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

George Kelley

George Kelley

Sales Manager Welding & ELAS North America
bedra USA

Crystal Wen

Crystal Wen

Sales Manager Welding Asia
bedra China

Berkenhoff GmbH (headquarters)

  • Kinzenbach plant
  • Berkenhoffstrasse 14
  • 35452 Heuchelheim
  • Germany

Berkenhoff GmbH

  • Merkenbach plant
  • Rehmühle 1
  • 35745 Herborn
  • Germany

Follow us

Close

Products