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Corrosion Types That Can Occur On Steel and How to Deal With the Corrosion

Posted by on Feb 11, 2016 in Uncategorized |

Stainless steel is typically corrosion resistant and holds up well in most environments. However, there is a limit of the corrosion resistance of any given stainless steel depending on its constituent elements, which means that every grade will have a slightly variant response when exposed to corrosive environments. For this reason, you need to be careful when selecting the grades of stainless steel for different applications in your home or workplace. To help you reduce the likelihood of corrosion and staining, here are forms of steel corrosion you should know and ways you can avoid them:  Pitting Corrosion Stainless steel contains chromium, which forms a surface film or layer of chromium oxide on contact with oxygen. This layer is passive because it makes the surface of the stainless steel to lose its chemical reactivity.  However, chemicals especially those with chloride ions, found in everyday materials like bleach and salt can attack this passive layer, allowing corrosion to start. This type of corrosion, known as pitting corrosion, refers to a local break in this passive layer that can be provoked by electrolytes rich in chlorides. To prevent this corrosion, keep your stainless steel material away from prolonged contact with chemicals. However, in the event that a pitting hazard is known, for instance, where both stainless steel and chlorides will be in contact, choose a grade of steel such as molybdenum-bearing stainless steel that will be more resistant to the chemical attack.  Galvanic Corrosion Galvanic or bimetallic corrosion can occur when dissimilar metals come into contact in common electrolytes such as water or other solutions, setting up a galvanic cell. If there is a flow of current between the two, the anode, the less noble metal, will corrode at a faster rate than it would have had the metals not come into contact (a noble metal is one that is resistant to oxidation and corrosion in moist air). The rate of corrosion will also depend on factors such as the composition and temperature of the electrolyte, and the areas of the metals that are in contact. Greater attack on the anode will occur with larger areas of the cathode (more noble metal). Therefore, avoid carbon steel bolts in any stainless steel member because the ratio of the stainless steel area to that of the carbon steel will be large, meaning that the carbon steel bolts will be subject to aggressive corrosion or attack. Alternatively, you can use non-metallic insulators like rubber to separate the metals. Crevice Corrosion Stainless steel needs an oxygen supply to ensure that the passive layer forms on its surface. Therefore, tight crevices hinder oxygen access to the stainless steel, making it vulnerable to attack. These crevices can occur between washers and nuts and around the shank of a bolt or the thread of a screw. To prevent this, seal the crevices with flexible sealants. For further assistance, contact professionals, such as those...

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6 Reasons Why You Need Porcelain Tiles For Your Bathroom

Posted by on Jan 25, 2016 in Uncategorized |

When building or remodelling your house, the bathroom is a place you wouldn’t want to go wrong. This means that identifying tiles for your bathroom are among the major tasks you’ll face. Perhaps you’ve been thinking about bathroom tiles ever since you decided to construct or renovate your home. There is a variety of options and materials you can use for your bathroom tiles, including vinyl, wood, stone, etc. Whether it’s your bathroom floor tiles, shower tiles, wall tiles, or splashback tiles, you need to make the right choice that will give your bathroom an elegant look while standing up to your daily use.  For this reason, here are 6 reasons why you may want to go for porcelain tiles. Stain Resistance Porcelain has a natural stain resistance feature. With the ability to repel liquid penetration, staining agents won’t readily penetrate through this material dimensionally. This effect can be even more enhanced or dramatic when your porcelain tiles are glazed, making it almost impossible for the surface of these tiles to be discoloured. This makes porcelain tiles suitable for your bathroom. Durability Porcelain is denser than its comparable counterparts because it’s made from refined clay and fired at higher temperatures, making it durable. If installed correctly in your bathroom, it will last for long. Low Maintenance Porcelain is easy to maintain, especially because it’s resistant to stains and doesn’t need covering for water resistance. It is non-porous and has high resistance to slipping. For this reason, cleaning is an easy task because you can simply clean spills using water, a detergent if necessary, and a damp rag. Moreover, sweeping regularly will keep loose debris off your floor. Moisture Resistance Porcelain is less prone to moisture absorption because of its high density. This makes it the ideal option for your bathroom. Resistance to Wear and Tear Porcelain is a hard material, giving it a tendency to resist cracking from physical impacts. The higher breaking strength than other materials makes it more versatile for use in your bathroom. In addition, the hardwearing material can resist scratches, chipping, and fading. Since your bathroom is a place that can be used more than once in a day, this particular feature of porcelain tiles makes them a more flexible option. Options Porcelain offers you a variety of styles to choose from because the tiles can be made to look like wood, slate, granite, and marble among others depending on what you’d prefer....

