Copper alloys esfera. Aluminum bronze alloys typically contain 9-12% aluminum and up to 6% iron and nickel. Copper alloys esfera

 
 Aluminum bronze alloys typically contain 9-12% aluminum and up to 6% iron and nickelCopper alloys esfera 3

Therefore, they are widely used in the chemical, oil, and marine industries for manufacturing of various components of equipment, such as: drill collars, pumps, valves, impellers, fixtures, pipes,. Powder Type. length and up to 3 in. The beryllium-copper alloy's yield. Forms: 2-20 Ingot. Metal ores are generally oxides, sulfides, silicates (Table 12. Brass mills make wrought compositions in the form of rod, plate, sheet, strip, tube, pipe, extrusions, foil, forgings, and wire. Get the best deals on Industrial Metal & Alloy Spheres when you shop the largest online selection at eBay. The rod ingots were 30 and 40 mm in diameter and approx. As shown in Table 1, a variety of structural materials, including austenitic stainless steels, pipeline steels, iron-based alloys, nickel-based alloys Cr–Mo steels, aluminium alloys and copper alloys, have been considered as key technologies for the facilities of hydrogen energy facilities. 8 kWh of energy and emits only 0. The initial brown-black appearance is attributed to semiconducting properties of cuprite (Cu 2 O) and fully attained at thickness 0. An improved performance super high strength copper nickel alloy for use in offshore oil and gas and other marine environments, Tuck, C. Copper and copper alloys are applied for a variety of purposes: as decorative finishes, to aid in electrical conduction, as a protective layer against fretting corrosion, and as an undercoat for other metal coatings (e. For the majority of nonferrous alloys, this is from about 325–650 °F (165–345 °C), although some alloys require higher aging temperatures. In this research, we choose a beryllium-copper alloy to make the LPF for its outstanding properties of elasticity, fatigue resistance and fracture strength [32]. Copper-Zinc Alloys. Chinese silver (zinc): Chinese silver is an alloy used in jewelry. 95% Cu, 0. 8%). 2. On the periodic chart, its atomic number is rated 29 with the. Low-rate. Some alloys are listed under more than one element, since the composition of the alloy may vary such that one element is present in a higher concentration than the others. For gearing, 303 stainless is typically used. , 9 Paxton Court, RedwoodPark, South Australia, 5097 Telephone: +61 (0) 437 707 043. Only a few metals have a success story similar to that of copper and its alloys. There are almost 400 different copper alloys depending on the commercial product made likes : rods, plates, sheets, strips, tubes, pipes, extrusions, foils, forgings, wires, and castings from foundries. It has high strength, good toughness, and excellent fatigue resistance. The focus of these developments is for high heat flux applications such as combustion chambers with complex internal coolant passages that would otherwise require difficult and expensive manufacturing operations, if. Wrought Copper Alloy Families § C100xx-C150xx Commercially Pure Cu § C151xx-C199xx Age Hardenable Cu (w/ Cd, Be, Cr, Fe) § C2xxxx Cu-Zn alloys – Brasses § C3xxxx Cu. They are available in the form of bar, rod and plate. 9% of the following bacteria within 2 hours of. 2) it can also be used on. And as alloyed in bronze (copper-tin alloy) about 3000 BC, was the first engineering material known to man. 20. It offers 100% IACS minimum conductivity, making it popular for electrical applications and those necessitating low resistance levels. From the early days, copper had a decisive influence on the evolution of mankind and it has been the material of choice promoting the key growth industries of each era. ["IACS" is the International Annealed Copper Standard]. In the wrought structures, the lead is present as discrete particles between the alpha copper grains. Due to the coexistence of different types of phases in this matrix, complex regions exist for which information on their precise atomistic structure is missing. 0. Copper has been an essential material to man since pre-historic times. Also, please take a look at the list of 19 copper alloy manufacturers and their company rankings. Copper Beryllium - Alloyed with Beryllium. 22mm – 3″ square. 260 Brass is a zinc-copper alloy with remarkable chemical properties – it has high corrosion and wear resistance, making it useful in applications such as machinery components, valve stems, ammunition casings, and musical instruments. Production of Alloy Powders. BBB Directory of Copper near Victoria, BC. A wide variety of copper alloys are available for use in construction. Nickel Silvers. Copper tin alloys or tin bronzes are known for their corrosion resistance. 