Avzinkningsfri Mässing

 avzink massing

Copper alloys for free machining, hollow rod
EUROPEAN MATERIAL DESIGNATION
CuZn36Pb2As
CuZn36Pb3
CuZn37Pb2
CuZn38Pb2
CuZn39Pb2
CuZn39Pb3
CuZn40Pb2
CuZn40Mn1Pb1AlFeSn
CuZn37Mn3Al2Pb1Si
EUROPEAN CODE
CW602N
CW603N
CW606N
CW608N
CW612N
CW614N
CW617N
CW721R
CW713R
Nominal Composition %
Cu
61.5/62.2
60.5
61.5
60.5
59.5
57.5
57.5
57.5
57.8
Pb
2.0
3.0
2.0
1.8
2.0
3.0
2.0
1.2
0.6
Al
-
-
-
-
-
-
-
1.0
1.5
Fe
-
-
-
-
-
-
-
0.6
0.4
Mn
-
-
-
-
-
-
-
1.2
1.9
Ni
-
-
-
-
-
-
-
-
-
Si
-
-
-
-
-
-
-
-
0.5
Sn
-
-
-
-
-
-
-
0.6
-
Zn
remainder
remainder
remainder
remainder
remainder
remainder
remainder
remainder
remainder
Others
0.1 As / 0.06 As
-
-
-
-
-
-
-
-
Nearest national equivalent:
France (NF A51-105)
-
CuZn36Pb3
-
-
CuZn39Pb2
CuZn40Pb3
-
-
-
Germany (DIN 17660)
-
CuZn36Pb3
-
CuZn38Pb1.5
CuZn39Pb2
CuZn39Pb3
CuZn40Pb2
-
CuZn40Al2
U.K. BS (2872 / BS 2874)
CZ132
CZ124
CZ131
CZ128
CZ128
CZ121Pb3
CZ122
CZ114
CZ135
U.S.A. (UNS)
C35330
C36000
C35300
-
-
C38500
C37710
-
C67420
Manufacturing:
Machinability Index (%)*
70
95
70
75
80
100
90
75
50
Cold Working
GOOD
MODERATE/
GOOD
GOOD
MODERATE
MODERATE
POOR/ MODERATE
MODERATE
POOR
POOR
Hot Working
MODERATE
MODERATE
MODERATE
MODERATE
GOOD
GOOD
VERY GOOD
GOOD
GOOD
Hot Working Temperature (°C)
700-800
700-800
700-800
700-800
700-800
700-800
625-750
-
-
Typical mechanical properties
Tensile strength (N/mm²)
350-450
450-550
550-650
Elongation
20-30
15-25
10-20
Hardness HVIO
100-150
130-180
160-220
Typical physical properties
Density (kg/dm³)
8.43
8.44
8.42
8.43
8.42
8.47
8.42
8.36
8.27
Modulus of elasticity (kN/mm²)
98-100
95-97
Melting Range (°C)
880-910
880-940
Co-efficient of linear expansion x10-6K (20-300°C)
20.6-21.0
20
Thermal conductivity (W/mK)
115-120
88
Electrical resistivity (mWm)
0.064-0.066
0.096-0.110
Electrical conductivity (%IACS)
26-27
15-18
APPLICATIONS
& CHARACTERISTICS
Dezincification
resistant brass Available with 0.1-0.06 As
American free machining and semi riveting brass
Riveting and turning brass
General purpose
machining brass for moderate bending or riveting
General purpose machining brass for limited bending or riveting
The standard high speed free machining brass
The standard Hot forging brass
General purpose high tensile brass
High strength manganese brass with silicon for enhanced wear resistance. Uses include gear -box parts and bearings.
Relevant european standards
EN 12165: Wrought and unwrought forging stock
*
-
-
*
*
*
*
*
*
EN 12168: Hollow rod for free machining purposes
*
*
*
*
*
*
*
*
*
* CuZnPb3 (CW614N) = 100%

 

(Source: www.bolidenbrass.com)

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Ramo AB takes no responsibility in the eventuality of errors in the above information.

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