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ROUND BAR BRONZE
CuSn7Zn4Pb7-C (CC493K) | CuSn12-C (CC483K)

✔ standard  |  ✚ non standard, stock availble

cast size
(mm)

finished size
(mm)
CuSn7Zn4Pb7-C
(CC493K)
CuSn12-C
(CC483K)
approx
kg/m
11 10   0,9
13 12 1,2
16 15 1,8
17 16   2,0
19 18 2,5
21 20 3,0
23 22 3,6
26 25 4,8
29 28   5,9
31 30 6,6

cast size
(mm)

finished size
(mm)
CuSn7Zn4Pb7-C
(CC493K)
CuSn12-C
(CC483K)
approx
kg/m
33 32 7,6
36 35 9,0
41 40 11,7
46 45 14,7
51 50 18,1
56 55 22,0
61 60 26,0
66 65 30,4
71 70 35,2

cast size
(mm)

finished size
(mm)
CuSn7Zn4Pb7-C
(CC493K)
CuSn12-C
(CC483K)
approx
kg/m
76 75 40,3
81 80 45,8
86 85 51,6
91 90 57,8
96 95 64,4
102 100 73,0
107 105   80,0
112 110 88,0
117 115   95,5

cast size
(mm)

finished size
(mm)
CuSn7Zn4Pb7-C
(CC493K)
CuSn12-C
(CC483K)
approx
kg/m
122 120 104,0
127 125   112,5
132 130 122,0
142 140 141,0
152 150 161,5
162 160 183,4
172 170 206,7
182 180 231,4
192 190 259,3

cast size
(mm)

finished size
(mm)
CuSn7Zn4Pb7-C
(CC493K)
CuSn12-C
(CC483K)
approx
kg/m
202 200 285,2
212 210 317,0
222 220 348,0
232 230 380,0
242 240 413,0
252 250 447,0
262 260   484,0
272 270 521,0
282 280 560,0

cast size
(mm)

finished size
(mm)
CuSn7Zn4Pb7-C
(CC493K)
CuSn12-C
(CC483K)
approx
kg/m
304 300 650,0
334 330   785,0
354 350 881,0
404 400 1147,0
454 450 1464,1

Tolerances and machining allowance bronze

Diameter Outside diameter Inside diameter
up to Ø 117 mm + 0 / + 1 mm - 0 / - 1 mm
Ø 122 - Ø 202 mm + 0 / + 1,5 mm - 0 / - 1,5 mm
Ø 212 - Ø 404 mm + 0 / + 2 mm - 0 / - 2 mm
     
Square and rectangle + 0 / +2 mm  
     


Standardlengths: approx. 3000 mm, 2000 mm, 1000 mm en 500 mm.


The stated finished sizes are valid for lengths up to 250 mm and diameters up to 172 mm. For diameters above 172 mm and / or lengths over 250 mm, a larger machining allowance is required.


Our foundries can procude centrifugally cast (flanged)tubes to any desired size up to a maximum diameter of Ø 2000 mm and lengths of 3000 mm in all common alloys

CuSn7Zn4Pb7-C (CC493K) | CuSn7ZnPb

  EN DIN  
Alloy CuSn7Zn4Pb7-C CuSn7ZnPb  
    RG7  
Standard EN 1982 DIN 1705  
Alloy number CC493K 2.1090  
       
Chemical composition   Mechanical properties
Cu 81,0 - 85,0 81,0 - 85,0   EN DIN
Sn 5,4 - 8,0 5,6 - 8,0 Rm ≥ 260 ≥ 270
Zn 2,0 - 5,0 3,0 - 5,0 Rp 0,2 ≥ 120 ≥ 120
Pb 5,0 - 8,0 5,0 - 7,0 A5 ≥ 12 ≥ 16
Ni 2,0 max. 2,0 max. HB ≥ 70 ≥ 70
P 0,10 max. 0,05 max.  
       
kg/dm³ 8,9    
Condition GC, GZ GC  
Characteristics Most common bronze alloy, also called bearing bronze or gunmetal. Suitable for bearings with medium load, good dry running properties, high wear resistance and machinability. General applications: cylinder and bearing liners, gears and wearstrips. Loads up to 4000 N/cm²

CuSn12-C (CC483K) | CuSn12

  EN DIN  
Alloy CuSn12-C CuSn12  
    Gbz12  
Standard EN 1982 DIN 1705  
Alloy number CC483K 2.1052  
       
Chemical composition   Mechanical properties
     
Cu 85,0 - 88,5 84,0 - 88,5   EN DIN
Sn 10,5 - 13,0 10,5 - 13,0 Rm ≥ 300 ≥ 280
Zn 0,5 max. 1,0 max. Rp 0,2 ≥ 150 ≥ 140
Pb 0,7 max. 1,0 max. A5 ≥ 6 ≥ 8
Ni 2,0 max. 2,0 max. HB ≥ 90 ≥ 90
P 0,60 max. 0,4 max.  
       