20. Copper alloys are metal alloys that have copper as their principal component. Cast alloys are numbered from C80000 through C99999. Basic modern brass is 67% copper and 33% zinc. Copper-beryllium alloys are mainly based on copper with a beryllium addition. Figure 3. We offer this material in Ingot, shot, and cut pieces. This is reflected in 2024 aluminum’s chemical breakdown, which is nominally 4. The elastic modulus of copper alloys ranges from 16 to 20 million pounds per square inch (about 110 to 138 kMpa). Number ranges available for positions 3, 4 and 5. Alloy 25 is a versatile material that combines high strength with electrical and thermal conductivity considerably greater than other copper alloys. If simple bends are required but strength is also important, H02 (half hard) will be the best temper to use. A Copper (Cu) Alloy containing Chromium (Cr) used for their high strength and corrosion resistance. Tin brass is a member of the brass alloy family that includes copper, up to 40% zinc, and up to 3% tin. certain alloys and tempers, it increase stress corrosion susceptibility[2]. Only a few metals have a success story similar to that of copper and its alloys. 43%), zinc (7. 18- and 9-carat gold alloys are commonly. alloys (2% copper, iron, nickel): used in aircraft pistons; Hydronalium (up to 12% magnesium, 1% manganese): used in shipbuilding, resists seawater corrosion;The long-term, steady-state corrosion rate for copper and copper alloys, except for Muntz metal, is on the order of 1 mpy (0. Oxx. Copper Alloys Australia Pty Ltd. The mechanical processes performed on copper alloys, either as initial finishes for later patination or as final finishes, involve similar techniques to those used on stainless steel and aluminum. When there is more silver than copper, 92. Moreover, as presented in this Corinthian bronze ( gold, silver) Cunife ( nickel, iron) Cupronickel ( nickel) CuAg ( silver) Cymbal alloys ( tin) Devarda's alloy ( aluminium, zinc) Hepatizon ( gold, silver) Manganin ( manganese, nickel) Melchior ( nickel ); high corrosion resistance, used in marine applications in condenser tubes. The following general categories apply to both wrought and cast compositions. 9 Mil 1941 1000+. Pure copper has the best electrical and thermal conductivity of any commercial metal. 16 bn during 2022-2026, accelerating at a CAGR of 3. It is used in applications such as resistance welding electrodes, seam welding wheels, switch gears, cable. Citation 2014). Copper is reddish colored and takes a bright metallic luster. Alloys are metals that are a combination of several elements. S. Copper is used as a conductor of heat and electricity, as. The copper-zinc brasses consist of a series of alloys of copper up to about 40% Zinc. Nominal Composition. By contrast, the recycling of aluminum requires only 2. Abstract The experimentally found insensitivity of the resistivity of Cu–Cr and Cu–Cr–Zr alloys to structural modifications in alloy specimens subjected to severe plastic deformation has been studied by analytical modeling methods. % Zr alloy) is the state-of-the-art material used to make the liner in engines such as RS-25 and RS-68. Brass, for example, is a substitution alloy based on copper in which atoms of zinc replace 10–35 percent of the atoms that would normally be in copper. CDA's website is an excellent resource for information about copper, copper alloys, and their many uses and benefits. It has a high electrical conductivity, in excess of 100% IACS. * = alloys registered with U. Satin or matte finishes can be achieved through controlled scratching, satin directional finishing with scrubbing pads, aluminum oxide discs, silicon. 1. (2) Global service experience data on brake. 4. Good corrosion resistance. OF coppers exhibit electrical conductivity above 100% IACS. 1. It has good reflectivity but lacks the refinement of an applied mechanical surface. Some alloying elements affect stress relaxation more than others. There are more than 400 copper alloys, each with a unique combination of properties to suit many applications, manufacturing processes and environments. 8 ± 0. 9 kg/dm 3) and is 8. Copper alloys such as Cu–Ni– Mn, Cu–Ti, and Cu–Ni–Sn alloys are age-strengthening Cu alloys. ESA experience in copper is mostly, but not exclusively, concentrated in the design of combustion systems and burner for shaft melting furnaces, holding. Copper and its alloys are relatively good conductors of electricity and heat. The other elements add a desired quality to the steel, such as hardness or tensile strength. Copper Collar DJ & VJ Services, Victoria, British Columbia. Alloying produces a metal harder than either copper or zinc individually. NASA takes an early R&D lead. It combines the properties of two metals to form an exceptionally strong and durable material suitable for. Aluminum bronze alloys typically contain 9-12% aluminum and up to 6% iron and nickel. 