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Brass bars

Brass bar for bar turning and hot stamping. Available in round, rectangular, hexagonal and hollow formats.

Supply formats:

  • Round

  • Rectangular

  • Hexagonal

  • Hollow

Data sheet: Brass bars

Bronmetal supplies brass bars in two types of alloys: copper-zinc-lead and complex copper-zinc alloys for improved properties. This type of product is designed for bar turning and hot stamping applications because they offer good wear and fatigue resistance – suitable for parts subjected to friction and repetitive movements. In addition, brass is a material with good ductility and malleability and a high resistance to corrosion, especially salt water.

Brass bar is used as a starting material in bar turning because, due to its composition, it is easy to handle and form. It is therefore an ideal material for the production of complex and detailed parts. Brass is characterised by its machinability, corrosion resistance and excellent thermal and electrical conductivity.

COPPER - ZINC - LEAD ALLOYS

Material Designation Composition in % (mass fraction) Density g/cm3
Symbolic Numerical Elemento Cu Al As Fe Mn Ni Pb Sn Zn total others approx.
Alloys of group A. These alloys exhibit excellent machinability but an aptitude to cold forming very limited
CuZn36Pb3 CW603N min. 60,0 - - - - - 2,5 - Rest - 8,5
max. 62,0 0,05 - 0,3 - 0,3 3,5 0,2 - 0,2
CuZn38Pb4 CW609N min. 57,0 - - - - - 3,5 - Rest - 8,4
max. 59,0 0,05 - 0,3 - 0,3 4,2 0,3 - 0,2
CuZn39Pb3 CW614N min. 57,0 - - - - - 2,5 - Rest - 8,4
max. 59,0 0,05 - 0,3 - 0,3 3,5 0,3 - 0,2
CuZn40Pb2 CW617N min. 57,0 - - - - - 1,6 - Rest - 8,4
max. 59,0 0,05 - 0,3 - 0,3 2,5 0,3 - 0,2
Alloys of group B. These allors exhibir a good machinability and an aptitude to cold forming
CuZn37Pb2 CW606N min. 61,0 - - - - - 1,6 - Rest - 8,4
max. 62,0 0,05 - 0,2 - 0,3 2,5 0,2 - 0,2
CuZn38Pb2 CW608N min. 60,0 - - - - - 1,6 - Rest - 8,4
max. 61,0 0,05 - 0,2 - 0,3 2,5 0,2 - 0,2
CuZn39Pb2 CW612N min. 59,0 - - - - - 1,6 - Rest - 8,4
max. 60,0 0,05 - 0,3 - 0,3 2,5 0,3 - 0,2
Alloys of group C. These alloys are machinable and have very good suitability dor col forming
CuZn35Pb1 CW600N min. 62,5 - - - - - 0,8 - Rest - 8,5
max. 64,0 0,05 - 0,1 - 0,3 1,6 0,1 - 0,1
CuZn35Pb2 CW601N min. 62,0 - - - - - 1,6 - Rest - 8,5
max. 63,5 0,05 - 0,1 - 0,3 2,5 0,1 - 0,1
CuZn38Pb1 CW607N min. 60,0 - - - - - 0,8 - Rest - 8,4
max. 61,0 0,05 - 0,2 - 0,3 1,6 0,2 - 0,2
CuZn39Pb0,5 CW610N min. 59,0 - - - - - 0,2 - Rest - 8,4
max. 60,5 0,05 - 0,2 - 0,3 0,8 0,2 - 0,2
CuZn39Pb1 CW611N min. 59,0 - - - - - 0,8 - Rest - 8,4
max. 60,0 0,05 - 0,2 - 0,3 1,6 0,2 - 0,2
Alloys of group D. This alloy is resistant to dezincification and exhibits good machinabiliy and an aptitude to cold forming
CuZn36Pb2As CW602N min. 61,0 - 0,02 - - - 1,7 - Rest - 8,4
max. 63,0 0,05 0,15 0,1 0,1 0,3 2,8 0,1 - 0,2
Alloys of group E. These alloys exhibit a good machinability and a limited ability to cold forming
CuZn39Pb2Sna CW613Na min. 59,0 - - - - - 1,6 0,2 Rest - 8,4
max. 60,0 0,1 - 0,4 - 0,3 2,5 0,5 - 0,2
CuZn40Pb2Sna CW619Na min. 57,0 - - - - - 1,6 0,2 Rest - 8,4
max. 59,0 0,1 - 0,4 - 0,3 2,5 0,5 - 0,2
a Los productos fabricados con estas aleaciones no son aptos para el mecanizado a altas velocidades. Por tanto no se fabrican barras de Diameter o distancia entre caras inferior a 12 mm. Estas aleaciones se suprimirán de esta norma antes del 1 de enero de 2000.
 

