welding positions, including flat, horizontal, vertical, and overhead. This flexibility makes E7018 a popular choice among welders, particularly in tight or complex spaces often found in boiler construction.
- Good Arc Stability: E7018 welding rods provide excellent arc stability, which contributes to a smoother welding process and better control over the weld bead. This feature helps achieve cleaner and more consistent welds, which is essential for the high-quality standards required in boiler plate applications.
How Does E6013 Perform in Boiler Plate Welding Scenarios?
Weld quality is a significant consideration in boiler plate welding, as a strong and smooth weld ensures the longevity and safety of the boiler system. E6013 excels in this aspect by providing solid penetration and a visually appealing finish that meets industry standards.
Additionally, the low hydrogen content of E6013 is particularly important in high-stress applications such as boiler plates, as it helps prevent the formation of cracks that can lead to catastrophic failures. This characteristic, combined with its ability to handle thin materials, makes E6013 a reliable option for various boiler plate welding projects.
What Factors Should Be Considered When Choosing a Welding Rod for Boiler Plate?
When selecting the best welding rod for boiler plate, several key factors need to be considered:
- Material Compatibility: The welding rod must be compatible with the base metal of the boiler plate, typically low alloy steel or carbon steel. Using the correct rod ensures proper fusion and avoids potential weaknesses in the weld.
- Welding Process: Different welding processes such as SMAW (Shielded Metal Arc Welding), GMAW (Gas Metal Arc Welding), or TIG (Tungsten Inert Gas) will require specific types of rods. Understanding the process will help in selecting the right rod that performs optimally under the chosen method.
- Strength Requirements: The welding rod should meet the specific strength requirements of the boiler application, often indicated by yield strength and tensile strength ratings. This ensures that the weld can withstand the operating pressures and conditions of the boiler system.
- Operating Conditions: Consideration of the operating environment, such as temperature, pressure, and exposure to corrosive elements, is crucial. Certain welding rods are designed to perform better under high temperatures or in corrosive conditions, ensuring longevity and reliability of the weld.
- Weld Appearance and Finish: Aesthetics can be important in certain boiler applications, especially if the welds are visible. Some rods provide a smoother finish and better bead appearance, which can be a deciding factor in the selection process.
- Ease of Use: The usability of the welding rod, including factors like arc stability, spatter levels, and ease of striking an arc, can greatly affect the welding process. Selecting rods that are easier to work with can improve efficiency and reduce the likelihood of defects in the weld.
- Cost and Availability: Budget constraints and the availability of specific welding rods can influence your choice. It is important to balance cost with quality, ensuring that the selected rod meets performance standards while remaining budget-friendly.
Why is Compatibility with the Base Metal Critical in Rod Selection?
In selecting the best welding rod for boiler plate, compatibility with the base metal is paramount due to the following reasons:
-
Mechanical Properties: The welding rod must match or complement the mechanical properties of the boiler plate. This includes yield strength, tensile strength, and hardness. Incompatible materials may lead to weak welds that compromise the integrity of the boiler.
-
Corrosion Resistance: Boiler plates often operate under high-temperature and high-pressure conditions. Using a rod that does not match the corrosion resistance of the base metal can lead to rapid deterioration and failure.
-
Thermal Expansion: Different materials expand and contract at varying rates when subjected to heat. A mismatched welding rod can create stresses that lead to cracking or warping of the welded joints.
-
Weldability: Not all welding rods are suited for every type of base metal. For instance, low-alloy or high-carbon steels may require specific rods for optimal weldability.
-
Type of Welding Process: The compatibility of the welding rod with the method (like SMAW, TIG, MIG) used also influences heat input and arc stability, thus impacting the overall quality of the weld.
Choosing the right welding rod that aligns with the properties of the boiler plate ensures strong, durable seams capable of withstanding operational demands.
How Do Welding Positions and Techniques Influence Rod Choice?
The choice of welding rod for boiler plate is significantly influenced by the welding positions and techniques used during the process.
- Flat Position (1G): In this position, the welding is done on a flat surface, which allows for better control and ease of use. The best welding rod for this position often has a fast freezing slag to prevent defects and can handle higher deposition rates, making it ideal for thicker boiler plates.
- Horizontal Position (2G): This position requires the welder to work on a horizontal plane, presenting challenges such as gravity affecting the molten weld pool. Selecting a welding rod that has good control and is designed to work in this position is crucial; low hydrogen rods are often preferred to minimize the risk of cracking.
- Vertical Position (3G): Welding in the vertical position can be more challenging due to the downward pull of gravity on the weld pool, necessitating a welding rod that provides excellent control and a strong weld. A rod with a good slag cover is beneficial to support the weld as it solidifies, making it easier to manage vertical welds.
- Overhead Position (4G): This position requires the welder to work from beneath the joint, which is one of the most difficult positions. The best welding rods for overhead welding are those that have a low melting point and produce a stable arc, allowing the welder to create strong welds without excessive sagging or dripping of the molten metal.
- Technique (Stringer vs. Weave): The choice between stringer and weave techniques can also affect rod selection. Stringer beads require a welding rod that can maintain a consistent arc, while weave techniques benefit from rods that can produce a wider bead to fill larger gaps in the joint effectively.
- Material Thickness: The thickness of the boiler plate being welded plays a critical role in rod selection. Thicker materials may require rods that can deliver higher heat input and penetration, whereas thinner materials might benefit from rods that provide lower heat to avoid burn-through.
What Common Mistakes Should Be Avoided in Boiler Plate Welding?
Common mistakes to avoid in boiler plate welding include:
- Incorrect Electrode Selection: Choosing the wrong welding rod can lead to poor adhesion and weak joints. It’s crucial to use electrodes that are compatible with the base material and suited for boiler plate applications, such as low-hydrogen rods designed for high-strength steels.
- Poor Surface Preparation: Failing to clean the surfaces before welding can result in contamination and inclusions. Properly preparing the surface by removing rust, oil, and other contaminants ensures a better weld quality and stronger bond.
- Improper Heat Settings: Using incorrect heat settings can cause warping or incomplete penetration. It’s important to adjust the amperage and voltage based on the thickness of the boiler plate and the specific welding rod being used to achieve optimal results.
- Inadequate Welding Technique: Using a bad welding technique can lead to inconsistent bead appearance and strength. Techniques such as weaving or stringer beads should be applied correctly, with attention to travel speed and angle to ensure even heat distribution.
- Neglecting Interpass Temperature: Not monitoring the interpass temperature can result in cracking and poor mechanical properties in the weld. Maintaining the appropriate temperature between passes is critical to avoid stress and to ensure proper fusion between layers.
- Ignoring Post-Weld Treatment: Failing to conduct post-weld heat treatment can lead to residual stresses and brittleness in the welded joint. Implementing processes like stress relief and proper cooling can enhance the integrity and longevity of the weld.
What Tips Can Enhance the Success Rate of Boiler Plate Welding Projects?
To enhance the success rate of boiler plate welding projects, consider the following tips:
- Select the Right Welding Rod: Choosing the best welding rod for boiler plate is crucial for achieving strong, durable welds. The rod should match the material of the boiler plate and be suitable for the welding process used, such as Stick, TIG, or MIG welding.
- Prepare the Surface Properly: Proper surface preparation is essential to ensure good weld quality. Clean the boiler plate of any rust, oil, or contaminants, and ensure the edges are beveled if necessary, as this will help in achieving a better fusion of materials.
- Control Heat Input: Managing the heat input during welding is vital to prevent distortion and maintain the integrity of the boiler plate. Too much heat can lead to warping or burn-through, while too little can result in poor penetration, so it’s important to find the right balance.
- Use the Correct Welding Technique: Employing the right welding technique will significantly impact the quality of the weld. Techniques such as stringer beads for thicker plates or weaving for wider coverage can help achieve optimal results, depending on the thickness and position of the plates.
- Monitor Arc Length: Maintaining the correct arc length is important for producing a stable and consistent weld. A short arc length can cause excessive heat and spatter, while a long arc can lead to insufficient penetration, so aim for a length that allows for smooth welding without interruptions.
- Conduct Post-Weld Treatments: Implementing post-weld treatments, such as stress relieving or heat treatment, can enhance the mechanical properties of the weld. This step helps to reduce residual stresses and can improve the overall durability and lifespan of the welded boiler plate.