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Sinterform-Gleitlager-Technik AG Telefon: +41 43 322 32 60
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Special Brass (Copper-Zinc-alloys)
DIN 17 660 bzw. DIN EN 12 163 bis 12 168/12 420/12 449/12 451/1652/1653
 
Alloy EN
 number 
 Density  ca.    Composition   
 in % of weight 
Properties and use
 CuZn37Mn3Al2PbSi   
DIN EN
12164 - 168
12420
12449
 CW713R 

8,1
CU 57,0 - 59,0
Mn 1,5 - 3,0
Al 1,3 - 2,3
Pb 0,2 - 0,8
Si 0,3 - 1,3
Zn Balance
High-strength construction material. Good resistance to atmospheric corrosion, slightly aggressive waters and gases and oil corrosion. For high demands on sliding stress, high wear resistance. Medium machinability. Construction parts in mechanical engineering, slide bearings, valve guides, gear parts, piston rings.

Product with information obligations to REACH-Legislation
 
Important
tempers
Tensile Strength
Rm
N/mm²
Yield Stress
Rp0,2

N/mm²
Elongation
A
%
Bars

M
R540
R590


*

≥ 540
≥ 590


*
≥ 280
≥ 370


*
≥  15
≥  10
Rohre

M
R590
R540


*

≥ 590
≥ 540


*
≥ 320
≥ 250


*
≥   8
≥  10
   * = mechanical properties as manufactured

Comparable Specifications::
CuZn40Al2, 2.0550, DIN 17660
C67400 UNS 
CZ 135 BS, 2870-2875

 
Alloy EN
number
Density ca.    Composition   
 in % of weight 
Properties and use
 CuZn35Ni3Mn2AlPb 

DIN EN
12163
12167
12420
12449
CW710R  8.3 Cu 58,0 - 60,0
Ni 2,0 - 3,0
Mn 1,5 - 2,5
Al 0,3 - 1,3
Pb 0,2 - 0,8
Zn Balance
Construction material, medium to high strength. Seawater-resistant. Medium machinability. Apparatus engineering, shipbuilding.

Product with information obligations to REACH-Legislation
 
Important
tempers
Tensile Strength
Rm
N/mm²
Yield Stress
Rp0,2

N/mm²
Elongation
A
%
Bars

M
R490



*

≥ 490


*
≥ 290


*
≥  18
   * = mechanical properties as manufactured

Comparable Specifications::
CuZn35Ni2, 2.0540, DIN 17660

 
Alloy EN
number
  Density  
ca.
   Composition   
 in % of weight 
Properties and use
CuZn21Si3P 

DIN EN
12163 - 12168


CW724R  8.3 Cu 75,0 - 77,0
Si 2,7 - 3,5
P 0,02 - 0,10
Pb max. 0,1
Zn Balance
CW724R / CuZn21Si3P is a lead-free, high performance special brass alloyed with silicon. It has high hardness and tensile strength while it exhibits very good resistance against dezincification and stress corrosion cracking. It satisfies the ELV and RoHS regulations and meets the E.U. drinking water requirements. It has been widely used around the world and applications can be found in many industries such as electrical and electronics, automotive, sanitary.

Product with information obligations to REACH-Legislation
 
Important
tempers
Tensile Strength
Rm
N/mm²
Yield Stress
Rp0,2

N/mm²
Elongation
A
%
R600 - H130

> 600 > 300
> 12

Comparable Specifications::
C69300

 
Alloy EN
number
Density ca.    Composition   
 in % of weight 
Properties and use
CuZn40Mn2Fe1 

DIN EN
12163
12167
12420
12449
CW723R  8.3 Cu 56,5 - 58,5
Mn 1,0 - 2,0
Fe 0,5 - 1,5
Pb < 0,5
Zn Balance
Medium-strength aluminium-free construction material. Solderable. Medium machinability. Weather-resistant. Apparatus engineering, architecture ("architectural bronze"), wrought parts.

Product with information obligations to REACH-Legislation
 
Important
tempers
Tensile Strength
Rm
N/mm²
Yield Stress
Rp0,2

N/mm²
Elongation
A
%
Bars

M
R460



*

≥ 460


*
(ca 270)


*
≥  20
   * = mechanical properties as manufactured

Comparable Specifications::
CuZn40Mn2, 2.0572, DIN 17660

 
Alloy EN
number
Density ca.    Composition   
 in % of weight 
Properties and use
CuZn31Si1 

DIN EN
12163
12449
CW708R  8.4 Cu 66,0 - 70,0
Si 0,7 - 1,3
Pb < 0,8
Zn Balance
Bearing material for sliding stress under high loads. Bearing bushings, guides and other sliding components.

Product with information obligations to REACH-Legislation
 
Important
tempers
Tensile Strength
Rm
N/mm²
Yield Stress
Rp0,2

N/mm²
Elongation
A
%
Bars

M
R460



*

≥ 460


*
≥ 240


*
≥  22
   * = mechanical properties as manufactured

Comparable Specifications::
CuZn40Mn2, 2.0572, DIN 17660

 
Alloy EN
 number 
Density ca.    Composition   
 in % of weight 
Properties and use
CuZn38Sn1As 

DIN EN
1653
CW717R  8.4 Cu 59,0 - 62,0
Sn 0,5 - 1,0
As 0,02 - 0,06
Pb < 0,2
Zn Balance
 "Naval Brass". Medium-strength construction material, good heat formability. Seawater-resistant. Apparatus engineering, especially for tube sheets for condensers and heat exchangers. Boat fittings, propeller shafts for boats.

