Brass – Materials and norms

Brass

Brass is an alloy of copper and zinc. For technical applications, grades with at least 58% copper content are significant. Due to the wide range of Cu:Zn ratios and other additives used, the properties of individual brasses vary significantly, leading to their categorization into: alpha brasses, alpha-beta (duplex) brasses, beta brasses, leaded brasses, naval brasses, high-tensile brasses, yellow brasses, white brasses, and silicon brasses. In general, brass has good machinability, corrosion resistance, good electrical and thermal conductivity and a low melting point.

Brass is s commonly used in cases where endurance (corrosion and wear resistance) and/or low friction of components is required, for example in locks, hinges, gears, bearings, firearm cartridges, zippers, water pipes, hose couplings, valves, electrical plugs, brackets, switches, screw down nuts, bridge pins, cams, bushings, pump moldings dies, frames, gears, hooks, hydraulic cylinder parts, large valve stems, propellers, struts, wear rings, boat parts, clamps, marine hardware covers, rudders, gun mounts… For safety reasons (to avoid sparks), brass is applied in fittings or tools used near flammable or explosive substances. Brass is also used in production of musical instruments, dishes, and jewelry.

We supply brass in the form of bars (round, flat, square, hexagonal, hollow), tubes or sheets (plates). We cut semi-finished products into precise pre-final dimensions using band saws.

Below you will find a selection of the most common material grades we work with. Note for European standards (EN): the prefix CC (e.g. CC492K) indicates castings, CB (e.g. CB492K) indicates ingots, and CW (e.g. CW492K) indicates alloys intended for forming. Note for mechanical properties tables: values ​​may vary depending on the manufacturing process and profile – more precise information for a specific semi-finished product is available on request. 

If you are interested in another grade or alloy, do not hesitate to contact us.

Grade ČSN EN DIN ASTM (UNS) GOST Afnor
Cu60ZnSi
055686
CF724R
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CuZn16Si4
423303
CC761S
C87500
LC15K4
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CuZn21Si3P
CC768S (CW724R)
C69300
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CuZn25Al5
423311
CC762S
2.0598
C86300
LC23AZ3Mc
CuZn19AI6Y20
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CuZn25Al5Mn4Fe3
423311
CC762S
2.0598
C86300
LC23AZ3Mc
CuZn19AI6Y20
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CuZn28Al4Ni3SiMn Read more
CuZn31Si1
CW708R
2.0490
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CuZn33Pb2Si
CC751S
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CuZn34Mn3Al2Fe1
CC764S
2.0596
C86200
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CuZn35Al1
423322
CC765S
2.0592
C86400
CuZn30AIFeMn
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CuZn35Al1Mn2
CC765S
2.0592
C86400
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CuZn35Mn2Al1Fe1
CC765S
2.0592
C86400
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CuZn35Ni3Mn2AlPb
CW710R
2.0540
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CuZn36Pb
CC770S
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CuZn36Pb2As
CW602N
C35330
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CuZn37
423213
CW508L
2.0321
C27400 (C27200)
L63
CuZn37
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CuZn37Al1
423321
CC766S
2.0595
C85800
LC40S
CuZn40Y40
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CuZn37Mn3Al2PbSi
CW713R
2.0550
C67400
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CuZn37Pb2Ni1Al
CC752S
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CuZn37Pb2Ni1AlFe
CC753S
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CuZn38Al
CC767S
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CuZn38Pb1
CW607N
2.0371
C35300 (C37000)
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CuZn39Pb1
423222
CW611N
2.0371
C37000
LS59-1
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CuZn39Pb1Al
CC754S
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CuZn39Pb1AlB
CC755S
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CuZn39Pb2
423223
CW612N
2.0402
C37700
CuZn39Pb2
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CuZn39Pb3
423223
CW614N
2.0401
C38500
CuZn40Pb3
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CuZn40
423220
CW509L
2.0360
C27450
L60
CuZn40
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CuZn40Al2
CW713R
2.0550
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CuZn40Bi1,5 Read more
CuZn40Mn2Fe1
CW723R
2.0572
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CuZn40Pb2
423223
CW617N
2.0402
C37700
LS60-2
CuZn39Pb2
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