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Precision Turned Components, Brass Fittings, CNC Turned Parts Manufacturers
Manufacturers of Precision Turned Components, Brass Fittings and CNC Turned Parts
We welcome you to the world of DEEP RECYCLING INDUSTRIES. A company with a vision to
produce Precision Turned Components , Brass electrical, neutral links, terminal bars,
for the global market.
We at DRI in a short span have made inroads into the world market.
What we do best is help you. As a global leader in the manufacture and export of micro precision
Brass Fittings and CNC Turned Parts, we work very closely with some of the leading consumers
and suppliers of Brass INSERTS of the world using our expertise to improve performance with innovative,
value added products.
Tubes still perform uniquely or better than semiconductors in several applications:
"At high frequencies, copper is 30% to 40% more efficient than aluminum in wave-guides." That's according to G. Scott Ackland, manager of engineering services for Antek in Frederick, Maryland. Its wave-guides conduct the UHF frequency signals inside satellite earth stations. "We rarely use any material other than oxygen-free, high-conductivity (OFHC) copper. Sometimes we fabricated with bronze because that's what the military specifies," says Ackland. Besides its higher Antek because it's easier to fabricate. Kevlin Microwave Corporation also uses OFHC copper for the central conductor in radars, according to John Rice, sales manager for the Wilmington, Massachusetts-based manufacturer. The coupler is the component that conduits the signal from the fixed wave-guide to the rotating board or ground-based radar.
The vast majority of electron tubes are now made outside the U.S., mostly in the Far East. The inexpensive magnetrons that power microwave ovens are all made in South Korea, which is also a major source for CRTs used in TVs and desktop PCs.
For centuries, bronzes have played a major role in combating friction. And bronze bearings continue to hold their own, in spite of long-time competition from ball, sleeve and roller bearings made of steel - and even those bearings may require bronze retainer rings.
Until early in the Industrial Revolution, bearings for vehicles and mechanical equipment were made of hardwoods. As more massive and faster-moving machinery was created, a stronger, longer-lasting bearing material was needed. Various bronze alloys were developed and are now used to make bearings in enormous variety for equipment from giant earth movers to kitchen blenders.
There are two basic ways to make bronze bearings: casting and sintering. Basic forms include: cylindrical sleeves or flanges; flat, donut-shaped thrust bearings; or disk-shaped bearing plates. Solid cast bearings are made from a variety of bronzes. For very demanding applications, William E. Austerberry, vice president of the National Bronze Mfg. Co., Detroit, recommends C95400, which contains 10% to 11.5% aluminum. This tough bronze has a tensile strength of 100,000 psi, nearly that of steel. It is also acid resistant. Although C95400 is very hard, hardened steel is slightly harder, so that the bronze is sacrificed, or worn, first. Parts that are either costly or difficult to replace are protected by these comparatively inexpensive bronze bearings which are expected to wear out over time and to be replaced periodically.
For less demanding applications, less costly C93200 is commonly specified. For applications involving high loads but low speeds, C90300, a tin bronze, referred to historically as Navy G, is recommended. "This strong material can stand repeated pounding," says Austerberry.
If corrosive salt water is present, then C92200, a medium-strength, free machining bronze that offers good brazing qualities, is the alloy of choice. Salt water will not corrode it. Where lubrication is doubtful, designers usually specify C93700, a general purpose bronze that offers low friction. It has good bearing qualities and can resist mildly corrosive acids, according to Austerberry.
C94500 is specified where lubrication may fail altogether; it contains 20% lead. Because it has a Brinell hardness of only 50, compared to 175 for high-strength C95400, it provides excellent conformity that corrects for minor misalignments.
Solid-cast bearings and bushings are often grooved by machining so can retain the lubricants needed at the surface bearing the load (See photo). The grooving varies depending on the shape of the bearing and the load conditions. Grooves are either circular, straight, looped, or in the shape of figure eights or double figure eights. The lubricants are either graphites pressed into the grooves under great pressure or mineral or petroleum-based oils flowing continuously. Graphite lubricants will usually last for the life of bearings.
A variety of powders are compacted with bronze into sintered bearings, according to Dr. Vyacheslava Styskin, head metallurgist for the Wakefield Corporation, Wakefield, Massachusetts. There are even sintered bearings made entirely of iron. 'Although sintered iron bearings are stronger than all bronze bearings, the latter are superior for high-rotation-speed applications, such as in machine tools," according to Lee Sacks, general manager of Maryland Metrics, Baltimore. All the bearings from this vendor are made in metric rather than conventional sizes for manufacturers who export machinery or who use metric based machinery.
Sintered bearings don't require grooving because the lubricant is absorbed into the pores between the sintered groups of powder by vacuum impregnation or hours long immersion in hot oil. In general sintered bearings are used in lighter, shorter-product-life applications, such as desktop computer printers. Some sintered bearings are used dry in light-duty applications, according to Austerberry.