3kg of gold. Differences Between Alloy and Copper. 001 mm/y), within those velocities that each alloy can tolerate without damage to the protective corrosion product film. For example, the hard bronze used in making. The most common base metals are copper, lead, nickel, tin, aluminum, and zinc. Kushal Copper Corporation. In the designation system, numbers from C10000 through C79999 denote wrought alloys. With increasing zinc content, the reddish copper color changes to the yellow of brass. Although 70-30 Cu-Ni is essentially non-magnetic, 90-10 Cu-Ni has a. Despite the relatively low antibacterial efficacy of cuprous oxide (Cu2O) compared to pure copper, it is still worth consideration in some scenarios. +++ 442 day test at Kure Beach, North Carolina. Rose gold is a gold–copper alloy widely used for specialized jewelry. Low Alloy Steels 1382 - 1529 Stainless Steels 1375 - 1450 Non-ferrous Aluminium Alloys 475 - 677 Copper Alloys 982 - 1082 Lead Alloys 322 - 328 Magnesium Alloys 447 - 649 Nickel Alloys 1435 - 1466 Titanium Alloys 1477 - 1682 Zinc Alloys 375 - 492 Ceramics Glasses Borosilicate Glass (*) 450 - 602Most copper alloys are produced to a series of cold-rolled tempers with a tensile strength range unique to each alloy and temper designation. NARloy-Z (Cu-3 wt. 3 weight percent (and therefore designated as "coppers"), albeit only a handful are used industrially as electrical conductors. Updated on January 30, 2020. The two main alloys are 90/10 and 70/30. , strip, rod, wire, bar, tube and plate) as cast billet and as casting ingot. 2 Use—The alphanumeric code is used to. The high percentage of copper in 2024 aluminum greatly reduces its corrosion resistance; it is also responsible. 1 Significance—This classification establishes an alpha-numeric code of the tempers of copper and copper alloy products. Copper Alloys Search - Basic. , National Bureau of Standards, for the. In 2011, the corrosion and biofouling performance of 11 copper alloys produced by several manufacturers in the United States, Germany and Japan was evaluated in a 12-month. Brass works as an alloy because copper and zinc are close to one another in the periodic table and have atoms of roughly similar size. Sipi Copper Alloys offers a one-stop-shopping for master alloys and pure metals needed in these applications, including the technical expertise to select the right additives to meet the customer’s precise objectives. Updated on August 21, 2020. Brass works as an alloy because copper and zinc are close to one another in the periodic table and have atoms of roughly similar size. The temper will determine just how malleable the copper sheet will be. Copper alloys. The analysis reveals the disc to be made of leaded gunmetal with the following major elements: copper (66. The most popular form of pure copper is the standard electrical wire grade of copper (C11000) contains 99. The Copper Development Association Inc. Copper alloys vary widely in their resistance to velocity, with C95500 being the most resistant of the cast alloys, C72200 the most resistant. 2011, com o número de Projeto ABNT NBR 15827. 9% of the following bacteria within 2 hours of. Depending upon the application requirements, copper beryllium alloys are available in two alloy classes: High Strength (C17000, C17200, C17300) and High Conductivity (C17410, C17460, C17500, C17510). 025 mm/y) or less, and for the copper-nickel alloys on the order of 0. 12. Significance and Use 4. Stainless Steel: another iron alloy, which typically contains chromium, nickel, and other elements to resist rust or corrosion. Schmidt’s landmark study, funded by the Department of Defense, looked at copper alloys on surfaces including bedside rails, tray tables, intravenous poles, and chair armrests at three hospitals. In 1962, a penny's content changed to 95% copper and 5% zinc. It offers high conductivity, good ductivity and strength. Brass is an alloy made primarily of copper and zinc. In the designation system, numbers from C10000 through C79999 denote wrought alloys. The copper patina colour has been systematically explored through a large set of short- and long-term exposed copper metal samples. . Anchor Bronze & Metals, 3. Adding Iron into Copper. An aluminium alloy (or aluminum alloy; see spelling differences) is an alloy in which aluminium (Al) is the predominant metal. $14. The oral bioaccessibility of copper alloys and pure metals was assessed using in vitro methods with synthetic saliva and gastric fluid. The high-copper alloy class therefore comprises alloys that do not belong to one of the other copper alloy classes. Deep drawing. Fig. ;. Copper is an essential metal known for its excellent electrical. Tin plated strip is readily available from both metal producers and