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Common Drill Bits You Can Use in Your CNC Metal Fabrication Shop

Posted by on Dec 21, 2015 in Uncategorized |

Computer numeric control (CNC) fabrication machines help to make products more precisely since they rely on computer commands to fabricate products. One of the tasks that CNC machines can do is drill holes during the fabrication process. This article discusses three kinds of drill bits that can do that work. Use this information to make an informed decision as you select the most appropriate drill bits for your newly installed CNC machines. Indexable Drill Bits This drill bit has ceramic inserts that work as cutting edges. The drill bit also has a very hard cutting tip that makes it unnecessary for you to sharpen the drill bit. The biggest advantage of this type of drill bit is that it is very fast. The drill bit also has the capability of making holes that are several times as wide as the drill shaft. Spade Drill Bits These are made out of two parts. One part is the metal body that is attached to the CNC machine. The second part is the drill tip that is clamped into a slot found in the metal body that has been attached onto the CNC machine. The biggest advantage of this type of drill bit is that it is equipped with special notches on its sides. Those notches help to remove the drill debris so that it does not create a clog in the area where the drill bit is operating. It is also easy to replace a worn drill bit. This is because you only have to remove the tip and clamp a fresh one in its place. Ejector Drill Bits These are ideal when you want to drill deep holes inside the material that is being machined. The drill bit can have a single head or it can have several heads. The version with several heads usually has brazed carbide bits in the middle so that they reinforce the action of the outer tips that may not be operating evenly due to encountering different magnitudes of resistance in the machined material. Ejector drill bits can also produce holes that are much larger than the drill shaft of the CNC machine. Work with a supplier of CNC milling machines so that you select a collection of drill bits that will be effective for the different drilling tasks that you perform at your fabrication shop. You may also try the different drill bits before you settle on a particular type that delivers satisfactory results on a consistent...

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Important Factors to Consider When Choosing Castor Wheels

Posted by on Dec 4, 2015 in Uncategorized |

Castor wheels are used in vehicles, such as dollies, shopping carts, dumper bins and so on to ease movement of loads. Therefore, if you are thinking of fitting your vehicle/ cart with castor wheels, below are some factors you may want to take into account. Temperature it will be exposed to Before getting your wheels, you need to determine the amount of heat they will be subjected to. This will enable you to choose a wheel of the right material. For very hot temperature sites, you may want to acquire cast iron castor wheels. The cast iron is hardened and can withstand temperatures of up to1500 degrees Fahrenheit. Moreover, you can also get phenolic castor wheels made of high profile polyurethane, which is specifically designed for high temperature conditions. For extremely cold temperatures, you may opt for plastic or soft rubber wheels, since they are less susceptible to freezing than the former. Floor surface When buying castor wheels, identify the texture of the floor surface they will be used on. You may want to have a wheel surface texture that is opposite to that of the floor. For instance, a rigid rubber castor wheel would suffice for a very smooth floor. It consists of a wheel mounted to a stationary fork that restricts the vehicles motion to a straight line. Moreover, the rubber increases friction, thus grasping the floor more. For rougher surfaces, a smoother castor wheel, such as nylon glass, would do. Since these castors are mostly used for heavy loads, they exert plenty of friction on the surface. Therefore, they need not be rough to function properly. Impact it will be exposed to If the vehicle will be subjected to high impact with ground surfaces, it would be best to find castor wheels with tough and resistant material. For instance, cast iron wheels are commonly used for industrial dumper bins due to their hardness. Moreover, you may also go for nylon glass reinforced castor wheels, whose material has been reinforced to withstand high impact situations. Control For more control, the best solution would be a swivel castor. It has a swivel joint that allows the wheel to roll in any direction, thus enabling you to make tighter turns. In addition, you may also opt for braking and locking castors. These allow you to control the speed of your vehicle and can be useful when you need to keep the vehicle stationary. For more information about your options for castor wheels, contact a local...

