Importance of metal alloys

Copper V.S. Aluminum: Which Is the Better Conductor of Heat?

Copper and aluminum are indispensable metals used during different production processes. These two metals are used to manufacture items that almost everybody uses. But you might wonder: When it comes to heat conductivity, which of these essential metals is superior? To understand this, we must look into the heat transfer science between both metals. This blog will give a detailed analysis of the better heat conductor between copper and aluminum. 

Understanding Thermal Conductivity

A metal’s thermal conductivity relates to its ability to conduct heat. Conducting heat is a vital quality that a metal possesses. It is a factor that counts in the production process, especially for cooling systems. Atomic motion within a substance is fundamentally what controls its thermal conductivity. The lattice effect makes copper and aluminum crystalline structures exceptional heat conductors. It is worth mentioning that thermal conductivity is subject to change with the influence of temperature and alloy composition.

The Metal that Best Conducts Heat

Although both metals perform well in conducting heat, copper still stands out best. Its capacity to conduct heat is second to none and is many steps ahead of aluminum. Aluminum thermal conductivity is about 237 W/mK (watts per meter kelvin) compared to copper with roughly 401 W/mK. This is why manufacturers can only use copper for cooking utensils and HVAC system production. Heat dissipation is critical, and only a metal that can conduct the highest amount of heat will function effectively for this purpose. It deals with tasks requiring heat control due to its outstanding thermal conductivity.

Real-World Application of Copper and Aluminum

Many manufacturers exhibit applying these metals’ thermal conductivity across different production activities. This further highlights the importance of copper and aluminum to human existence. Copper is used to produce electronic components like smartphone batteries and computer processors. Its presence ensures effective scattering of heat for endurance and optimal performance. Like copper, automotive engineering utilizes aluminum because it is not a heavy metal, and its thermal conductivity is superb. It is the ideal metal for heat exchangers and specific engine parts, contributing to higher fuel efficiency.

Contact Markham Metals For Custom Copper & Aluminum Fabrication In New England

Copper and aluminum are vital metals. Because of their exceptional thermal conductivity, they are critical in manufacturing heat-generating products. When heat conduction is of high importance, copper remains the best. However, when items do not necessarily need to conduct heat, aluminum performs fine and offers durability. That shows the importance of adopting proper materials for thermal management demands. Markham Metals has a proven track record of over 30 years of delivering effective solutions tailored to diverse industries. Contact us today by filling out our contact form or calling us at 978-658-1121!

 

bending metal

What is Metal Bending Used For?

Metal bending is a specialty in design and production, an ancient art form that has developed alongside technological advancements. Metal bending is an essential process that shapes the physical environment, from the elegant curves of buildings to the exact dimensions of industrial parts. This blog looks into the intriguing art of metal bending, discussing its many uses, which make it a valuable talent in many fields.

Bending Methods

Metal bending comprises various techniques, each developed to meet unique requirements. There has been a progression from more labor-intensive manual processes to more sophisticated automated ones. Instances include rotary draw bending, press brake bending, and roll bending. 

Sheet metal fabricators frequently employ press brake bending, forcing a product into a predetermined shape. When working with metal, roll bending is preferable since it uses three rollers to create smooth curves. Tubes and pipes can be precisely bent with rotary draw bending using mandrels and die. When producers are familiar with these approaches, they can pick the one that works best for their products.

Bending Springback

Springback is a problem that can arise while bending metal. Materials tend to partially revert to their initial shape after the bending force is eliminated. This springback effect must be considered by engineers and fabricators to produce the intended final shape precisely. It is necessary to do calculations and make modifications when bending to make sure the final product is in line with the design specifications,

Bend Allowance and K-Factor

Understanding the bend tolerance and K factor to bend metal successfully is essential. The bend allowance is the quantity of material that needs to be bent, considering things like the material’s thickness and the bend’s angle. To determine the length of the flat pattern, one uses the K factor, a constant associated with the material’s properties. These considerations are critical for exact preparation and execution, guaranteeing that the shaped part replicates the original.

Sheet Metal Design Tips for Bending

Design is the first step to effective sheet metal bending. Improving the product’s manufacturability can be as simple as adding radii, smoothing rough edges, and carefully arranging bends. To optimize their works for efficient and accurate production, designers must grasp the restrictions of the chosen bending process and consider material qualities.

