bercoweld B12

Range of application

bercoweld B12

The copper-tin alloy of high tin percentage is suitable for all welding procedures. The welding material attains high hardness similar to cast bronzes, therefore to be used for specially wear-resistance surfacing, joining and repair welding of bronzes. Particularly suitable for oven soldering.

Standard designation and composition

ISO 24373CuSn12P Cu5410
Othersmax. 0,5

Physical standard data

Melting range°C825-990
Thermal conductivityW / m x K40-50
Coefficient of linear mean expansion10-6/K18,5
Electric conductivitym / Ω x mm²3-5
ResistivityΩ x mm² /m0,20-0,333

Mechanical properties of the weld joint, standard data

Heat treatment non treated
Tensile strengthN/mm²320
Brinell hardnessHB 2,5/62,5120
Notched bar impact testAv (J)8

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 B12

Data sheet for bercoweld B12.

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bercoweld catalogue

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

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