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Brass Copper Alloy Chemical Composition, Grade Chart, Tables and Documents

Aluminium-bronze is a well-loved alloy as it is exemplified by its great strength, impressive corrosion resistance and good durability Its chemical structure mostly contains copper as the main element, although copper is generally present at a concentration of around 10% with iron, nickel, manganese, and other metals being added in varying ratios to provide certain properties. The main grades are C95400, C95500, and C95800, each having its own complement of alloy components suiting different uses. Various grade charts and tables describe, by detail, the content, properties, and applicable normative in short. By aiding engineers, metallurgists, and manufacturers in selection of the requisite alloy for their diverse demands, these resources are considered to be the source of invaluable information. Sources with concise pedantic data on Brass Copper Alloy chemical compositions, grade differences and performance specs are now readily available on-line. This helps the industrially aware person to take informed decisions about materials handling.

Brass Copper Alloy Chemical Composition Table

Bronze alloy of aluminium is generally named an aluminium bronze due to its popularity for corrosion resistance and high strength. More often than not copper coils of 90%, in addition to aluminum of 10%, and also with small amounts of other elements such as iron, nickel and many others, offers steel one of the best mechanical properties. The addition of aluminium provides better strength while copper assures very good resisting quality to corrosion, giving it excellent performance in the building of valves, bearings, and marine applications. The composition of the specific alloy may differ based-on the specific properties sought by the end user of the alloy, but the combination of copper and aluminium remains the distinct characteristic of aluminium bronzes.

Brass Copper Alloy Composition Table
UNS No. AS No. Common Name BSI No. ISO No. JIS No. Copper % Zinc % Lead % Other
C21000 210 95/5 Gilding metal - CuZn5 C2100 94–96 ~5   -
C22000 220 90/10 Gilding metal CZ101 CuZn10 C2200 89–91 ~10   -
C23000 230 85/15 Gilding metal Cz103 CuZn20 C2300 84–86 ~15   -
C24000 240 80/20 Gilding metal Cz103 CuZn20 C2400 78.5–81.5 ~20   -
C26130 259 70/30 Arsenical brass Cz126 CuZn30As C4430 69–71 ~30   Arsenic
0.02–0.06
C26000 260 70/30 Brass Cz106 CuZn30 C2600 68.5–71.5 ~30   -
C26800 268 Yellow brass (65/35) Cz107 CuZn33 C2680 64–68.5 ~33   -
C27000 270 65/35 Wire brass Cz107 CuZn35 - 63–68.5 ~35   -
C27200 272 63/37 Common brass Cz108 CuZn37 C2720 62–65 ~37   -
C35600 356 Engraving brass,
2% lead		 - CuZn39Pb2 C3560 59–64.5 ~39 2.0–3.0 -
C37000 370 Engraving brass,
1% lead		 - CuZn39Pb1 C3710 59–62 ~39 0.9–1.4 -
C38000 380 Section brass Cz121 CuZn43Pb3 - 55–60 ~43 1.5–3.0 Aluminum 0.1-0.6
C38500 385 Free cutting brass Cz121 CuZn39Pb3 - 56–60 ~39 2.5–4.5 -

Brasses are often used for their appearance

UNS No Common Name Colour
C11000 ETP Copper Soft Pink
C21000 95/5 Gilding Metal Red Brown
C22000 90/10 Gilding Metal Bronze Gold
C23000 85/15 Gilding Metal Tan Gold
C26000 70/30 Brass Green Gold

 

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Raw Material Prices (Updated as on: 20 May 2024 02:29 AM) LIVE RATES

MetalsPrice/TonnePrice/KG
Nickel$20,953₹1,745.35
LME$21,004₹1,749.63
Copper$11,127₹926.91
LME$10,481₹873.08
Aluminum$2,611₹217.47
LME$2,598₹216.39
Zinc$3,032₹252.55
LME$2,974₹247.73
Lead$2,292₹190.95
LME$2,286₹190.42

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