Lower-cost bimetal bearings with thin layers of bronze at the wearing surface are generally specified by cost-conscious engineers, such as those who design mass-produced items like auto engines, says Austerberry.
Low-friction ball and roller bearings with their many steel parts are more expensive than bronze bearings. Nevertheless, bronze plays an essential role in larger, heavy-duty ball or roller bearings; the retainer rings that hold the balls or rollers in position a-re made of bronze.
According to John Williamson, a salesperson with the Frank Tracy Company, New York, a major distributor of many brands of bearings, bronze is specified over steel for retainers because of its superior thermal characteristics in high heat environments.
National Bronze obtains its bronzes from a variety of sources, including Ampco, Bunting and Concast Metal Products. In addition to finished bearings, National Bronze also sells bar stock to a very small number of customers who make their own bearings.
Besides cutting costs, high thermal-conductivity copper alloys offer these advantages in molding:
In molding, copper alloys are replacing the commonly used mold steels, such as Type 420 stainless steel, because they have thermal conductivity three to nine times higher. Yet, the alloys are hard enough to meet the wear requirements of manufacturers aiming for high production rates of injection molded parts.
For instance, "high hardness copper beryllium, C17200, has a Rockwell hardness of C41, approaching that of steels. Wear resistance is often associated with hardness in the toolmakers' mind. Copper alloy have been shown to provide hundreds of thousands of production cycles.
Because wear resistance is more of a surface hardness phenomenon, a number of coating systems provide hard surfaces which extend the life of copper alloy molds - giving the best of both worlds: excellent heat transfer and good wear resistance.
The copper alloys, which include the nickel-silicon chromium-hardened high strength, high-conductivity alloy, C18000, developed by Ampco Metals, are commonly used in the creation of very large components by injection molding.
A copper be beryllium alloy used to make the molds for injection molding of the polypropylene bumpers for Renault in France was supplied by Brush Wellman, according to sales manager J. Scott Smyers. A number of U.S. suppliers are producing and stocking the copper berylliums and the C18000 alloy in both rod and heavy plate forms.
Molds often include a core to shape the parts and to speed cooling. Cast C82500 copper beryllium is an option for these cores. Sometimes, copper cores are used with steel molds, according to Truman Moore, president of TriCast Corporation, Crystal Lake, Illinois, which fabricates copper-alloy molds and their parts by a liquid casting process.
An industry task force under the auspices of the Copper Development Association has been introducing this array of advantageous alloys to the plastics industry for the past two years at trade shows, technical symposiums and at manufacturing sites throughout the U.S.
Wedges, lifters and slides are other required parts for molds. They are often made of aluminum bronze alloys C61900 and C62500. Pins and cores are often fabricated from nickel-silicon-hardened alloy, C64700.
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Manufacturing Electrical Parts like Brass Neutral Bars, Earth Bars, Brass Terminal Blocks, Switch Gear Parts, Brass Neutral Links, Inserts
Copper (pronounced /ˈkɒpɚ/) is a chemical element with the symbol Cu (Latin: cuprum) and atomic number 29. It is a ductile metal with excellent electrical conductivity and is rather supple in its pure state and has a pinkish luster which is (beside gold) unusual for metals which are normally silvery white. It finds use as a heat conductor, an electrical conductor, as a building material, and as a constituent of various metal alloys.
Copper is an essential trace nutrient to all high plants and animals. In animals, including humans, it is found primarily in the bloodstream, as a co-factor in various enzymes, and in copper-based pigments. However, in sufficient amounts, copper can be poisonous and even fatal to organisms.
Copper has played a significant part in the history of mankind, which has used the easily accessible uncompounded metal for thousands of years. Several early civilizations have early evidence of using copper. During the Roman Empire, copper was principally mined on Cyprus, hence the origin of the name of the metal as Cyprium, "metal of Cyprus", later shortened to Cuprum.
A number of countries, such as Chile and the United States, still have sizable reserves of the metal which are extracted through large open pit mines. However, like tin, there may be insufficient reserves to sustain current rates of consumption.[1] High demand relative to supply has caused a price spike in the 2000s[2].
