10. CuSn10Zn2-C / CuSn10Zn2-B

CuSn10Zn2-C / CuSn10Zn2-B

Common name Material description
World specifications
EuropeanBritishAmerican
Tin bronzeCuSn10Zn2-C / CuSn10Zn2-B-G1
(BS 1400)
C90500
(ASTM B 505)

Other name: Rodgods 5456, Tinbronze, CAS403, BrO10Z2, C92610A, BC 3, SAE J462, AMS 4845, JIS H5111.
The equivalence between the standards is not absolute and some variations in composition can exist.

Chemical Composition in %, (BS 1400:1985, Castings)

 CuSnPbZnNiAlFeMnPSSiSbAsCrBiCdSe
MinRem.9.5-1.75-------------
MaxRem.10.51.52.751.00.010.15--0.10.02---0.03--

Fe+Sb+As=0.20% max
Total of impurities 0.50%

Chemical Composition in %, (BS 1400:1985, Ingots)

 CuSnPbZnNiAlFeMnPSSiSbAsCrBiCdSe
MinRem.9.7-1.75-------------
MaxRem.10.51.52.751.00.010.15-0.020.10.02---0.03--

Fe+Sb+As=0.20% max
Total of impurities 0.50%

Mechanical Properties (EN 1982:2017, Continuous castings)

RmTensile strength min.300 N/mm2
Rp0.2Proof Strength min.140 N/mm2
AElongation min.9 %
HBBrinell hardness min.90 HBW

Properties:

  • hard, strong, tough, resistant to wear;
  • good machinability and corrosion resistant to sea water.

Application:

  • worm wheels;
  • gears;
  • bushings for heavy loads and low speeds;
  • good resistance to pounding.
  • suitable for marine pumps and valves.
  • plain bearing shells, moderately stressed slide and coupling components.