By

Rotax Metals

Fascinating Facts about Bronze and Brass Extrusions and Other Types of Tubing

Types of Tubing

Tubes are among the most useful metal supplies on the market. They are used for a vast array of applications and benefit many different industries, including creative, construction, industrial, and manufacturing. In fact, in any manmade structure, you’ll see a tube or two installed to perform an integral role in the structure’s stability and functionality.

Tubes are not to be confused with pipes. Although they normally look the same, they are different types of material altogether. Generally, pipes are often used for conveying fluids and gases, whereas tubes are used for decorative and structural purposes. The ones inside your walls or underneath the sink are classified as pipes, while your curtain rods and stair railing are considered tubes. There are cases, though, when a tube also functions as a pipe and vice versa, but this is the general idea.

Applications of Tubes

As previously mentioned, tubes can be used for a range of applications. These may include precision tubes in vehicles, stands for tents, and frames for bed bases. Most machines and appliances have handles and other major components made of tube, too. The handles on your shovel and mop as well as the antenna on your old radio are all tubes. To give you a better idea of how vast tube applications are, here are some major uses of tubes that you rarely hear of but are actually very common.

  • Structural.

    You probably think of tubes as only suitable for small-scale applications, mostly for aesthetic purposes. In truth, tubes also have structural uses. Most of today’s buildings consist of tubular columns and beams. Builders prefer it to other materials because they are flexible and easy to install.

  • Mechanical.

    When you’re riding a bicycle and suddenly you need to stop and carry your bike down a stairway, did you notice how light it is? If the body of your bike is made of solid steel, you would have difficulty lifting it, let alone carry it down the stairs. Most bicycles have a body made of tubes, which explains why they are very light. The same goes for other types of vehicle.

  • Hydraulic.

    Any hydraulic system that handles large volumes of fluid at a quick rate to meet increasing levels of demand needs to have an accumulator to cope with extremes. This accumulator, together with a number of components of the hydraulic system itself, is made of tubes.

  • Extinguishing and Distribution.

    Many tubes are also used for making fire extinguishers, plumbing fixtures, and natural gas distribution systems. These tubes are usually made from the highest quality metals to ensure that they can tolerate extreme pressure and temperature.

Shapes and Materials

Tubes come in different shapes, sizes, and materials to serve different purposes. Those with circular cross-sections are the most common because they are suitable for virtually all kinds of applications. Some tubes have special shapes typically for decorative uses. Rectangular and triangular cross-sections are not preferred for structural applications because their shape may affect the distribution of load and pose a threat to the stability of the structure.

Most tubes with irregular cross-sections are used as standalone or as components of a decorative element. They can be manufactured through casting and rolling or through extrusion. Many manufacturers prefer the latter because it’s more efficient. Extrusion involves pressing a workpiece into a die with the desired cross-section, whereas in casting, the metal has to go through more than a few complex processes before the output is produced.

Two of the metals tube manufacturers commonly use are bronze and brass. Both alloys of copper, they exhibit qualities that are suitable for most applications of tubes. They are malleable as well as durable, and so they can last long and endure high pressures. If you need a brass or bronze tube to replace a missing fixture in your home, find one from a top metal supplier, such as Rotax Metals. Whether you need cast tubes or brass extrusions, they surely have it in their inventory.

Patina: Bringing Out the Best in Bronze Bars and Tubes

Metals are the most abundant material on the planet. The Earth’s core, itself, is a gigantic ball of iron. You can find them in almost every building, vehicle, or machine, as well as most of the everyday items you use. They comprise 77 percent of the Periodic Table of Elements—and these are just the pure metals. The alloys produced by combining two or more of them are not yet included. Simply put, metals play a critical role in how the world runs, and yet a lot of people know very little about them.

Patina

There’s more to the metals that make up your doorknob and window frame than you probably know. If you take a closer look at them, you’ll find some fascinating facts that can make you understand how vital metals are to human life. One of the most interesting things about metals is their susceptibility to corrosion, a process that results from electrochemical reactions between materials and substances in their environment.

Understanding Corrosion

When a metal is placed in an unstable environment, its chemical composition changes, particularly when it makes contact with a reactant, a substance it reacts to. Different metals react to different substances and how they react varies according to their classification. Ferrous metals, for example, slowly transform into rust when exposed to oxygen.

Non-ferrous metals or those metals that do not contain iron, on the other hand, react by forming a protective outer layer called patina. The best example of a metal that undergoes this type of corrosion is copper and all its alloys. When exposed to oxygen, copper’s surface turns green over time.

Have you ever wondered why the Statue of Liberty has a green color despite lack of coating? That’s mainly because its cladding is made entirely of copper. After over 140 years of exposure to the elements, its copper covering has long reached the final stage of its transformation, which is colored green.

When You Don’t Always Want Green

While the green color of corroded copper looks appealing to some, it does not to others. If anything, they think the color doesn’t fit to certain decorative applications and they prefer dark brown, black, or anything in between. In that case, they prefer an alloy of copper where copper’s properties are not that prominent, so they choose bronze.

