MECHANICAL BRONZE

Name  G Cu Sn3 Zn10 Pb7   corresponding alloys in foreign standardisation
Mark G Cu Sn3 Zn10 Pb7 ASTM
B 505		 -
Table UNI 7013-9°
Cu REST BS
1400		 LG 1
Sn 3-5
Pb 5-7.5 DIN
1705		 -
Zn 9-11
Ni 2 ISO
1338		 -
Fe 0.4
Sb 0.4     
S 0.2     
P 0.05     
Mn 0.2     
Notes  Totals impurities excluded Ni e P<=1.20     
mechanical features
volumetric mass Kg/dm3 traction breakage load R N/mm2 permanent deformation limit load Rn(0.2)N/mm2 lengthening
A
%		 Brinell hardness
HB
8.7 200-250 100-120 12-15 55-65

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