The ratio of alpha phase to beta phase brass is determined by zinc content, but the inclusion of alloy elements such as aluminum, silicon, or tin can also increase the amount of beta phase brass present in the alloy. Alchemy metals supplies the highest quality 385 architectural bronze for your industrial and architectural applications. The superior machining characteristics of alloy c385 are due to the rapid chill. Consequently, 360 is marginally more machinable than 385. Welding is a term used to describe a wide range of processes for joining any materials by fusion or coalescence of the interface. Cda 385 high tensile manganese bronze sae 430b cda 385 casting cda 385 casting copper alloy casting bronze alloy casting c 385 casting alloy copper alloy casting indian casting foundry. Cda 932sae 660 bearing bronze is used in many industrial, automotive, appliance, bearing and bushing applications. Alloy identification specifications nominal chemical compositions brass and bronze standard casting alloys chart of specifications military current c22229 gr2 c15345 gr3 c22229 gr9 c22229 gr8 c22229 gr7 c22229 gr4 c22229 gr1 b16541 c15345 gr10 c15345 gr12 c22229 gr3 c22229 gr5. The listing can provide a workable method for identifying and ordering mill products for all your fabricating needs. A family of different bronze alloys that account for most of the nonferrous gear materials, mainly because of their wear resistance characteristics for withstanding a high sliding velocity with a steel worm gear. Copper, brass, and bronze are known as red metals because they contain copper, which has a reddish color. Though technically a brass alloy, 385c385 brass is generally referred to as architectural bronze. The expiry date for the current renewal cycle is july 21, 2021, 2023 and 2024 depending on the product category.
Copper alloy free cutting brass c38500 austral wright. Brasses can be sensitive to selective leaching corrosion under certain conditions. Copper alloy free cutting brass c38500 austral wright metals. Note that for usa and asia, some compositions are not identical. Great for architectural and tooling usage, this metal is closely monitored throughout its extrusion to ensure the material is always up to the highest specifications. Cartridge brass also referred to as 260 brass and yellow brass is best known as an ideal metal for shell casings. Brass our large brass stock is available in various shapes and alloys with full sizes available. C272 brass tubing has many uses that span the industrial, architectural and consumer product industries.
The alloy is resistant to corrosion and contains 2% lead to impart freecutting characteristics. C38500, 385, free cutting brass, cz121, cuzn39pb3, 5660, 39, 2. The composition of different types of brass alloys are outlined in the following table. Brass has a yellow color, somewhat similar to gold and is resistant to tarnishing.
Brass is the term used for alloys of copper and zinc in a solid solution. Copper and copper alloys for the determination of chemical composition. It should not be used in contact with ammonia, or ammonia compounds, as it may suffer stress corrosion cracking. High machinability used for normal processing, form rolling, etc. Desalination, 93 1993 499516 499 elsevier science publishers b. It is typically used for handrails, ornamental trim. The unified numbering system uns is the accepted alloy designation system in north america for wrought and cast copper and copper alloy products. Welding fair results can be achieved from both oxy acetylene. The 385 brass angle with equal leg length and squared corners has an h02 temper, is cold rolled and unpolished, meets american society for testing and materials international astm b455 specifications, and has a standard tolerance. Usually, this is accompanied by diffusion or mixing across the boundary, so that in the region of the weld an alloy is. They are also used in catalysts, pyrotechnics, antifouling agents in paints, pharmaceutical substances, dyes and soaps, ceramics, alloys automotive solder and radiators, and electrophotography. Fraser alloy 385 is strictly controlled as are the. The most widely used alloy in this family is c84400 leaded red brass is known for reasonable cost with good machining and casting properties.
They are used for their strength, corrosion resistance, appearance and colour, and ease of working and joining. The 385 brass alloy, also known as freecutting or architectural brass. C27200 is full yellow in color and carries strength and hardness in relation to more pure copper metals. It involves bringing two surfaces together under conditions of pressure or temperature which allow bonding to occur at the atomic level. The chart depicts the standard designations for copper alloys. Bronze, brass, and copper alloys national bronze mfg.
Leaded commercial bronze c31400 durabar metal services. C38500 architectural bronze, cda 385 chemical composition % by weight. Milson 385 brass comes in a range of bars, tubes, and rounds including angle bars. The lower zinc content of 314 brass gives it better resistance to cracking, as well. The main difference being that the 360 has a slightly higher lead content. It is most often sold in sheet form and easily formed and worked into desired shapes. This alloy has a poor rating for cold working, but excellent for hot working processes. Brass alloy 385 has been specifically developed for the mass production of brass components in high speed lathes,providing maximum output and long tool life.