Bronze has been used for making statues, ornaments, and all kinds of accessories for thousands of years. Hundreds of bronze sculptures have been unearthed and displaced in many museums all over the world. It’s their thick layer of patina that preserved them for so long, some of them are still intact and need little polishing to look their best again.

Unfortunately, it might cost you a fortune to have any of these artifacts displayed in your own house. The good news is that these are not the only bronze sculptures available out there. There are bronze sculptures that, despite being created more recently, have almost the same distinct color and shade as those of the ancient artifacts. You may wonder how those who made them were able to achieve that. Well, the secret is to speed up corrosion.

How to Speed Up Bronze’s Corrosion

It’s actually no secret that bronze’s beautiful patina can be expedited. In fact, the technique called “intentional patination” became so popular that it has created a whole new industry. It involves exposing bronze to a variety of chemicals until the desired color and shade are achieved. The process is quite simple; anyone can try it at home if they don’t want to spend a lot on purchasing an already patinated bronze furniture or sculpture.

All you have to do is prepare your bronze sculpture by cleaning its surface and making sure it is free from any foreign elements that might get in the reactant’s way. Ferric nitrate is the safest and most cost-efficient choice for a reactant. However, direct application on bronze can cause rapid reaction, which is why it is advisable to apply an undercoat of bismuth nitrate.

The corrosion is usually aided by change in temperature, and so it is important to heat the bronze while applying the ferric nitrate. After covering the entire surface, start applying cupric nitrate to add complexity. Let the coating sit overnight and then wax the surface for finishing. The wax serves as a shield to preserve the color of the patina you’ve forced to come out.

Copper Supplies from the Right Supplier

If you are planning on a project that involves the use of copper alloys, particularly bronze bars, make sure you will get your materials from a trusted supplier, such as Rotax Metals. This is the only way to ensure that you will be able to achieve the right patina for your bronze. Whether it’s a simple bronze or a special one like Muntz metal, it helps you get it from the right source.

Copper and Brass Sales—Are You Sure You Know Which Metal Is Best for Your Projects?

Copper and BrassThe annual copper production in the United States continues to grow due to the increasing demand mostly by the construction, transportation, electrical, and electronics industries. Although the increment fluctuates year after year, the copper mining industry sees only an uptrend in domestic production, which is expected not to dip anytime soon regardless of the state of global supply.

If you are planning a project that involves the use of a considerable amount of copper supplies, now is the best time to commence while production is still at its peak. Before you go about the project, however, it helps to fill yourself in with vital information about copper and its types that you will be using in making decisions. Keep in mind that each alloy of copper has its unique properties that work for select applications. Find the metals with the properties that you need for the project. To help you decide, let’s compare copper with its major alloys—bronze and brass.

Copper

Copper is one of the first metals discovered by man. Its use dates back 10,000 years, revolutionizing many fields of technology, including hunting, architecture, and construction all in its purest form. This is all thanks to copper’s unique set of properties, the most useful of which include corrosion resistance and high electrical and thermal conductivity. In fact, the only reason it can last for thousands of years is that it is extremely resistant to corrosion. It usually takes that long to see real signs of damage on its surface.

When exposed to oxygen, copper’s surface forms a layer of new material called patina. This later becomes copper’s shield against further deterioration. It doesn’t easily melt when exposed to extreme heat, making it a perfect material for machine parts. With its electrical conductivity, copper can convey high voltage electricity without burning up, which explains why most of today’s wires and cables are made of copper. To better understand the properties of copper and know where to buy copper sheet, ask a metal expert from any of the well-known suppliers in your area.

Brass

An alloy of copper and zinc, brass is widely known for its gold-like appearance. With the right combination, it can look exactly like gold, making it the perfect alternative if you want fancy-looking decorative and structural features in your building. Apart from the elegant appearance, brass also has its share of functional properties that can be used for various practical functions.

Due to its malleability and ductility, which by the way it inherited from its main component copper, it can be hammered or pressed into thin sheets or drawn into small wires. This metal also has a good acoustic property, which is why many types of musical instrument are made from it. The copper in brass is known for its antimicrobial properties as well, and therefore brass tubes are preferred for pipes used in water systems.

Bronze

A metal so popular it was named after an entire era, bronze has been the most widely produced copper alloy in the ancient times. This metal is formed by combining copper and tin. Sometimes, other elements such as aluminum, manganese, and nickel are added to produce an even stronger and more resilient variant.

Bronze has high wear and tear resistance, a critical property for machine bearings that are exposed to friction and torsion forces. It is capable of producing a unique kind of patina as well. With its ability to expand as it cools down to its re-crystallization state, bronze is practically the perfect metal for sculpture.

Now that you have basic knowledge of the differences between copper and brass sales, you can better choose the most efficient material for your project. Whether you need copper sheets or brass tubes, it will be much easier to pick the right alloy. The only thing you have to remember is to look for it in the right supplier. You’ll have a better chance if you will turn to a reliable metal supplier in New York, such as Rotax Metals.

1 26 27 28 29 30 153

Product categories