bercoweld A8

Range of application

bercoweld A8

CuAl alloys, for example Al-bronze with 7-9% Al, copper and copper alloys. As a first layer for weld surfacing on low and unalloyed steels as well cast iron, pulsed arc welding is recommended. It is very resistant to corrosion and wear. Preheating is recommended for large work pieces.

Standard designation and composition

ISO 24373CuAl7 Cu6100
Othersmax. 0,5

Physical standard data

Melting range°C1030-1040
Thermal conductivityW / m x K65
Coefficient of linear mean expansion10-6/K17
Electrical conductivitym / Ω x mm²7-9
ResistivityΩ x mm² /m0,11-0,143

Mechanical properties of the weld joint, standard data

Heat treatment non treated
Tensile strengthN/mm²430
Brinell hardnessHB 2,5/62,5100
Notched bar impact testAv (J)100

Delivery programme

Drum / bedrabox175 - 200 kg0,80 - 1,60 mm
SD300 / BS300 / K30012 - 15 kg0,80 - 2,40 mm
H500 / H560 / H760150 - 250 kg0,80 - 2,40 mm
Coils25 - 100 kg1,60 - 6,00 mm
Rods250 - 3000 mm1,60 - 6,00 mm

Recommended inert gas

Argon4.8/ 5.0/ 5.3/ 5.6/ 6.0

Further product information

bercoweld A8

Data sheet for bercoweld A8.

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bercoweld catalogue

In this brochure you will find all details about bercoweld brazing and welding wires.

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