Copper also has a significant presence as a decorative metal art. It can also be used as an anti-germ surface that can add to the anti-bacterial and antimicrobial features of buildings such as hospitals. [3]
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Copper Bonded Earthing Rod & Hot Dipped Galvanised Earthing Rod
9) BRASS TERMINAL BLOCK ( I & H OR CUSTOMISED AS PER DRAWING), TERMINAL CONNECTOR, AERIAL ROD, MULTIPLE POINT, TERMINAL BASE, B BOND, C TYPE CONNECTOR, CLAMP A TYPE FOR ROD DIA 12 MM, CLAMP B TYPE ROD TO TAPE, CLAMP C TYPE FOR ROD TO CABLE LUG, CLAMP C TYPE FOR ROD TO CABLE, CLAMP FOR CABLE WITH 2 BOLT, PARALLEL CLAMP WITH 2 BOLT, COUPLER, DCTAPE CLIP, EARTH PLATE 2 HOLE, EARTH PLATE 4 HOLE, JOINTING CLAMP, LUG WITH 2 BOLT, LUG U BOLT TYPE, OBLONG TEST CLAMP, POLE TYPE TERMINAL, RAIN WATER PIPE BOND, SCREW DOWN TEST CLAMP, SQUARE TAPE CLAMP
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n the softened or annealed condition, the brasses are ductile and strong but when hardened by cold working techniques such as rolling or drawing, their strength increases markedly. Strong, stiff structures can be assembled from extruded-and-drawn sections. Bars and rolled sheet and plate can be fabricated into containers and other items of plant which work under pressure.
The strength of brasses is substantially retained at temperatures up to around 200oC and reduces by only about 30% at 300oC which compares favourably with many alternative materials.
The brasses are very suitable for use at cryogenic temperatures since the properties are retained or slightly improved under these operating conditions.
There are many factors, sometimes overlooked, that contribute to low costs of brass components.
Close tolerance manufacturing techniques can be employed so that finishing costs are minimal.
Tooling costs may be significantly lower than for other materials or processes.
Ease of machining means that production costs can be minimised.
The good corrosion resistance of the brasses means that the cost of protective finishing is lower than for many other materials.
In addition to these benefits the high value of any process scrap can be used to reduce production costs significantly.
The long service life normally expected of well-designed brass components means that the costs of service failures are minimal.
| Chemical Formula: | Cu3Zn2 |
| Composition: | Molecular Weight = 321.42 gm |
| Zinc 40.69 % Zn | |
| Copper 59.31 % Cu | |
| ______ | |
| 100.00 % | |
| Empirical Formula: | Cu3Zn2 |
| IMA Status: | Not Approved IMA |
| Synonym: | Laiton |
| Messing Brasspartfittings.com/blog |
Manufacturer and Exporter of Fire Extinguisher, Cable Glands, Electrical Parts, Fasteners, Moulding Inserts, Brass Turned Parts, Smoking Parts, Surgical Parts, Agriculture & Spray Parts, we work very closely with some of the leading consumers and suppliers of Brass Fittings of the world using our expertise to improve performance with innovative, value added products. deep recycling industries |
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| Brass Components |
 Brass is an alloy of copper and zinc that has unique and beneficial properties for a wide range of engineering and building applications.Brass is often the first-choice material for electrical, precision, and general engineering equipment. It is usually specified for its strength, ductility, hardness, conductivity, machinability, wear resistance, color, and corrosion resistance. Its high ratings for machinability sets the standards by which other materials are judged. The addition of small amounts of lead further improves machinability. The availability of brasses in precise shapes such as extrusions, hot stampings, drawn tubes, and die castings eliminates much of the machining costs required to produce finished components. There are over 40 standard compositions for brass, with copper contents ranging from 58% to 95%. Small additions of other alloying elements are used to modify the properties of brass to meet specific applications. Brass is the preferred material in many engineering and building applications for the following reasons: - Brasses often offer better and longer service performance than other materials. - Brasses have excellent resistance to corrosion. Outdoor exposure results in a thin protective green patina that is a visually attractive feature in buildings and other structures. - Brasses have superior electrical and thermal conductivities to ferrous alloys, nickel alloys, and titanium. Their high conductivity combined with corrosion resistance makes them ideal for electrical equipment. - The presence of lead in brass has a lubricating effect that provides low friction and low wear properties. This improves the functioning of clocks, gears, pinions, and plates. The addition of silicon in brass is ideal for resisting wear in heavy duty bearings. - Since brasses do not spark when struck, they are common materials in hazardous environments. - Brasses are readily joined to other copper alloys or to other metals by most commercial joining processes, such as riveting, soft soldering, silver brazing, and friction welding. - Brasses exhibit excellent cryogenic properties. - Brasses are ideal substrates for electroplating and painting. - Brasses are highly recyclable. There is substantial demand for scrap , which is eventually recycled into refined brass and copper products. - Brasses are frequently the cheapest material to select. - Brasses can be easily cast to shape. |
 | Manufactured in Natural / Tinned Brass, allows earth conductor termination, or live conductor termination with a suitable fully insulated housing. |