independent platers. Copper. Stubbins3 ABSTRACT This paper reviews expressions to quantify thermal creep and fatigue lifetime for four copper alloys, Cu-Ag-P, Cu-Cr-Zr, Cu-Ni-Be and Cu-Al2O3. The copper grade numbering scheme is broken down below to help and understand copper alloys and the characteristics of each sequence. ASTM B62, 2017 Edition, April 1, 2017 - Standard Specification for Composition Bronze or Ounce Metal Castings. Tin bronzes are stronger and more ductile than red and semi red brasses. Alloys can also form if the alloying. Brass is an alloy made primarily of copper and zinc. 3. History of Copper. More than 2,800 artifacts have been recovered from the site, including a ship's bell with a date of 1498, an important copper-alloy disc marked with the royal coat of arms of Portugal and the "esfera armilar"(armillary sphere) - a personal emblem of King Manuel I, and an extremely rare silver coin known as the "INDIO", first minted in 1499 by. Estabelece os requisitos para valvulas de esfera com extremidades roscadas, flangeadas ou soldadas para uso geral em instalaoes industriais,prediais ou domiciliares de gua, leos, gases derivados de petrleo e outros. 1 summarizes schematically the sequence of layers formed on copper alloys after commissioning in seawater (9). As copper has a high solubility for zinc, the alloys are very homogenous. In the designation system, numbers from C10000 through C79999 denote wrought alloys. Standards: ASTM B-66, ASTM B-271, ASTM B-505, ASTM B-584, SAE 461, SAE J461, SAE J462, SAE660, DIN 2. This alloy has excellent corrosion resistance and is highly resistant to attack by acids, alkalis, and bacteria. Copper production from recycling copper and copper alloy end-of-life objects (old scrap) amounts to 15%–20% of the above. , Ni–Cr) on steel and zinc-based castings. Gold from the richest grave in the cemetery at the 5th millennium site of Varna, Bulgaria. Updated on August 21, 2020. Due to its propensity to oxidize quickly, copper is regarded as a base metal. As oxygen molecules react with the metal, they form oxides that cause pits on the surface of the metal. It also has good conductivity and tensile strength as it can be stretched without breaking. For copper alloys, this finish is usually smooth, clear. Four processes to consider when joining. Nickel silver: 20% Zn by weight, it's used for its shiny silver appearance in jewelry, silverware, model train tracks, and musical instruments. Small amounts of alloying elements are often added to metals to improve certain characteristics of the metal. Production of Copper Compounds. Sterling silver is commonly used for plating and in the jewelry industries. 2024 aluminum alloy is of the 2xxx series, which include alloys that use copper as their principal alloying component. The color of copper alloy powders is a soft pink, with finished AM parts displaying that classic, copper-color glow. ASTM's analytical chemistry standards are instrumental primarily in chemical analysis of various metals, alloys, and ores. Copper alloys are known for their excellent corrosion resistance, but it is not entirely immune to corrosion. Laser cladding has been used to improve the surface properties of copper and copper alloys for many years. 09/20/2018 EN (English US) 2/26 P308+P313 - If exposed or concerned: Get medical advice/attention. 4. This property of copper when added to its inherent strength, formability and corrosion resistance make it and its alloys unique in their usefulness as conductors. The age-hardening behavior is based on the fact that the solubility of Cd, Be, and Cr in Cu decreases with decreasing temperature. 5. Terminology 3. 1) or "native" metals (such as native copper) that are not commonly concentrated in the Earth's crust, or "noble" metals (not usually forming compounds) such as gold (Figure 12. It is a form of bronze with a higher tin content, usually in approximately a 4:1 ratio of copper to tin (typically, 78% copper, 22% tin by mass). 52Chi: P. 3). Laser cladding owns many advantages, such as high instantaneous heating temperature, fast cooling speed, metallurgical bonding between the coating and the substrate, small heat-affected zone and so on. copper in the range of 0. Of the various brasses, the most important for connectors are those containing 15 and 30% zinc, although a 5% zinc version is occasionally considered. 