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Precautions to Take When Replacing a Worn Hydraulic Hose

Posted by on Nov 20, 2015 in Uncategorized |

Over time, hydraulic hoses from companies like Hose Mania in industrial machinery can wear out and start leaking. Such signs of wear can reduce machine efficiency. This makes it necessary to replace those hoses before they pose safety risks to employees. Read on and discover some important precautions that you should take as you perform your first hydraulic replacement task. Disable Any Attachments Supported by the Hydraulic System It is important for you to lower any equipment attachments that rely on hydraulic power to operate. For instance, you may wish to replace a hose that supplies lift equipment with hydraulic fluid. The attachment supported by the hydraulic system may come crashing down on you if you remove the hose that had the pressurised fluid that kept the attachment suspended. That is why you need to lower that attachment before you attempt to replace the damaged hose. Prepare to Catch Spilling Hydraulic Fluid Have you ever been drenched by a torrent of used hydraulic fluid? You don’t want to experience what it feels like to have all that fluid on your body. Avoid this unpleasant experience by relieving the pressure in the machine that uses the hydraulic fluid transported by the hose you wish to replace. Use the manual to find out where the pressure relief valve is found. Next, get a bucket and direct the end of the hose that you have just removed towards that bucket. This will channel all the residual fluid into the bucket. Continue with the replacement process once all the fluid has drained out. Plug the Fittings and the Hose Some people only plug the fittings (such as the hydraulic valves which are exposed after you remove the industrial hose) where the old hydraulic hose was. They forget to plug the ends of the new hose. This oversight can expose the hose to contamination by dust and other forms of dirt during the process of routing it through the machine until it reaches its position. Use the cap that came with the hose to plug the end of that new hose. Alternatively, you can tie a clean rag on the open end of the hose so that dirt is prevented from getting into the hose. Each piece of equipment has a manual that details how a hydraulic hose should be replaced once it wears out. Follow those guidelines, as well as the tips above and you will soon be adept at conducting industrial hose...

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Questions to Ask About Hiring a Shipping Container

Posted by on Oct 30, 2015 in Uncategorized |

Renting or hiring a shipping container can give you the shipping options you need without the expense or hassle of maintaining your own container or finding storage for it when it’s not in use. It’s also typically the best choice for one-time rentals and companies that don’t use shipping containers very often. Before you decide on a container or a container hire company, note a few questions to ask and consider so you know you get the right choice and use the container properly. 1. Ask what was shipped in the container most recently Some shipments may leave very strong, foul odors in a shipping container and the items you’re shipping may tend to absorb those odors during shipment. Note however that most foodstuffs may not leave an odor since they need to be frozen or packed properly so they don’t rot during shipment, and in turn, they may not leave behind bad smells. Furs, certain feed or grain, and items like these are often the most offensive when it comes to bad smells, so be sure you ask about previous shipments and about their policy of returning the container if it does arrive with a bad odor inside. 2. Note the ground surface on which the container can be stored Not all containers are good for storing on soft ground as they may be so heavy that they tend to sink in. If your facility doesn’t have a concrete slab on which you’ll store the container while it’s being loaded, ask about a lightweight aluminum or plastic or another option that is better for the ground surface that is available. 3. Consider the clearance needed for doors You need to ensure you choose a shipping container that fits your property including the clearance needed for swing-out doors. If you do not have enough clearance for the doors to open fully and fold back all the way against the container without obstruction, ask about a container with a rollup door instead. Even if these are more expensive to rent, you may need it to ensure you can easily access the container. 4. Ask if you need a permit to keep the container on your property If you’ve never rented such a container before, you can ask the rental agency for assistance in this area. They will usually be familiar with your local regulations about permits, if needed, and can help you with this paperwork so that you have it available when the container...

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What makes timber staircases the right choice for your interiors

Posted by on Oct 15, 2015 in Uncategorized |

Timber staircases, being available in enormous styles and designs, can manage matching with both of the traditional and modern interiors of your house. Their presence not only provides a unique look to your place, but also makes sure that your status symbol remains flawless before guests, relatives and friends. These staircases, when professionally installed, can affect the entire appearance of your home for the better. You should install a timber staircase in your home because of the following reasons. 1. Quick Fix to Remodeling There are times when you might be totally bored with that same old appearance of your home. While focusing on big things like wall painting and purchasing new furniture and spending too much money on renovations, many people tend to forget how easy it can be to simply give the entire home a new look by installing timber staircase in the desired place. This approach can be implemented successfully by selecting your favorite pattern that will complement your home interiors well. 2. Creates illusion for narrow spaces It develops an illusion of sufficient space in the surrounding areas, therefore minimising the scope of annoying room constraints. Its elegant look will transform even those narrow lobbies into spacious ones. So, you can flaunt your interiors by making these wooden stairs an important part of your home. 3. Long-lasting timber Timber, being a natural resource, is known as a long-lasting material. Because of its long-lasting nature, you will have to spend less on its maintenance. To give that classic touch to your stair case and modify its look after some years, you can try covering it up with a fine colored carpet as well. 4. Fits to almost every home Whether your house is too big or too small, timber staircases fit in almost every home. People often have misconceptions regarding their hefty sizes and weights. Surprisingly, in the presence of huge variety of their shapes, textures and sizes, you are given the authority to choose the one that meets your requirements. No matter where they are installed, they will certainly add to the aesthetics of your home anyhow. 5. Minimum Maintenance and affordability Another advantage of installing these staircases is that they require minimum maintenance. A genuine brushing routine will keep them clean and stainless. Any person who is fond of bringing that contemporary look to their home can certainly spend money on purchasing these low-cost stairs. These natural staircases are never going to burn a hole in your...