COPPER - ZINC ALLOYS COMPLEX

Material Designation Composition in % (mass fraction) Density g/cm3
Symbolic Numerical Elemento Cu Al Fe Mn Ni Pb Si Sn Zn total others approx.
CuZn36Pb2Sn1 CW711R min. 59,5 - - - - 1,3 - 0,5 Rest - 8,5
max. 61,5 - 0,1 - 0,3 2,2 - 1,0 - 0,2
CuZn37Mn3Al2PbSi CW713R min. 57,0 1,3 - 1,5 - 0,2 0,3 - Rest - 8,1
max. 59,0 2,3 1,0 3,0 1,0 0,8 1,3 0,4 - 0,3
CuZn37Pb1Sn1 CW714R min. 59,0 - - - - 0,4 - 0,5 Rest - 8,4
max. 61,0 - 0,1 - 0,3 1,0 - 1,0 - 0,2
CuZn40Mn1Pb1 CW720R min. 57,0 - - 0,5 - 1,0 - - Rest - 8,3
max. 59,0 0,2 0,3 1,5 0,6 2,0 0,1 0,3 - 0,3
CuZn40Mn1Pb1AlFeSn CW721R min. 57,0 0,3 0,2 0,8 - 0,8 - 0,2 Rest - 8,3
max. 59,0 1,3 1,2 1,8 0,3 1,6 - 1,0 - 0,3
CuZn40Mn1Pb1FeSn CW722R min. 56,5 - 0,2 0,8 - 0,8 - 0,2 Rest - 8,3
max. 58,5 0,1 1,2 1,8 0,3 1,6 - 1,0 - 0,3

LEAD-FREE BRASS

EN DIN ASTM BS JIS SN
SYMBOLIC NUMERICAL SYMBOLIC NUMERICAL
CuZn5 CW500L CuZn5 2.0220 C21000 - C2100 CuZn5
CuZn10 CW501L CuZn10 2.0230 C22000 CZ101 C2200 CuZn10
CuZn15 CW502L CuZn15 2.0240 C23000 CZ102 C2300 CuZn15
CuZn20 CW503L CuZn20 2.0250 C24000 CZ103 C2400 CuZn20
CuZn28 CW504L CuZn28 2.0261 - - . CuZn28
CuZn30 CW505L CuZn30 2.0265 C26000 CZ106 C2600 CuZn30
CuZn33 CW506L CuZn33 2.0280 C26800 CZ107 C2680 -
CuZn36 CW507L CuZn36 2.0335 C27000 CZ108 C2700 CuZn36
CuZn37 CW508L CuZn37 2.0321 C27200 CZ108 C2700 CuZn37
CuZn40 CW509L CuZn40 2.0360 C28000 CZ109 C2800 CuZn40
 

LEADED BRASS

EN DIN ASTM BS JIS SN
SYMBOLIC NUMERICAL SYMBOLIC NUMERICAL
CuZn37Pb0,5 CW604N CuZn37Pb0,5 2.0332 C33500 - - CuZn37Pb0,5
CuZn35Pb1 CW600N CuZn36Pb1,5 2.0331 C34000 CZ118 C3501 CuZn36Pb1
CuZn35Pb2 CW601N CuZn36Pb1,5 2.0331 C34200 CZ119 - CuZn35Pb2
C34500 CZ131
CuZn37Pb1 CW605N - - C35000 CZ131 C3501 -
CuZn37Pb2 CW606N - - C35300 CZ131 C3601 CuZn37Pb2
CuZn36Pb2As CW602N - - C35330 CZ132 - -
CuZN36Pb3 CW603N 2.0375 CuZn36Pb3 C36000 CZ124 C3601 CuZn36Pb3
C3602
CuZn38Pb4 CW609N - - - CZ121/4 C3605 -
CuZn39Pb0,5 CW610N CuZn39Pb0,5 2.0372 C36500 CZ123 - CuZn39Pb0,5
CuZn38Pb1 CW607N - - C37000 CZ129 C3501 CuZn38Pb1
CuZn38Pb2 CW608N - - C37700 CZ128 - CuZn38Pb2
CuZn39Pb2 CW612N CuZn39Pb2 2.0380 C37700 CZ128 C3771 CuZn39Pb2
CuZn40Pb2 CW617N CuZn40Pb2 2.0402 C37800 CZ120 C3603 CuZn40Pb2
C38000 C3604
CuZn43Pb2Al CW624N CuZn44Pb2 2.0410 C38000 - - -
CuZn39Pb3 CW614N CuZn39Pb3 2.0401 C38500 CZ121/3 C3603 CuZn39Pb3
C3604
CuZn40Pb1Al CW616N - - - - - CuZn40Pb1
CuZn42PbAl CW621N - - - - - -
CuZn39Pb1 CW719R CuZn38Sn1 3.0530 C46400 CZ133 - CuZn38Sn1
CuZn31Si CW708R CuZn31Si 2.0490 - - - -
CuZn37Mn3Al2PbSi CW713R CuZn40Al2 2.0550 C67410 CZ 135 - CuZn40Al2
CuZn35Ni3Mn2AlPb CW710R CuZn35Ni 2.0540 - - - -
CuZn40Mn1Pb1 CW720R CuZn40Mn1Pb 2.0580 - CZ136 - CuZn40Mn1Pb1
CuZn40Mn2Fe1 CW723R CuZn42Mn2 2.0572 - - - CuZn42Mn2
CuZn20Al2As CW702R CuZn20Al2 2.0460 C68700 CZ110 C6870 -

