bercoweld A9 (AlBz9Fe)

Range of application

Standard CuAl alloys according to AWS specification, particularly suitable for CuAl materials. High
resistance to wear and abrasion. Suitable for weld surfacing on ferritic-pearlitic steels and cast iron. Corrision resistance against seawater.

Easy and smooth flowing weld pool.

Standard designation

ISO 24373	CuAl10 Cu6180
DIN 1733 Mat. no. 2.0937	SG-CuAl10Fe
BS 2901P.3	C13
AWS A5.7-84	ERCuAl-A2

Composition (weight %)

Cu	balance
Al	9,00-9,50
Fe	1,00-1,30
Others	max. 0,5

Physical standard data

Density	kg/dm3	7,6
Melting range	°C	1030-1040
Thermal conductivity	W / m x K	55
Coefficient of linear mean expansion	1/K	16,5 x 10-6
Electrical conductivity	m / Ω x mm2	6,5-7,5
Resistivity	Ω x mm2 /m	0,143

Mechanical properties of the weld joint, standard data

Heat treatment		non treated
Tensile strength	N/mm2	500
Elongation	%	35
Brinell hardness	HB 2,5/62,5	140

Delivery programme

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

Further make ups on request.

Recommended inert gas

Argon	4.8/ 5.0/ 5.3/ 5.6/ 6.0