bercoweld® M122

bercoweld® M122 is a special welding wire for solenoid valves. High pressure resistance and high wear resistance. For steels of all types.

Standardization and composition

ISO 24373 CuZ (CuMn12Ni2)
Cu balance
Ni 2.00 - 2.50
Mn 12.00 - 13.00
Others max. 0.5

Physical properties

Density (kg/dm³) 8.4
Melting range (°C) 950 - 970
Thermal conductivity (W / m x K) 22
Coefficient of linear mean expansion (10-6/K) 18.3
Electric conductivity (m / Ω x mm²) 2.2 - 2.4
Resistivity (Ω x mm² /m) 0.42 - 0.45

Mechanical properties of the weld joint (standard data)

Heat treatment non treated
Tensile strength (MPa) 400
Elongation (%) 40
Brinell hardness (HB 2.5/62.5) 100
Notched bar impact test (Av (J)) 100

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

Further product information

Please contact me and my team

Ulrike Ogorzelski

Ulrike Ogorzelski

Sales Director Welding Europe
bedra Germany

Tim Joseph

Tim Joseph

Sales Director Welding North America
bedra USA

Gini Xia

Gini Xia

Sales Director Assistant Welding Asia
bedra China

Berkenhoff GmbH (headquarters)

  • Kinzenbach plant
  • Berkenhoffstrasse 14
  • 35452 Heuchelheim
  • Germany

Berkenhoff GmbH

  • Merkenbach plant
  • Rehmühle 1
  • 35745 Herborn
  • Germany

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