COPPER - ZINC - LEAD ALLOYS

Designations Nominal dimension of cross section Tensile Strength Rm N/mm2 min. Proof stress 0,2% Rp0.2 N/mm2 approx. Elongation Hardness HB ó HV approx.
Material Metallurgical State Diameter Distance between faces A100mm % min. A11.3 % min. A % min.
Symbolic Numerical From Greater than Up to and including From Greater than Up to and including
CuZn35Pb1 CuZn35Pb2 CW600N CW601N M 2 - 60 2 - 50 Manufacturing gross
R370 2 - 14 2 - 10 370 (250) 16 20 25 (110)
R370 - 14 40 - 10 35 370 (180) - - 30 (90)
R330 - 40 60 - 35 50 330 (150) - - 30 (90)
R440 2 - 14 2 - 10 440 (340) 10 12 14 (130)
CuZn36Pb2As CW602N M 6 - 40 5 - 35 Manufacturing gross
R280 6 - 40 5 - 35 280 (120) - 25 30 (80)
R350 6 - 40 5 - 35 350 (150) - 20 25 (90)
R430 6 - 14 5 - 10 430 (200) - 12 15 (110)
CuZn36Pb3 CW603N M 2 - 80 2 - 60 Manufacturing gross
R360 6 - 40 5 - 35 360 (180) - 15 20 (90)
R340 - 40 80 - 35 60 340 (160) - - 20 (90)
R400 2 - 25 2 - 20 400 (250) 8 10 12 (120)
R480 2 - 12 2 - 10 480 (380) (4) 6 8 (140)
R550 2 - 4 2 - 4 550 (450) - - - (150)
CuZn37Pb2 CW606N M 2 - 80 2 - 60 Manufacturing gross
R340 6 - 40 5 - 35 340 (180) - 15 20 (90)
R320 - 40 80 - 35 60 320 (160) - - 20 (90)
R400 2 - 25 2 - 20 400 (250) 8 10 12 (120)
R480 2 - 14 2 - 10 480 (380) (4) 6 8 (140)
R550 2 - 6 2 - 5 550 (450) - - - (150)
CuZn38Pb1 CuZn38Pb2 CuZn39Pb0,5 CuZn39Pb1 CuZn39Pb2 CuZn39Pb2Sna CW607N CW608N CW610N CW611N CW612N CW613Na M 2 - 80 2 - 60 Manufacturing gross
R380 6 - 40 5 - 35 380 (160) - 16 20 (90)
R360 - 40 80 - 35 60 360 (150) - - 25 (90)
R410 2 - 40 2 - 35 410 (250) 10 12 15 (120)
R490 2 - 6 2 - 5 490 (370) (4) 6 - (140)
R490 - 6 14 - 5 10 490 (370) - 6 8 (140)
R550 2 - 6 2 - 5 550 (420) - - - (150)
CuZn38Pb4 CuZn39Pb3 CuZn40Pb2 CuZn40Pb2Sna CW609N CW614N CW617N CW619Na M 2 - 80 2 - 60 Manufacturing gross
R400 6 - 14 5 - 10 400 (160) - 12 15 (90)
R380 - 14 40 - 10 35 380 (160) - - 18 (90)
R360 - 40 80 - 35 60 360 (150) - - 20 (90)
R430 2 - 40 2 - 35 430 (250) 6 8 10 (120)
R500 2 - 14 2 - 10 500 (390) (4) 6 8 (150)
R550 2 - 6 2 - 5 550 (420) - - - (150)
a Products made of these alloys are not avaiable with diameter or with across flats of less tan 12 mm.
NOTE 1 - The numbers in brackets are not requirements for this regulation, they are given for informative purposes
NOTE 2 - 1N/mm2 is equivalent to 1 MPa
 