Metal Bending Online

Nowadays, gaining access to metal bending materials and services online is easier than ever. Tools and calculators for bend allowances, forums for knowledge exchange, and services for outsourcing bending jobs are all available on online platforms that connect designers and manufacturers with bending experts. Access to this information online has leveled the playing field regarding metal bending, encouraging more cooperation and new ideas.

Contact Markham Metals For Metal Bending Services In New England

Metal bending is a crucial skill in today’s industrial process. Mastering this art is vital, as it encompasses a wide range of bending techniques and the ability to overcome obstacles such as spring back. With an understanding of all components, manufacturability can be optimized through intelligent sheet metal design advice. Markham Metals has become invaluable in this age of digital connectivity due to the metal bending process optimization services and knowledge they offer. If you need help realizing your metal bending projects, look no further than Markham Metals and its dedication to efficiency and innovation. Contact us today by filling out our contact form or calling us at 978-658-1121!

water jet cutting

The Easiest Way To Cut Metal Fast

The right tools always come in handy for quick tasks around our homes, offices, and major projects. And when it comes to emergency metal cutting, it is essential to choose your go-to tools carefully. Metals come in different shapes, sizes, and textures. While some, like aluminum and copper, are much easier to cut, metals like steel and titanium are complex materials and may give you a hard time cutting. In this blog, you’ll learn easy tools to cut your metals quickly.  

What is the Easiest Way to Cut Metal Fast?

Our top recommendation for the easiest way to cut metal fast is to use an angle grinder. Angle grinders are portable mechanical tools designed for multipurpose uses like cutting, polishing, and grinding. These devices have a spinning disc intended to slice through metal. However, it would help if you used this tool with the utmost care to avoid potential hazards. Apart from using an angle grinder, here are four other easy ways to cut metal fast.

Water Jet Cutter for Titanium and Hard Metals

Water jet cutters let out pressurized water through a nozzle at an intensity that cuts smoothly through metal. This method is better suited for heavy metal cutting projects handled by professionals. However, it remains an easy way to get clean, precise cuts on metal and other materials like foam, glass, and even stone. When using a water jet cutter, it is necessary to use safety equipment and conduct the exercise in a contained area.

Circular Saw for Non-Ferrous Metals

Circular saws help cut metals like aluminum, lead, and copper. Because these metals do not contain iron, it’s much easier to cut through them. The trick to getting easy cuts when using a circular saw is ensuring the saw blade is ferrous metal. You can find this information on the label of the blade. 

Tin Snips for Thin Metal Sheets

Thin metal sheets tend to bend or crimp when you cut them with heavy cutting tools. So, if you are working with thin sheets or need to take a slight edge off, use a tin snip. They also lose their sharp edges quickly, so you will need spares, depending on how much metal you are working with.

Hacksaw

If you don’t have access to a mechanical tool, using a hacksaw is also effective in cutting metal. The Hacksaw is a popular tool for cutting metal amongst many users, both DIYers and professionals. Its popularity is due to its easy availability in most toolboxes. When using a hacksaw, you may need to switch your hacksaw blade from the wooden alternatives to a metal blade designed to cut metal. Using a hacksaw for metal cutting requires some elbow work and is most suitable for simple metal-cutting tasks.

Contact Markham Metal For Fast Metal Cutting In Massachusetts

While there are several cutting tools for metal, you can only get the best out of your tool when you use it on a suitable metal. Heavy-duty tools should not be used on thin strips or metal rods, and vice versa. Overall, personal safety should be noticed while handling these cutting devices. Ensure the use of the appropriate cutting tool or employ the services of a professional. So, hire a professional today, like Markham Metals, instead of splurging on big tools for that summer project. Markham Metals, based out of Wilmington, MA, can make custom metal deliveries all over New England. Contact us by calling (978) 658-1121 or filling out our contact form.

corrosion

What Is The Most Common Type Of Metal Corrosion?

Metal corrosion is a common problem that affects many businesses and daily things, causing degradation and compromising structural integrity. It’s critical to understand the most frequent sort of metal corrosion that plagues structures, machinery, and even household necessities. Homeowners can better equip themselves to resist the harmful effects of metal corrosion and maintain the longevity of their metallic assets by being conversant with metal corrosion. This blog untangles the complexities of this widespread problem by putting light on its causes, manifestations, and preventive strategies. 