Product with information obligations to REACH-Legislation
 
Important
tempers
Tensile Strength
Rm
N/mm²
Yield Stress
Rp0,2

N/mm²
Elongation
A
%
Plates

hard as rolled
R340
R400


*

≥ 340
≥ 400


*
≥ 120
≥ 200


*
≥ 30
≥ 18
   * = mechanical properties as manufactured

Comparable Specifications::
CuZn38Sn1, 2.0530, DIN 17660
C46400 UNS
CZ 112, BS 2870-2875
 
 

Other special brass alloys on demand.

We supply:
Bars
to DIN 17 672 resp. DIN EN 12 163/12 164/12 167
Hollow bars
to DIN 17 671/1 785 resp. DIN EN 12 168/12 449/12 451
Plates / Strips:
to DIN 17 670 resp. DIN EN 1652/1653
Profiles
to DIN 17 674 resp. DIN EN 12 167
Bushes for plain bearings
to DIN 1 850
Forgings
to DIN EN 12 420

 
 

Other cast special brass alloys on demand.

We supply:
GC = Continuous casting
GZ = Centrifugal casting
GM = Gravity die casting
 
 
Alloy EN
 number 
 Density 
ca.
   Composition   
 in % of weight 
Properties and use
 CuZn25Al5Mn4Fe3-C 

DIN EN 1982



CC762S  8.2 Cu 60,0 - 67,0
Mn 2,5 - 5,0
Al 3,0 - 7,0
Fe 1,5 - 4,0
Pb < 0,2
Zn Balance
Very high strength values. Bearings at high load and low sliding speed. Highly stressed, slow-moving worm wheel rims, internal parts of high-pressure fittings. Less suitable for dynamic loads and vibrations.

Product with information obligations to REACH-Legislation
 
Important
tempers
Tensile Strength
Rm
N/mm²
Yield Stress
Rp0,2

N/mm²
Elongation
A
%
 Hardness 
HB
GC
GZ


≥ 750
≥ 750
≥ 480
≥ 480
≥ 5
≥ 5
≥190
≥190

Comparable Specifications::
CuZn25Al5, 2.0598, DIN 1709
C86300 UNS
HTB 3, BS 1400
 
 
Alloy EN
number
 Density 
ca.
   Composition   
 in % of weight 
Properties and use
 CuZn34Mn3Al2Fe1-C 

DIN EN 1982



CC764S  8.6 Cu 55,0 - 66,0
Mn 1,0 - 4,0
Al 1,0 - 3,0
Fe 0,5 - 2,5
Pb ≤ 0,3
Zn Balance
High strength values, medium machinability. Parts subject to static loads, valve and control components. Not recommended for dynamic loads. Despite moderate sliding properties for slide bearings with high surface pressures and demands on running properties and wear resistance.

Product with information obligations to REACH-Legislation
 
Important
tempers
Tensile Strength
Rm
N/mm²
Yield Stress
Rp0,2

N/mm²
Elongation
A
%
 Hardness 
HB
GZ

≥ 620
≥ 260
≥ 14
≥ 150

Comparable Specifications::
CuZn34Al2, 2.0596, DIN 1709
C86200 UNS
HTB 2, BS 1400
 
 
Alloy EN
number
 Density 
ca.
   Composition   
 in % of weight 
Properties and use
 CuZn35Mn2Al1Fe1-C 

DIN EN 1982



CC765S  8.6 Cu 57,0 - 65,0
Mn 0,5 - 3,0
Al 0,5 - 2,5
Fe 0,5 - 2,0
Pb < 0,5
Zn Balance
Medium strength properties, medium machinability, moderate sliding properties. Pressure nuts, ground bushings and stuffing boxes, propellers, valve and control components.

Product with information obligations to REACH-Legislation
 
Important
tempers
Tensile Strength
Rm
N/mm²
Yield Stress
Rp0,2

N/mm²
Elongation
A
%
 Hardness 
HB
GC
GZ


≥ 500
≥ 500
≥ 200
≥ 200
≥ 18
≥ 18
≥ 120
≥ 120

Comparable Specifications::
CuZn35Al1, 2.0592, DIN 1709
C86400 UNS
HTB 1, BS 1400
 
 
Alloy EN
number
 Density 
ca.
   Composition   
 in % of weight 
Properties and use
 CuZn37Al1-C 

DIN EN 1982



CC766S  8,5 Cu 60,0 - 64,0
Al 0,3 - 1,8
Pb ≤ 0,5
Zn Balance
Medium strength properties, medium machinability. Construction parts for mechanical engineering, electrical engineering, precision engineering.

Product with information obligations to REACH-Legislation
 
Important
tempers
Tensile Strength
Rm
N/mm²
Yield Stress
Rp0,2

N/mm²
Elongation
A
%
 Hardness 
HB
GM

≥ 450
≥ 170
≥ 25
≥ 105

Comparable Specifications::
CuZn37Al1, 2.0595, DIN 1709