kg/dm³ ca. 8,9    
Condition GC, GZ GC  
Characteristics Corrosion and seawater resistant, high wear resistance and resistant to high surface loads. Higher mechanical values than with CuSn7Zn4Pb7 due to higher tin content and lower lead and zinc content. As a result, the dry running properties and machinability is less. Applications: bearings with high peripheral speeds, heavily loaded worms and gears, coupling parts and threaded sleeves

CuSn5Zn5Pb5-C (CC491K) | CuSn5ZnPb

  EN DIN  
Alloy CuSn5Zn5Pb5-C CuSn5ZnPb  
    RG5  
Standard EN 1982 DIN 1705  
Alloy number CC491K 2.1096  
       
Chemical composition   Mechanical properties
Cu 83,0 - 87,0 84,0 - 86,0   EN DIN
Sn 4,0 - 6,0 4,0 - 6,0 Rm ≥ 250 ≥ 220
Zn 4,0 - 6,0 4,0 - 6,0 Rp 0,2 ≥ 110 ≥ 90
Pb 4,0 - 6,0 4,0 - 6,0 A5 ≥ 13 ≥ 16
Ni 2,0 max. 2,5 max. HB ≥ 65 ≥ 60
P 0,10 max.    
       
kg/dm³ 8,7    
Condition GC, GZ GS  
Characteristics Usually replaced by CuSn7Zn4Pb7 (RG7) nowadays

CuSn10Zn

  EN DIN  
Alloy niet genormeerd CuSn10Zn  
    RG10  
Standard   DIN 1705  
Alloy number   2.1086  
       
Chemical composition   Mechanical properties
Cu   86,0 - 89,0     DIN
Sn   9,0 - 11,0 Rm   ≥ 260
Zn   1,0 - 3,0 Rp 0,2   ≥ 130
Pb   1,5 max. A5   ≥ 15
Ni   2,0 max. HB   ≥ 77
P   0,05 max.  
       
kg/dm³ 8,7    
Condition GC, GZ and GS

CuSn10-C (CC480K) | CuSn10

  EN DIN  
Alloy CuSn10-C CuSn10  
Standard EN 1982 DIN 1705  
Alloy number CC480K 2.1050  
       
Chemical composition   Mechanical properties
Cu 88,0 - 90,0 88,0 - 90,0   EN DIN
Sn 9,0 - 11,0 9,0 - 11,0 Rm ≥ 280 ≥ 270
Zn 0,5 max. 0,5 max. Rp 0,2 ≥ 170 ≥ 130
Pb 1,0 max. 1,0 max. A5 ≥ 10 ≥ 18
Ni 2,0 max. 2,0 max. HB ≥ 80 ≥ 70
P 0,2 max. 0,2 max.  
       
kg/dm³ ca. 8,7    
Condition GS, GC, GZ GS  
Characteristics Construction material with higher elongation, corrosion and sea water resistance

CuSn12Ni2-C (CC484K) | CuSn12Ni

  EN DIN  
Alloy CuSn12Ni2-C CuSn12Ni  
    Gbz12Ni  
Standard EN 1982 DIN 1705  
Alloy number CC484K 2.1060  
       
Chemical composition   Mechanical properties
     
Cu 84,5 - 87,5 84,0 - 87,0   EN DIN
Sn 11,0 - 13,0 11,0 - 13,0 Rm ≥ 300 ≥ 300
Zn 0,4 max. 0,4 max. Rp 0,2 ≥ 180 ≥ 170
Pb 0,3 max. 0,3 max. A5 ≥ 10 ≥ 10
Ni 1,5 - 2,5 1,5 - 2,5 HB ≥ 95 ≥ 90
P 0,05 - 0,40 0,2 max.  
       
kg/dm³ 8,6    
Condition GC, GZ GC  
Characteristics Good wear resistance, corrosion and seawater resistant. Applications are high-stress spindle nuts, high-speed gear and worm gears

CuSn11Pb2-C (CC482K) | CuSn12Pb

  EN DIN  
Alloy CuSn11Pb2-C CuSn12Pb  
    Gbz12Pb  
Standard EN 1982 DIN 1705  
Alloy number CC482K 2.1061  
       
Chemical composition   Mechanical properties
     
Cu 83,5 - 87,0 84,0 - 87,0   EN DIN
Sn 10,5 - 12,5 11,0 - 13,0 Rm ≥ 280 ≥ 280
Zn 2,0 max. 1,0 max. Rp 0,2 ≥ 150 ≥ 140
Pb 0,7 - 2,5 1,0 - 2,0 A5 ≥ 5 ≥ 7
Ni 2,0 max. 2,0 max. HB ≥ 90 ≥ 85
P 0,4 max. 0,2 max.  
       
kg/dm³ 8,7    
Condition GC, GZ GC  
Characteristics CuSn11Pb has better dry running properties compared to CuSn12. Good abrasion resistance, corrosion and seawater resistance. Applications are bearings with a high impact load and guideway profiles