Metal Casting Zone Info Blog

Posts Tagged ‘Metal’

This was an experiment to see if carbon dioxide produced with vinegar and bicarbonated soda could be used to harden a sodium silicate sand core.
The result was a success and is a cheaper alternative to buying bottled CO2.

This casting needed a core to produce the required shape. The core could only be supported at one end so a cantilevered one was used.

Precision Ferrous Castings and its Benefits

Casting is the industrial manufacturing process in which liquid material is purred in to mold for making desired shapes. Through casting process you can develop giant industrial parts, auto component parts, ornaments, aerospace parts with ferrous and non ferrous metal. Generally there are two types of metal like Ferrous and non ferrous metal are widely used for castings products manufacturing. Ferrous metals contains irons and they are magnetic and gives some resistance to corrosion therefore they are widely used for making big industrial parts. Find here some ferrous metal which are widely used by investment casting foundries in India

Mild Steel: It contains 0.15 to0.30% carbon and having high tensile strength, ductility and used for girders, plates, nuts and bolts.
High Speed Steel: – It includes Medium carbon, tungsten, chromium and vanadium and its remains hard in high temperature and widely used as cutting tools for lathes machine in metal industry
Stainless Steel: – It contains 18% chromium and 8% nickel therefore corrosion never place in this type of metals. And it’s widely used in kitchen draining boards, pipes, cutlery and aircraft. Many castings foundries in India used stainless steel for steel castings manufacturing
High Tensile Steel: – It contains low carbon steel, nickel and chromium and used for making auto parts components such as gears, shafts, engine parts etc.
High Carbon Steel: – It contains 0.70% to 1.40% carbon and used for making chisels, hammers, drills, files, lathe tools, taps and dies.
Medium Carbon Steels: It contains 0.30% to 0.70% carbon. It is stronger and harder then mild steels, and also it is less ductile, tough and malleable. Investment castings manufacturers in India used for making metal ropes, wire, garden tools, springs
Cast Iron: – It is hard and contain small amount of scrape steel with iron and widely used for making auto parts castings, machined castings, machine tool parts, brake drums, machine handle and gear wheels, and plumbing fitments etc.

Also I would like to solve confusion, generally people thing ferrous casting is one type of process like investment casting, die casting its right but ferrous casting means casting process used ferrous metal for investment castings, steel casting manufacturing.

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Wrought Iron Railings for Home or Office

The beauty and durability of wrought iron railings has been proven over many centuries of use. Its history began in the middle ages when foundries across Europe used various methods to form the malleable metal. The fact that it is durable which and will give instead of breaking, like cast iron, give it the properties needed for the uses found. Balconies, handrails, ornate gates, or entry doors have been fashioned of wrought iron.

The uses of the metal call for a vast array of design possibilities. Ornate structures that serve both as a door, for instance, as a coat of arms. The strength of the metal gave it the ability to be used as a fortress against attackers. To this day, it is a respected part of a security fence system in some of the finest homes across the world.

While there are no more producers of wrought iron, there are still companies who form beautiful iron gates or other products using old scrap iron, which is enough to meet the demand. Restoring authentic historic buildings often require the use of the metal.

Modern uses of wrought iron include railings, beds, wine racks, furniture, tables, doors, table lamps, mirrors and of course, gates. Prices may vary quite a bit, depending on the amount of artistic details and the fame of the artist being hired to fabricate the work desired. The more ornate, the more time is needed but custom orders may offer a unique beauty, at a price, of course. Wrought iron railings offer the quality of being fashioned along a winding staircase in graceful curves accentuating the shape of the stairs. This promotes an elegant architecture in large homes or government buildings with plenty of space.

The durability of iron is without question. It will easily last a lifetime needing only a paint job every 3 or 4 years. When an iron fence is set outside in concrete, there is often more problems with the settling ground and worn concrete instead of the iron. With some cleaning, new concrete can be poured using the same wrought iron fence. While dismantled, the iron could be sandblasted, primed and painted as desired.

When working at ones home, there may be some who are of the “do it yourself” mold. Some wrought iron projects are perfectly suited for this type of individual, especially if they are familiar with concrete, have a strong back and are artistically inclined. Information on such projects is available online through various web sites that may offer materials needed.