Revealing Uniform Corrosion

Uniform corrosion is one of the most common types of metal corrosion, defined by a generally even breakdown of a metal’s entire surface. This form of corrosion develops when a metal is exposed to a corrosive environment, such as moisture, air, or chemicals. The homogeneous progressive deterioration of the metal surface forms a layer of corrosion products. While this may appear to be a slow and predictable process, the cumulative impact over time can result in significant material loss and jeopardize the structural integrity of the affected metal.

Contributing Factors and Causes

Understanding the causes of uniform corrosion is critical for implementing effective prevention measures. Humidity, salt exposure, and certain chemicals can hasten corrosion. Temperature changes and air variables also play vital roles in increasing the effects of uniform corrosion. Because this type of corrosion frequently manifests as a general weakening of the metal surface, addressing the underlying causes and taking protective measures to reduce its consequences is critical.

Prevention and Mitigation Strategies

Considering that uniform corrosion is so widespread, taking preventive steps is critical. Paints and corrosion-resistant finishes, for example, form a barrier between the metal surface and the corrosive environment, delaying the development of corrosion. Regular inspections and maintenance procedures are required to detect early indicators of uniform corrosion and enable timely intervention and mitigation. Implementing suitable ventilation systems and managing environmental elements like humidity and temperature can also help to reduce the impact of this frequent type of metal corrosion.

Contact Markham Metals For The Best Quality Metal In New England

Being aware of metal corrosion types allows you to take preventive measures to protect the integrity of your metallic assets. The importance of preventive strategies must be addressed as we manage the challenges of corrosive environments. Markham Metals emerges as a prominent actor in this quest, successfully providing specific solutions and cutting-edge technologies to battle uniform corrosion. Choosing Markham Metals as an ally ensures the preservation of your important assets and a long-term, corrosion-free future. Contact Markham Metals, located in Wilmington, MA, but we serve all New England. Fill out our contact form here to get a free quote today!

Which Metal Best Conducts Electricity?

Electricity is the lifeblood of our modern world, powering everything from our homes to high-tech industries. One crucial aspect of the electrical conductivity puzzle lies in our materials. Metals, known for their excellent conductive properties, are pivotal in transmitting electric current. In this blog, we delve into the world of metals and explore which stands out as the best conductor of electricity.

The Conductivity Contenders

Metals, by nature, have free electrons that can move quickly, making them conducive to electrical conductivity. However, not all metals are created equal in this regard. The contenders for the title of the best conductor include copper, silver, and gold. These metals have long been the go-to choices for electrical wiring, thanks to their impressive conductivity ratings.

Copper: The Workhorse of Electrical Conductivity

Copper has earned its reputation as the workhorse of electrical conductivity. It boasts a combination of high conductivity, durability, and affordability, making it the most widely used metal in electrical wiring. Copper conductivity is second to none among non-precious metals. Its ability to carry electric current with minimal energy loss has made it a staple in power transmission lines, household wiring, and electronic devices.

Copper also exhibits excellent thermal conductivity, efficiently dissipating heat generated during electrical operations. This property is beneficial in high-performance electronic applications with critical heat management. Despite competition from other metals, copper maintains its dominance in electrical conductivity.

Silver and Gold

While copper takes the lead in practical applications, silver and gold showcase exceptional conductivity properties that make them intriguing options, especially in specific niche applications. Silver, in its pure form, outperforms copper in terms of conductivity. However, silver’s higher cost and susceptibility to tarnish have limited its widespread use in everyday applications.

Gold, often associated with luxury and jewelry, surprises many as a competent conductor of electricity. While gold is less practical for general electrical wiring due to its high cost, it finds applications in specialized scenarios. The electronics industry, particularly in spacecraft and satellites, values gold’s ability to resist corrosion and maintain conductivity in extreme conditions.

Choosing the Right Metal for the Job

In electrical conductivity, the choice of metal depends on the application’s specific requirements. For most everyday purposes, copper is the top choice, offering an optimal balance of conductivity, durability, and cost-effectiveness. However, silver and gold may find their niche when absolute conductivity is paramount, such as in specific high-tech and space applications.

Contact Markham Metals For Custom Metalworking In Massachusetts 

Advancements in materials science may bring forth new contenders, but for now, copper, silver, and gold remain the stars in the electrically charged performance of our modern world. Contact Markham Metals to learn more about each type of metal and get assistance choosing the suitable metal for your electricity conducting needs.