C93700 cda 937 high leaded tin bronze atlas bronze. Astm astm by description b 16 free cutting brass rod, bar and shapes b 43 seamless red brass pipe b 68 seamless copper tube, bright annealed b 75 seamless. As a copperzinc alloy, it falls under the brasses, and is used frequently by designers seeking an alloy that exhibits the elegant soft golden tone. C37700 forging brass astm b124 the exceptional hot working characteristics of c37700 makes it the classic alloy for forgings. C48500 naval brass, astm b21 cda 485 chemical composition % by weight. This material is similar to c360 also known as freecutting brass, but with slightly inferior machinability due to its lower lead content. C93700 tin bronze atlas bronze offers c93700 tin bronze in solids, plate, rectangles and castings. The 385 brass alloy, also known as freecutting or architectural brass, provides corrosion resistance and high machinability due to its high lead content.
Brass alloy 385 has been specifically developed for the mass production of brass components in high speed lathes. C38500 free cutting brass alloy 385 properties and applications. Copper and brass alloys containing up to 4% lead pb by weight remain compliant under the latest revision of the directive rohs iiias summarized in the amendment to annex iii published in may 2018 and shown in the excerpt below. Brass is known for its longlasting features and excellent machinability. Arsenic and arsenic compounds are used in the manufacture of pigments, sheepdips, leather preservatives, and poisonous baits. However, between brass and bronze, there are distinct differences in the chemical compositions and properties exhibited. Architectural 385 brass often called architectural bronze, 385 brass is easy to machine and has excellent formability when heated. Alloy 385 should not be used in contact with ammonia, ammonia compounds or amines, as it may suffer stress corrosion cracking. The machinability rating is 20% freemachining brass is 100%. More common than alpha brass, alphabeta brass is both harder and stronger and has a lower cold ductility, than alpha brass. Fair hot working properties within an ideal temperature range of 700. Muntz brass is a copper alloy made using primarily copper 60%, zinc 40%, and traces of iron. They give new information on approximate alloy compositions and, in particular, the results.
Electrolytic tough pitch copper for electrical applications. Buy free cutting brass rod c3601, c3602, c3603, c3604, c3605 from metal b2b, free cutting brass rod features. Under the chart are a listing of downloadable cda sheets that include more detailed information about each alloy. Contact your local metal supermarkets store to confirm availability and pricing. C385 architectural bronze is essentially the same as c360 only it has a slightly higher lead content therefore providing excellent machinability. This material is similar to c360 also known as freecutting brass, but with slightly inferior machinability due to. The two alloys are quite similar though with copper as the main. Alloy 385 has good corrosion resistance to weathering and fair resistance to many waters. The zinc content can vary between few % to about 40%. Standard mill sizes for brass 385 angle range from 0. Easily joined to other copper alloys or to itself, it can provide flawless, robust finishes without the need for screws. Fraser alloy 385 is a high speed turning and screwing brass conforming to the. C31400 leaded commercial bronze is a free machining brass with excellent electrical and thermal conductivity.
British free machining brass, bs 2874 cz121, iso cuzn39pb3, this is technically a brass alloy copper plus zinc but is known as architectural bronze. Brass can be made harder or softer with the addition of copper and zinc. Welding chromium, nickel and welding ncbi bookshelf. Alloy 385 freemachining brass is a copperzinclead alloy having a duplex phase structure with a. Free cutting brass rod c3601, c3602, c3603, c3604, c3605. Typical applications are nuts, bolts and screw threads. Alloy 272 possess an excellent capacity for being cold worked, but is not adaptable to being hot worked. Copper alloys for desalination plants sciencedirect. The material has an h02 temper, meaning it has been cold worked to a 12 hard temper. Uns c38500 is an free cutting brass architectural bronze grade wrought copper.
This group of alloys is typically found in plumbing applications. No cut fees, no minimums, and fast delivery or online order pickup from 6 warehouses nationwide. Atlas stocks a select variety of sizes in bridge plate, per astm b22. All of our products come in mill finish and are backed by a mill test report to certify its country of origin, as well as its chemical and physical properties. Architectural bronze is a special brass alloy with a composition of 57% copper, 40% zinc, and 3% lead. Alloys in this family include c90300, c90500, c90700, and c91100. Brasses are copper zinc alloys with a wide range of engineering uses. Brass, bronze is a hard, strong alloy, preferred in applications where high impact and vibration are an issue. Uns standard designation for wrought and cast copper. The addition of zinc to copper raises the strength and gives a range of properties, and the brasses are a very versatile range of materials. It is mechanically similar to the 360 brass free machining brass. Brass 385 angle metal supermarkets steel, aluminum. Mechanical properties form temper temper code tensile strength ksi ys0.