ALEACIONES COMPLEJAS DE COBRE-CINC

Designations Dimensión nominal de la sección recta Tensile Strength Rm N/mm2 min. Proof stress of0,2% Rp0.2 N/mm2 approx. Elongation Hardness HB ó HV approx.
Diameter Distance between faces A100mm % min. A11.3 % min. A % min.
Material Metallurgical State From greather than Up to and including From greather than Up to and including
Symbolic Numerical
CuZn36Pb2Sn1 CuZn37Pb1Sn1 CW711R CW714R M 2 - 80 2 - 60 Manufacturing gross
R390 12 - 25 10 - 20 390 (240) - - 18 (120)
R370 - 25 50 - 20 40 370 (220) - - 22 (110)
R360 - 50 80 - 40 60 360 (200) - - 25 (110)
R410 2 - 50 2 - 40 410 (250) 12 15 18 (125)
R460 2 - 25 2 - 20 460 (350) 6 8 10 (140)
R500 2 - 12 2 - 10 500 (400) (2) (3) 5 (160)
CuZn37Mn3Al2PbSi CW713R M 6 - 80 - - Manufacturing gross
R540 6 - 80 - - 540 (280) - 12 15 (150)
R590 6 - 50 - - 590 (320) - 10 12 (160)
R570 - 50 80 - - 570 (300) - - 12 (150)
R640 6 - 15 - - 640 (400) - (3) 5 (180)
R620 - 15 50 - - 620 (350) - - 8 (170)
CuZn40Mn1Pb1 CW720R M 2 - 80 4 - 60 Manufacturing gross
R390 10 - 80 10 - 60 390 (200) - - 20 (110)
R440 6 - 50 5 - 40 440 (250) - 15 18 (120)
R490 2 - 20 4 - 16 490 (350) 6 8 10 (140)
R560 2 - 4 - - 560 (500) - - - (160)
CuZn40Mn1Pb1 CW720R M 2 - 80 4 - 60 Manufacturing gross
R390 10 - 80 10 - 60 390 (200) - - 20 (110)
R440 6 - 50 5 - 40 440 (250) - 15 18 (120)
R490 2 - 20 4 - 16 490 (350) 6 8 10 (140)
R560 2 - 4 - - 560 (500) - - - (160)
CuZn40Mn1Pb1AlFeSn CuZn40Mn1Pb1FeSn CW721R CW722R M 2 - 80 2 - 60 Manufacturing gross
R460 2 - 18 2 - 15 460 (250) 10 12 14 (130)
R450 - 18 40 - 15 35 450 (220) - - 16 (130)
R440 - 40 80 - 35 60 440 (200) - - 18 (120)
R520 2 - 30 2 - 25 520 (290) 8 10 12 (150)
R500 - 30 60 - 25 50 500 (250) - - 14 (140)
NOTE 1 - The numbers in brackets are not requirements for this regulation, they are given for informative purposes.
NOTE 2 - 1 N/mm2equivalent a 1 Mpa

DISTANCE TOLERANCE BETWEEN FACES IN REGULAR POLIGONAL SECTION BARS

Nominal Distance between faces Tolerances
greather than up to and including
2a 3 0
-0,06
3 6 0
-0,08
6 10 0
-0,09
10 18 0
-0,11
18 30 0
-0,13
30 50 0
-0,16
50 60 0
-0,19
a 2 is included.
 

DIAMETER TOLERANCES ROUND SECTION BARS (INCLUDING CIRCULARITY)

Nominal Diameter Tolerances (Including circularity)
greather than up to and including Class A Class B
2a 3 0 0
-0,04 -0,025
3 6 0 0
-0,05 -0,030
6 10 0 0
-0,06 -0,036
10 18 0 0
-0,07 -0,043
18 30 0 0
-0,08 -0,052
30 50 0 -
-0,16
50 60 0 -
-0,19
a 2 is included.
 

Documentation download

Title
Other languages
Type
Created
INDUSTRIAL SECTOR Bronmetal
Type Catalogue
Created 07/07/2020
Brass bars
Type Technical sheets
Created 03/07/2020
Bar cutting
Type Technical sheets
Created 02/12/2019
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