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Noise Making Refrigerators: How To Deal With Sounds Made By Refrigerators

Posted by on Sep 25, 2015 in Uncategorized |

If you feel like you are  losing your mind because you hear strange sounds coming from you kitchen in the middle of the night, it’s not you.  The culprit could be your refrigerator. Sounds generated by refrigerators can be quite annoying, and until recently, manufacturers and scientists alike were also baffled by some of these sounds. Here are the most common sounds that emanate from a refrigerator and how you can deal with them. Cracking Sounds According to Dr Hasan Koruk, a mechanical engineer, these sounds are generated by the expansion and contraction of fridge components; as the temperatures of the components fluctuate, they cause stress on the components, and hence the expansion and contraction. The heater panel in particular is the main source of the cracks. Therefore, by changing the panel to a more appropriate design, you can minimize the rapid temperature fluctuations, and thus, the expansion and contraction processes. For instance, changing your heater panel to one that has stiffeners and ribs can dampen the sound that it generates. Squealing and Chirping Sounds These noises come from the inside of the refrigerator and are associated with motors of the cooling fans. You can carry out a simple test to determine where the problem lies by opening the door of your refrigerator and holding down the fan switch. If the sound persists while holding the switch, the problem might be a defective fan motor. Another test is to take the evaporator cover off – the cover is usually located at the bottom or the back of the freezer. You should have a clear view of the fan once the cover is off, and you can easily determine what the source of the noise is. If the fan is defective, the best remedy is to have a technician change the fan for you. Buzzing and Clicking Sounds These sounds originate from the outside of the refrigerator, where most moving parts are located. The condenser fan is the major cause of these sounds. It accumulates lint and debris that make the sounds, and hence it should be your main concern. A technician can locate the condenser fan and clean it with specialized equipment. But at times, there could be nothing wrong with the components of your refrigerator. The sounds may be due to ice collecting around the shroud of your evaporating fan. When the blades are rotating, they strike the ice and generate noise. Check for ice around the fan and take them out. Remember that the evaporator cover is either at the back or at the bottom of your...

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Using Solar Bore Pumps to Your Advantage

Posted by on Aug 27, 2015 in Uncategorized |

Solar bore pumps are extremely beneficial in Australia, because the climate revolves around hot-sunny weather, which is precisely what solar panels need to operate. As a homeowner, having a dependable system that requires very little maintenance and essentially runs itself on your behalf means that you will have the peace of mind of not worrying about the cost or performance of your equipment. Here are ways you can take advantage of a bore pump system and more details on how they work. Benefits solar bore pumps offer. Installation is very simple, with the solar powered system needing only a motor, bore pump, and photovoltaic array. The array is mounted in a fixed position to increase pumping volume at a faster rate than if the array were not mounted. The bore pumps are often the most expensive aspect of your system, however, because they come in a range of sizes and powers, homeowners have the ability to find a pump that fits their specific needs. These systems are designed to last you at least two decades of reliable pumping. When beginning your search for a solar bore pump system, you’ll want to consult an experienced professional that is knowledgeable with the power, size, durability, and pumping volumes of numerous pump models. They should be able to help you, whether you’re a farmer, business, or simply a regular homeowner interested in having an eco-friendly system that saves you money. How they operate. Solar bore pumps are actually very straight-forward in their operation, with the solar panel array drawing its power from the sun, which in turn powers the motor, and then the motor powers the bore pump. Each pump is built near a stream or underground water source that is constant. As the pump is powered, the water is drawn from your local water source and pumped into a storage tank on your property. Because this method does not require any energy from utility companies and is entirely self-sufficient, you will not need to worry about large monthly bills should your water consumption fluctuate. This is a great benefit to farmers and businesses who consume a great deal of water each month. How you can save additional money. The government rewards home and business owners for energy-efficient systems that help save money on both the initial cost to setup the systems and also in monthly, quarterly or annually savings. These rewards are referred to as renewable energy certificates. When you purchase your systems, ask your provider about the renewable energy certificate program to enroll and get discounts upon...