Finishing a wrought iron railings project will bring the satisfaction in knowing that it will last for the rest of ones life. That combined with the fact that it will never have to be done again, unless an artistic change is desire. Plan well and enjoy.

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Things you need to know with Your Wrought Iron Chandelier Lighting

Iron and steel are really much cheaper compared to wrought iron. But did you know that dating back to the early 13th century wrought iron has been used for gates and erecting barricade because of its durability? The castle of Westminster Abbey in London is a good example. Today they are still prevalently used for durable kitchen implements like saucepan racks, baker’s racks, wine racks. They are also used for decorative purposes like candle holders, small wrought iron chandelier, and curtain rods. And of course for gates, desk and bed bases, bar and bar stools due to their durability.

According to past accounts, when we refer to “iron” of the Western history, we are essentially referring to the wrought iron. Cast iron which was introduced in the 15th century was the competitive alternative since it was much cheaper. But because of its fragility it was solely used for small purposes and still some individuals still went for the use of wrought iron. “Wrought” as in “to wreak” is the exact meaning in the term “wrought iron”, therefore is synonymous to “worked iron” and, according to previous accounts, has been used as standard commodity by English people. Blacksmiths toil laboriously in order to “work” the iron and in between 17th to 19th century several forms and variants have been created for various purposes.

But, since wrought iron is not ductile, as in ineffective for welding or forging like steel and cast iron, its industry has slowly declined and finally in the 1974, the last surviving ironworks in Britain closed. Nowadays what we can buy like cheap Small wrought iron chandelier and other wrought iron wall decors in the furniture shop are apparently made from cast iron or mild steel. It is because these kinds of alternative materials are low-cost and less arduous to work on. The genuine wrought iron however that we can purchase is made from leftovers of “real” wrought iron. So when we order your home décor check that you know what type of material you are paying for.

Wrought iron for the use of lighting furniture is usually used as metal frameworks. For its handicraft and glamour, as well as because of its beautiful metal finish, it complements admiringly with any glass and crystal commonly picked as chandeliers and sconces. In other uses such as 17th century houses and churches, we can look at wall decors and wall frame made from wrought iron. The real wrought iron is essentially heavy and costly. One can readily purchase them in high-end retail shops and antique outlets.

Reasonably priced wrought iron chandelier however does not indicate poor quality and aesthetics. They mostly look similar but are mostly much lighter compared to the authentic wrought irons. In purchasing these kinds of home decors most significantly one has to ask the salesperson how to appropriately care for them. At times each type of metal finish needs a different kind of maintenance. To avoid metal tarnish that cannot be restored, one has to know what or what not to apply on the metal works.

This is a set of automated hand forged Wrought Iron Gates hot riveted. Manufactured by Scobie McIntosh. (Sydney) www.scobiemcintosh.com.au Gates have been hot dipped galvanised then painted with a paint to give the apperance of rust. (paint has iron filings in it, so when you apply a mild soloution of acid the paint the paint finish rusts. Then a sealer is applied to prevent rust stains from dropping onto the sandstone floor.) The motors for the gates are “FAAC” Model # 391. (they are the quietest motors that I have ever fitted) each gate weighs 180 KG.
Video Rating: 0 / 5

Foundry: Metal Casting

Metal casting is what the name suggests. Basically metal casting is the process of melting down metal into a liquid state. The liquid metal is then poured into a cast; this cast allows the metal to cool creating the desired result of the intended mould or specific item they wish to make out of metal. The finished product is then sent off to be polished up and ready to be distributed.

Metal casting is used for more “tailor-made” areas of manufacturing metal products which would generally cost a whole lot more if they had to be machined welded. A great aspect of Metal casting is that it also allows the ability to re-create the same product with great ease and they products are identical of one another.

The most important and integral part of metal casting is the mould. The mould is essentially what the product is going to be. These moulds are manufactured in a foundry. Manufacturers take their dimensions, sketches and ideas for the mould to the foundry where the moulds are produced. These moulds then get sent off to the casters. Casters put the completed mould into a back up frame that contains cooling apparatus. The melting down of the metal happens in a very particular place in the foundry. When the mould is done and is ready to be cast, casters move the liquefied metal over large machines and equipment above the mould, this equipment helps the liquefied metal flow down into the cast. This equipment also monitors the rate at which the liquid metal flows into the cast. The cooling equipment then cools the metal down allowing the metal to harden and become a solid state. The castings are now removed and the product is now ready to be cleaned.

