bercoweld® A822

bercoweld®  A822 is used for join welding between steel and CuAl alloys. High wear and abrasion resistance. Very good corrosion resistance against seawater. High pressure resistance, especially with solenoid valves.

Standardization and composition

ISO 24373 CuAl8Ni2Fe2Mn2 Cu6327
Cu balance
AL 7.0 - 9.5
Ni 0.5 - 3.0
Mn 0.5 - 2.5
Fe 0.5 - 2.5
Others max. 0.4

Physical properties

Density (kg/dm³) 7.5
Melting range (°C) 1030 - 1050
Thermal conductivity (W / m x K) 50
Coefficient of linear mean expansion (10-6) 17
Electrical conductivity (m / Ω x mm²) 4.5 - 5.5
Resistivity (Ω x mm² /m) 0.20

Mechanical properties of the weld joint (standard data)

Heat treatment non treated
Tensile strength (MPa) 530
Elongation (%) 30
Brinell hardness (HB 2.5/62.5) 140
Notched bar impact test (Av (J)) 70

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

PDF Datasheet | EN PDF Datasheet | DE

Please contact me and my team

Ulrike Ogorzelski

Ulrike Ogorzelski

Sales Director Welding Europe
bedra Germany

bedraEDM
bedraWELDING
bedraELAS
Alloys from A to Z
bedra Vietnam

Berkenhoff GmbH (headquarters)

  • Kinzenbach plant
  • Berkenhoffstrasse 14
  • 35452 Heuchelheim
  • Germany

Berkenhoff GmbH

  • Merkenbach plant
  • Rehmühle 1
  • 35745 Herborn
  • Germany

bedra Vietnam Alloy Material Co., Ltd

  • Lot CN-06, Hoa Phu Industrial Park,
    Mai Dinh Commune,
    Hiep Hoa District, Bac Giang Province,
    Vietnam
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