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
Price range: $191.50 through $192.00
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