00. Final letter, designating material group. This is an alphabetical list of alloys grouped according to base metal. The first material to. UNS C18150 chromium copper alloys have high strength and wear resistance at elevated temperatures. Common Alloys . These properties make copper extremely suitable for tube forming, wire drawing, spinning and deep drawing. Production and forming methods may affect alloy selection. Metallic Trend: About the Thermophysical Properties of Copper and its Alloys. Copper alloys vary widely in their resistance to velocity, with C95500 being the most resistant of the cast alloys, C72200 the most resistant. Number range allocated to materials preferred by CEN. The Copper Mariner. Copper alloys There is a large number of copper alloys, with zinc (brass) and tin (bronze) being the most common. (CDA) is the market development, engineering and information services arm of the copper industry, chartered to enhance and expand markets for copper and its alloys in North America. e. Consequently it is very easy to work out how much you will get for either of these units. This zinc copper alloy may also contain minor amounts of other elements such as iron, nickel, silicon, or aluminum. F. Copper Alloy Supplier Database is originally derived from CDA's Standards Handbook Part 5 - Sources and CABSA. 5 and 1. Forms: 2-20 Ingot. 1 Tensile Properties 671 4. Effect of Composition on the. promovendo uma caracteristica de deslizamento da esfera, reduzindo o coeficiente de atrito entre a esfera e a. 05: Silver, solid or plated; monel metal & High nickel-copper alloys: 0. Copper alloys is generally very tenacious, with most possessing an elongation of at fewest 30%. Photo: A padlock whose main body (the gold part at the bottom) is made of brass, a tough alloy of copper and zinc. Foundries supply castings. 6% of all metals mined in 2022. Within these headings, the alloys are also grouped alphabetically. Whilst 70/30 has greater salt water resistance and strength, 90/10 is more common as it is less expensive with overall good properties for a range of applications. This article presents a collection of data on approximately 150 copper-based alloys. Microstructures of Copper and Copper Alloys. The uses of copper alloy with silver added will depend on the amount of each alloy that is added during the melt. The temper designations are classified by the process or processes used in manufacturing the product involved and its resulting properties. 676 products. 4 +/- 0. Brass, like copper, is a poor breeding ground for bacteria. 96 (20°C), with a valence of 1 or 2. Thick copper-covered steel wires exhibited a highly favorable tradeoff between the strength and electric conductivity as compared with the beryllium copper alloys. WILKS et al [51] investigated the survival of E. 10g – 21g. Low magnetic permeability is required in some applications, such as minesweepers. Copper-nickel - Alloyed with Nickel. Their composition design, preparation, and processing directly affect the final performance. Pure copper has the best electrical and thermal conductivity of any commercial metal. This is a list of copper alloys or alloys in which copper is usually the base metal. The microstructure of the single phase brass alloys, with up to 32% zinc, consists of a solid solution of zinc and alpha copper. 3. The high. People need copper in their diets. 5% copper, this process creates sterling silver. Copper alloys are metal alloys that have copper as their principal component. Properties of Copper Powder. 4989. depending on alloy type, water chemistry, contaminants, oxygen content, pH value, microbial activity, temperature, flow rate, duration of exposure etc. The current trend is to develop copper alloys with higher alloy content (e. Copper - From Beginning to End. 95% Cu, 0. 34%) and lead (2. If the copper-lead alloys do not have sufficient load-carrying capacity, the lead content is reduced, and tin is added to improve the strength. Copper Alloy Supplier Database is originally derived from CDA's Standards Handbook Part 5 - Sources and CABSA. 1 M, 0. Stubbins3 ABSTRACT This paper reviews expressions to quantify thermal creep and fatigue lifetime for four copper alloys, Cu-Ag-P, Cu-Cr-Zr, Cu-Ni-Be and Cu-Al2O3. Their thermophysical properties play an important role in casting processes and are required as input data for casting simulation. Its formability further makes copper and its alloys easy to rivet, bolt, and crimp. ρl = Q + l. The effect of aging processes on the tensile properties of C-18150 copper alloy samples, made by laser powder-bed-fusion additive manufacturing (AM) process with three different fabrication orientations (horizontal, angled, and vertical to the build direction), are investigated. Bronze is an alloy of tin and copper and brass is an alloy of. 4989. This chapter provides an overview of copper and copper–nickel alloys. Antimicrobial. Intended primarily for use on outdoor architectural metal work, it preserves the natural colors of copper and its alloys for long periods (1. For example, a specific alloy might assume its maximum strength by aging for 5 h at 325 °F (165 °C. How structure and properties of cast copper alloys depend on consumption and comparative data on applications and relative costs of 13 standard bearing alloys. Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F. Introduction. Alloys also tend to be lighter in weight than pure copper because they contain a mixture of lighter elements such as. 300 °C. Distributor of copper alloys in foil, bar, rod, tube, sheet, and wire forms. Copper Titanium. Non-ferrous metals. 260 Brass Chemical Properties. 5 wt. Copper Alloys. 0 mpy (0. 26 - Cast Copper Alloy Fittings for Flared Copper Tubes. Laboratory testing shows that, when cleaned regularly, EPA-registered antimicrobial copper alloy surfaces kill greater than 99. These affect copper alloys and are all related to the leaching out of alloy constituents (the alloys are obvious as they appear in the DM title). High purity copper is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. Fortunately in the UK we use the metric system to weigh up scrap metal. If the conductivity of copper-30% zinc. Simply put, cast brass has too large of a grain structure and lacks. Fig. Two types of copper alloys, namely CuCrZr (produced by Outokumpu Oy) and GlidCop® CuAl25 IG0 produced by OM6 (formerly SCM Metals) were studied. 01–0. Bronze, the first alloy created by people, is a mix of copper that contains as much as 25% tin. Brass is typically applied more widely. Brass, for example, is a substitution alloy based on copper in which atoms of zinc replace 10–35 percent of the atoms that would normally be in copper. It's strong, weatherproof, and relatively inexpensive. 9 Mil 1997 10-49. The antimicrobial activity of copper and copper alloys is now well established, and copper has recently been registered at the U. In several clinical studies, copper has been evaluated for use on touch surfaces, such as door handles, bathroom fixtures, or bed. Based on this data, one can evaluate the engineering and economic viability of using specific copper alloys for fabricating fish cage nets for marine aquaculture. The high strength copper alloys used in this work are Cu-Co-Be alloy (C17500), Cu-Ni-Si alloy and Cu-Ni-Sn alloy (C72950) respectively, as listed in Table 1. 22. It consists of 99. In fact, copper is used for these purposes more often than any other metal. process; silver plating of beryllium copper alloys can be more expensive than other copper alloys. BERYLLIUM COPPER ALLOYS ( Alloy 174 ) C17410-Alloy 174 is a mill hardened alloy. com. 001 mm/y). The high-copper alloy family includes, in wrought forms, cadmium coppers (C16200 and C16500), beryllium coppers (C17000-C17500), chromium coppers (C18100-C18400), zirconium copper (C15000), chromium-zirconium copper (C14500) and combinations of these and other elements. The wide variety of textures and colors available with copper alloys provide architects with an almost limitless palette of visual effects. The solder wires meet J-STD-004B, ASTM B 32, and J-STD-006C. Number ranges available for positions 3, 4 and 5. Chromium copper has excellent cold formability and good hot workability. 1. Gold is used extensively in jewellery (about 75% of all world production), either in its pure form or as an alloy. It uses a classical tin-to-lead alloy ratio, which is complemented with a no clean, synthetically refined, splatter-proof, resin flux core. where Q + is the charge on the positively-charged conductor and V is the potential measured from the negative conductor to the positive conductor. Joining. 40The mechanical properties of copper-nickel alloys show a combination of good tensile strength and excellent ductility when annealed. Kushal Copper Corporation. Above 15% Zn, dezincification may occur. 05 mpy (0. While NASA pioneered the usage of copper alloys in the 1970s on the Space Shuttle Main Engine, that use was at first limited to forged components. Alloy C18000, another member of the group, contains nickel,. A Copper (Cu) Alloy containing Chromium (Cr) used for their high strength and corrosion resistance. 26 - Cast Copper Alloy Fittings for Flared Copper Tubes. 5 gives temperature changes concerning this copper alloy for cylindrical contact for one indentation test. Offered in round, square, and rectangular shapes. However, the amount of copper may range from 55% to 95% by weight, with the amount of zinc varying from 5% to 45%. The alloy is not subject to dezincification and has reasonable. 1. 5Ag (wt-%) alloy, by adding Zr to a ratio of Cu–3Ag–0. 3 –Fe 3. More machinable than copper and bronze for making nuts, hinges, and locks. The powdered metal is called an. Flared fittings for use with flared copper tube for cold water applications with a maximum water pressure of 175 psig are manufactured to the requirements of ANSI/ASME B16. Copper alloys are metal alloys that have copper as their principal component. Their uses include marine equipment and inorganic acid and alkali handling equipment.