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AMPCO-TRODE® 522

AWS A5.7 – ERCUNI-10 (90/10)

Base materials

Particularly suitable for highly stressed corrosion resistant weld surfacing on cast iron and on unalloyed and low-alloyed steel, seawater resistant CuZn alloys. Appropriate to joining/surfacing on Cu-Ni material. Especially recommended for plant engineering.

Shielding gas

Argon, Helium or Argon/Helium-mixtures

$191.50$192.00



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Typical Applications

Tube sheets Pickling hooks Impellers valve seats
Chemical plants Pulp mills

AMPCO-TRODE® 522

Typical composition in %
Ni 9.0 – 11.0
Fe 0.5 – 2.0
C < 0.03
Mn 0.5 – 1.5
Si < 0.2
Ti 0.2 – 0.5
Al < 0.03
S < 0.02
P < 0.007
Pb < 0.02
Others total < 0.4
Physical properties (Approx. values)
Electrical conductivity [S*m/mm²] 5
Therm. conductivity [W/m K] 45
Density [kg/dm³] 8.9
Melting temperature [° C] 1.150
Tensile strength Rm [MPa] 350
Elongation A5 (Lo=5d0) [%] 40
Modulus of elasticity [MPa] 126.000

Specifications

AWS A5.7 Class ER CuAl-A1 ASME SFA 5.7 Class ER CuAl-A1
*Hardness will vary depending on quality of the weld and experience and knowhow of the welder.

Document Download

AMPCO-TRODE® 522 Technical Data Sheet