bercoweld® N30

bercoweld®  N30 is well suited for highly stressed, corrosion-resistant buildup welds on cast iron and on unalloyed and low-alloy steels, as well as seawater-resistant CuZn alloys. 
Well suited for welding on CuNi materials. Especially recommended in the area of plant construction.

Standardization and composition

ISO 24373 CuNi30Mn1FeTi Cu7158
Cu balance
Ni 30.70 - 31.30
Mn 0.60 - 1.00
Fe 0.40 - 0.70
Ti 0.30 - 0.50
Others max. 0.5

Physical properties

Density(kg/dm³) 8.9
Melting range (°C) 1180 - 1240
Thermal conductivity (W / m x K) 30
Coefficient of linear mean expansion (10-6/K) 17.3
Electric conductivity (m / Ω x mm²) 2.7 - 3.3
Resistivity (Ω x mm² /m) 0.333

Mechanical properties of the weld joint (standard data)

Heat treatment non treated
Tensile strength (MPa) 420
Elongation (%) 36
Brinell hardness (HB 2.5/62.5) 115
Notched bar impact test (Av (J)) 240

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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