bercoweld® B8

bercoweld^® B8 is used for build-up and join welding on CuSn alloys, CuSnZnPb cast alloys and cast iron. Preferred for oven soldering, good deoxidizing effect. Higher hardness values for coatings.

ISO 24373	CuSn8P Cu5210
Cu	balance
Sn	7.60 - 8.00
P	0.05 - 0.10
Others	max. 0.5

ISO 24373

CuSn8P Cu5210

balance

7.60 - 8.00

0.05 - 0.10

Others

max. 0.5

Physical properties

Density (kg/dm³)	8.8
Melting range (°C)	875 - 1025
Thermal conductivity (W / m x K)	67
Coefficient of linear mean expansion (10-6/K)	18.5
Electric conductivity (m / Ω x mm²)	6 - 8
Resistivity (Ω x mm² /m)	0.125 - 0.167

Heat treatment	non treated
Tensile strength (MPa)	260
Elongation (%)	20
Brinell hardness (HB 2.5/62.5)	80
Notched bar impact test (Av (J))	32

Heat treatment

non treated

Tensile strength (MPa)

260

Elongation (%)

Brinell hardness (HB 2.5/62.5)

Notched bar impact test (Av (J))

Delivery options

Make-up	Weight/Length	Dimension
Drum / bedrabox	175 - 200 kg	0.80 - 1.60 mm
SD300 / BS300 / K300	12 - 15 kg	0.80 - 2.40 mm
H500 / H560 / H760	150 - 250 kg	0.80 - 2.40 mm
Coils	25 - 100 kg	1.60 - 6.00 mm
Rods	250 - 3000 mm	1.60 - 6.00 mm