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Precautions to Take When Welding Aluminum

Posted by on Aug 7, 2015 in Uncategorized |

You may be wondering whether you can weld aluminum in the same way as you weld steel. This question is particularly common among new welders who taught themselves welding so they may not have a very good understanding of the different metals they come across during their fabrication activities. This article discusses some precautions that you should take if you are going to weld aluminum: Clean the Material and Weld Area Aluminum is highly reactive so you need to take extra caution to ensure that there is nothing in the environment to react with the metal as you fabricate a product out of it. For instance, you need to use a degreaser to clean the aluminum thoroughly so that it is free of surface contaminants. If you are unable to weld immediately then cover the surface (with heavy brown paper, for example) so that it is not contaminated. Tag All Welded Aluminum Another unique thing about aluminum is that its surface appearance never changes when it heats up. Consequently, you may be at a higher risk of injuries due to burns if you do not label the materials that you have just welded. You can tag the freshly welded aluminum as “HOT” so that you do not touch it accidentally (thinking that it has not been heated). Wear Protective Wear All the Time The surface of aluminum is very reflective so light easily bounces off its surface. This puts your eyesight and other exposed body parts at high risk of sustaining injuries due to that intense reflected light. Always wear welding goggles at all times so that this reflected light does not damage your eyesight. Thick overalls can also protect your skin from damage by this light. Heavy gloves will protect your hands from the intense heat in the aluminum since aluminum is several times more conductive than steel. Adjust How You Hold the Weld Torch Cleaner welds result if you move the torch away from you as you weld rather than towards you. This technique is good because you will be welding into the shielding gas that surrounds the torch flame. Welding towards you makes the torch miss the benefits of the shield gas and that produces weld seams that have visible heat zones in large areas around them. Use the tips above to improve your skills in welding aluminum so that your work is flawless and you remain safe during the metal fabrication process. Contact a company such as A.J.C. Electrical Service Pty Ltd to learn...

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Why Use Precast Concrete?

Posted by on Jul 20, 2015 in Uncategorized |

Precast concrete is a construction product that is cast in a reusable form, which is cured in a controlled environment and transported to the construction site where it is to be used. Precast concrete can be used in construction of almost anything. Why should you choose precast concrete for your construction needs? Here are some benefits that is offers. Fast construction Precast factories have full time specialists in production of precast concrete, finishing, curing and handling. This ensures fast construction since the precast iron is cast and transported to the construction site as required. On-site casting might slow down work and the required specialists may not be available to undertake the processes. Versatility Factory production of precast concrete allows a wide choice of color range, surface finishing and customized shapes. Precast concrete is easily molded, enabling designers to include classical details such as keystones or match the finish of materials such as weathered stones. Textured and patterned precast concrete surfaces can provide pleasing appearances to buildings and structures. Durability Concrete is commonly used where structural stability of a building is to be maintained for longer periods. Factory produced precast concrete is manufactured by experienced workers using specifically designed concrete mixes that offer tighter tolerance and durability. With effective design, precast concrete structures can last for a very long time without constant renovations or maintenance. Safety Concrete does not burn. This makes precast concrete a good choice for commercial and apartment building. In case of a fire, concrete does not allow its spread to other parts of the building or from one building to another. Concrete is sufficiently strong to resist impacts, blasts and natural catastrophes such as floods and earthquakes. Cost effectiveness Concrete is an inexpensive and locally available material that can be easily cured in the factory to produce precast concrete. Repair and maintenance costs of buildings and structures made out of precast concrete are relatively low. Precast concrete is suitable for contractors who want affordable and high quality material for construction. Environmental sustainability With increased awareness on the need to use environmentally sustainable construction material, the use of precast concrete is the best bet for construction. Made of natural raw materials such as sand, cement, gravels and stones which are available almost everywhere, precast concrete minimizes negative impact to the environment compared to other construction materials. There are no toxic substances used in the production of precast concrete and it can be recycled without environmental pollution concerns. Structures and buildings made of precast concrete are more economical, versatile, sustainable and safe compared to other conventional construction systems. Learn more about the advantages by contacting companies like Cope...

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