India's largest exporter of copper alloy ingots like gun metal, lead bronze, phosphor bronze, aluminum bronze, manganese bronze, silicon bronze, brass, high tensile brass, etc. for foundry applications to USA, Germany, UK, Australia, New Zealand, Japan & Taiwan
Our Products Brass Gun Metal Phosphor Bronze High Tensile Brass Aluminum Bronze Manganese Bronze Silicon Bronze Lead Bronze Bronze
Brass
Applications : Valves, cocks, plumbing fittings, marine fittings, pipe fittings, gas fittings, door & furniture fittings, hardware, electrical trade & ornamental castings, brush holders, switchgear brush holders, pump bodies, bolts, nuts, end plates for heat exchange equipment, small machine parts, flanges, imitation jewellery
Gun Metal
Applications : Pressure tight bearings, bushes, pumps, pump bodies, pump fittings, oil pumps, valves, valve bodies, steam valves, valve guides at normal temperatures under corrosive marine conditions, actuating nuts, hardware fittings, plumbing fixtures, elbows, pipes, taps, cocks, hydraulic fittings where pressure tight fittings are important, railway bearings, engine components, tractor parts, pressure components
Phosphor Bronze
Applications : Bearings for aero engines, diesel engines, electrical generators and rolling mills, gears, worn wheels, pressure vessels, pump body castings, impellers for chemical plants, bushes for lighter duties
High Tensile Brass
Applications : Marine castings & fittings, hydraulic equipment, locomotive axle boxes, pump castings, heavy rolling mill housing nuts, spur & gear, wheels which are heavily loaded and slow moving, components with high stress at normal temperatures
Aluminum Bronze
Applications : In marine engineering, and in petroleum, oil and chemical industries
Lead Bronze
Applications : Mining machinery bearings, corrosive marine conditions bearing, unlined bearings under poor lubrication conditions, mill bearings, railway bearings oil industry bearings, aero engine bearings for use at higher temperatures than white metal bushes for chill cast, centrifugally cast & continuously cast, linings for steel backed motors
Bronze
Applications : Bearings, castings for boiler mountings, water pressure fittings, grease & oil lubricated bearings (lined and unlined), motion bushes, bushes for heavy loads.
Anode film particles often become detached from the anodes. Air
agitation promotes the detachment, causing some particles to be
dissolved by the free acid. If the work is racked so that cathode
shelves lie in a horizontal plane, particles will settle out on these
areas and roughen the plate. In such cases, the anode sludge can
sometimes be decreased and the deposits made smoother by raising the
bath temperature or increasing the acid concentration. In on series of
test, less copper was found in anode films formed in flouborate baths
than in those form sulfate baths.
Fine copper particles can be prevented from reaching the cathode by
bagging anodes with woven Dynel or polypropylene. To allow good mixing
of the solution adjacent to the anodes placed edgewise to the
cathodes.
Rolled and cast bars and electrolytic copper sheets have been employed
as anodes in sulfate and fluoborate baths. Anode sludge is decreased
by using oxygen-free, high conductivity copper. On the other hand, the
tenacity of the anode film is improved and the number of particles
that become detached from anodes surface in air agitated baths is
decreased by adding 0.02 to 0.04% phosphorous to cast copper. The
films on phosphorized copper anodes are responsible for the slight
polarization of about 0.5 V. Boiled copper anodes containing at least
0.004% phosphorous are customarily recommended by the vendors of
brighteners for plating bright copper in copper sulfate solutions.
Chunks of phosporized copper are frequently used in titanium anode
baskets.
Other Properties :
Copper and Copper alloys have a
peculiar smell and disagreeable taste.
These may be transferred by contact
and therefore Copper should be kept
clear of foodstuffs.
Most commercially used metals have a
metallic white colour. Copper is a
yellowish red.
Copper is found as native metal and in
minerals cuprite, malachite, azurite,
chalcopyrite and bornite. It is also
often a by-product of silver production.
Sulphides, oxides and carbonates are
the most important ores.
Copper and Copper alloys are some of
the most versatile engineering
materials available. The combination of
physical properties such as strength,
conductivity, corrosion resistance,
machinability and ductility make
copper suitable for a wide range of
applications. These properties can be
further enhanced with variations in
composition and manufacturing
methods.
The largest end use for Copper is in the
building industry. Within the building
industry the use of copper based
materials is broad. Construction
industry related applications for copper
include:
Roofing
Cladding
Rainwater systems
Heating systems
Water pipes and fittings
Oil and gas lines
Electrical wiring
The building industry is the largest
single consumer of copper alloys. The
following list is a breakdown of copper
consumption by industry on an annual
basis:
Building industry – 47%
Electronic products - 23%
Transportation - 10%
Consumer products - 11%
Industrial machinery - 9%
There are around 370 commercial
compositions for copper alloys. The
most common grade tends to be C106/
CW024A - the standard water tube
grade of copper.
World consumption of copper and
copper alloys now exceeds 18 million
tonnes per annum.
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