CuSn4 standards :
- France (AFNOR): CuSn4
- Germany (DIN): CuSn4
- Europe (EN): CW450K
- ASTM : C51100
CuSn4 and its properties :
It has very good properties that make it resistant to industrial atmosphere. It has good electrical conductivity, excellent formability, very good corrosion and abrasion resistance. It can be easily welded and brazed.
|Cold reduction before annealing||80% max|
Machinability (Basic reference: brass from
bar turning CuZn39Pb2 =100)
|Arc welding in a gaseous atmosphere||Good|
|Arc welding with coated wire electrode||Medium|
|Electric resistance welding :|
|Placed end to end||Excellent|
|Corrosion resistance :|
CuSn4 bronze is used in various fields. Its main use is for the production of electrical connectors, but it is also used for the production of components in electrical engineering, relays and conductive springs, retaining clips, metal pipes, bushings and in mechanical engineering.
|Chemical composition in %||Physical characteristics (at 20°C)|
|Sn||3.0 - 5.0||Density (kg/dm3)||8.85|
|P||0.01 - 0.40||Electrical conductivity (%IACS)||20.5|
|Zn||0.2 max||Electrical resistivity (MS/m)||12|
|Ni||0.2 max||Thermal conductivity (W/m.K)||84|
|Fe||0.1 max||Modulus of elasticity (Kn/mm²)||118|
|Total other impurities||0.2 max||Coef. of thermal expansion (10-6/K)||18.2|
|Cu||Remains||Melting temperature (°C)||960 - 1070|
|Shear modulus (kN/mm²)||45|
Supplier of bronze CuSn4
Supplier of ferrous and non-ferrous metals, Metal Rolling offers you to order the bronze CuSn4 in the desired quantity according to our stocks.
- In strips, strips, coils with sheared, deburred, round or softened edge finishes.
- In sheets 1000 x 2000 mm or other formats on request.
Contact us for a tailor-made quote or to order your product.
Other bronze alloys available
We offer you other bronze alloys to order according to your needs: