TIN BRONZES

Characteristics and applications

Here you can find a list of our products, other alloys are available on request.

For further informations and orders, please contact us.
+39 010 710674

G-CuSn5Zn5Pb5

This alloy has general use; it offers great machinability. Its absolute firmness makes it suitable for hydraulics.


  • International specifications
  • Chemical composition
  • Mechanical characteristics
IT EU D GB USA
A�UNI7013/8 CC491K A�Cu Sn5 Zn Pb A�LG2 A�C83600
Cu Sn Zn Pb Ni P Fe Si Mn Al
83A�87 4A�6 4A�6 4A�6 Max 2 Max 0,1 Max 0,3 Max 0,01 / Max 0,01
Tensile strenght Rm N/mm2 Min. Yeld stress 0,2% Rp 0,2 N/mmA? Min. Elongation A% Min. Hardness HB Min.
250 110 13 65

G-CuSn12

This alloy is suitable for supports and bushings for steel shaft. Ita��s used for hydraulic applications, gears/sprockets with steel endless screw.


  • International specifications
  • Chemical composition
  • Mechanical characteristics
IT EU D GB USA
A�UNI7013/2 CC483K A�Cu Sn12 A�PB1 A�C90700
Cu Sn Zn Pb Ni P Fe Si Mn Al
85A�88,5 11A�13 Max 0,5 Max 0,7 Max 2,0 Max 0,6 Max 0,2 Max 0,01 Max 0,2 Max 0,01
Tensile strenght Rm N/mm2 Min. Yeld stress 0,2% Rp 0,2 N/mmA? Min. Elongation A% Min. Hardness HB Min.
300 150 6 90

G-CuSn7Zn4Pb7

Seawater-resistant, it has good machinability. Rollers and sliders with 4000 N/cm2 peak load.


  • International specifications
  • Chemical composition
  • Mechanical characteristics
IT EU D GB USA
A�UNI7013/7 CC493K A�Cu Sn7 Zn Pb A�C93200
Cu Sn Zn Pb Ni P Fe Si Mn Al
81A�85 6A�8 2A�5 5A�8 Max 2 Max 0,1 Max 0,2 Max 0,01 / Max 0,01
Tensile strenght Rm N/mm2 Min. Yeld stress 0,2% Rp 0,2 N/mmA? Min. Elongation A% Min. Hardness HB Min.
260 120 12 70

G-CuSn10Pb10

Suitable for bushings for shafts with medium load. Seawater-resistant, general use (pumps, valves, sliders)


  • International specifications
  • Chemical composition
  • Mechanical characteristics
IT EU D GB USA
A�UNI7013/3 CC480K A�Cu Pb10 Sn A�LB2 A�C93700
Cu Sn Zn Pb Ni P Fe Si Mn Al
88A�90 9A�11 Max 0,5 Max 1,0 Max 2,0 Max 0,2 Max 0,2 Max 0,02 Max 0,1 Max 0,01
Tensile strenght Rm N/mm2 Min. Yeld stress 0,2% Rp 0,2 N/mmA? Min. Elongation A% Min. Hardness HB Min.
280 170 10 80

G-CuSn10

This alloy is used for bushings for shafts with medium load; ita��s seawater-resistant. General use (pumps, valves, sliders).


  • International specifications
  • Chemical composition
  • Mechanical characteristics
IT EU D GB USA
A�UNI7013/1 CC480K A�Cu Sn10 Pb A�CT1 A�C90500
Cu Sn Zn Pb Ni P Fe Si Mn Al
88A�90 9A�11 Max 0,5 Max 1,0 Max 2,0 Max 0,2 Max 0,2 Max 0,02 Max 0,1 Max 0,01
Tensile strenght Rm N/mm2 Min. Yeld stress 0,2% Rp 0,2 N/mmA? Min. Elongation A% Min. Hardness HB Min.
280 170 10 80

G-CuSn11Pb2

Suitable for bearings and sliders with 12000 N/cm2 peak load or overhead travelling cranesa�� wheels. Seawater resistant, good machinability.


  • International specifications
  • Chemical composition
  • Mechanical characteristics
IT EU D GB USA
CC495K A�Cu Sn12 Pb A�C92700
Cu Sn Zn Pb Ni P Fe Si Mn Al
83,5A�87 10,5A�12,5 Max 2,0 0,7A�2,5 Max 2,0 Max 0,4 Max 0,2 Max 0,01 Max 0,2 Max 0,01
Tensile strenght Rm N/mm2 Min. Yeld stress 0,2% Rp 0,2 N/mmA? Min. Elongation A% Min. Hardness HB Min.
280 150 5 90

G-CuSn12Ni2

This alloy is recommended for high fatigue applications, due to its good resistance. Ita��s suitable for worm wheels and gears, bearings for heavy loads and low speed.


  • International specifications
  • Chemical composition
  • Mechanical characteristics
IT EU D GB USA
CC484K A�Cu Sn12 Ni A�CT2 A�C91700
Cu Sn Zn Pb Ni P Fe Si Mn Al
84,5A�87,5 11A�13 Max 0,4 Max 0,3 1,5A�2,5 0,05A�0,40 Max 0,2 Max 0,01 Max 0,2 Max 0,01
Tensile strenght Rm N/mm2 Min. Yeld stress 0,2% Rp 0,2 N/mmA? Min. Elongation A% Min. Hardness HB Min.
300 180 10 95

SOCIETA’ RAFFINERIA METALLI

SO.RA.ME. srl

Via Molinassi di Ceranesi 1/A 16014 Ceranesi GENOVA
+ 39 010 710 674

+ 39 010 710 266

www.sorame.it

info@sorame.it

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ISO 9001:2008

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