Metal casting isn’t the easiest process on the planet and problems can occur during the casting process. Pollution is a major problem worldwide, but in terms of metal casting, this can also have an effect on the metal. If the metal, in its liquid state is exposed to forms of pollution this will cause imperfections within the metal itself, thus when the metal is solidified it can cause weak spots and thus when the cast is removed from the mould, the cast can break. Not only can the casting become affected but the mould too. Gas bubbles can also form after the cooling process which will also cause the metal to become brittle and could possibly even show signs of bubbles on the metal itself. If there is malfunction or something goes wrong in the cooling process the cast could harden before all the metal fills the mould which will lead to deformations within the cast.

Some metal casting processes can be easily carried out by hobbyists and enthusiasts within their own chambers of work and don’t necessarily need to take place within a foundry.

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Rings Fine Jewelry Using Marking to Value Your Precious Piece

The moist popular metals used for jewelry are platinum and gold alloys. These are also traditional metals used for wedding jewelry. You can also go for other modern choices of metals such as titanium; stainless steel and tungsten carbide. All you require making sure is that these metals are tested for purity.

A number of online jewelers specialize in religious and spiritual jewelry. Rings and pendants with crucifixes, patron saints medallions, and Stars of David are constant reminders of one’s faith as well as indicators of one’s religious values. Many wearers, men and women alike, never take them off. More spiritual than religious are angel charms, lapel pins, and medals.

If you buy quality jewelry, you’re not going to shatter it anyway. Only cheap bracelets and necklaces break easily. Good materials are made to last for years. Charms can now be secured by a special clip system, so that you don’t lose them when you take your jewelry off. They are simply too special and evocative to lose.

Which jewelry, some of you may ask, can be categorized as “fine” jewelry? A bangle made out of brass may look just as “fine” to you as one made out of gold. Plainly speaking, fine jewelry may be defined as jewelry made out of precious metals such as gold or silver and set with precious or semi-precious stones. However, this is neither a final definition nor an absolute one. It conveniently leaves out the finest jewelry of all times, platinum jewelry. Also, it is not always necessary that the precious metal should be set with diamonds or other stones to be able to qualify as “fine” jewelry.

Although it’s easiest to shop online for wedding rings, it’s important to know your online jeweler. Most jewelry websites that specialize in wedding rings will provide information about their experience. Each jeweler will carry a collection of rings from which to choose. Gold and platinum remains the most popular fine metal for today’s rings. So, the market for bands and rings is readily available.

A wedding band with an unusual design or custom setting also increases in value. So cost may not always be the determining factor in the purchase. In addition, an older wedding ring can be updated for an anniversary quite easily. Giving an original band or ring a new look is a wonderful anniversary gift. This is a particularly nice aspect of today’s markets in wedding jewelry. Don’t forget that even a very old ring or one that no longer fits can be altered for dazzling pins or pendants.

The Manufacturer offering this exciting new technology has made it decently affordable considering what you get, 2 or three Fine Jewelry Pieces wearable on a Daily basis or as a night on the town Stunner. The use of Precious Stones like Emerald and Ruby was very exciting and most are cast in 18K Gold taking this line to the luxury Jewelry Category but we all need a little luxury.

It is best to spend more money on fewer pieces of fine gemstone jewelry, as it will always be in fashion. Gemstones in every color imaginable will beautifully accessorize your clothing, and you might even begin your own collection of fine gems.

Jewelry Designer Eric Marlow demonstrates “lost wax casting” by constructing a ring and casting it in silver.
Video Rating: 4 / 5

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Not the best quality video on metal casting, but the info is good. Worth your time watching if you love metal casting like I do.

THIS IS THE FIRST PART IN A SERIES ON WHITE METAL SPIN CASTING.

HOW TO MAKE A SPIN CASTING MOLD.

PART B3 ON MOLD MAKING FOR SPIN CASTING