AMPCO-TRODE® 46
AWS A5.6 – ECUNIAL
AWS A5.7 – ERCUNIAL
Description and Application
AMPCO-TRODE® 46 nickel-aluminum bronze spooled wire, bare rod and coated electrodes were developed for the welding of the cast and wrought nickel-aluminum bronze.
AMPCO-TRODE® 46 is also recommended for weld repairing NiBral boat propellers.
Typical Applications
| Ship fittings | Propeller gear housings | Power plant valves |
| Marine propulsion systems | Intake screens | Ship propellers |
| Welding AMPCO® 45 | Piping systems | Welding AMPCO® 483 |
| Oil recovery pumps |
AMPCO-TRODE® 46 Coated
| Limiting Chemical Composition | |
| % (deposited weld metal) | |
| Copper* | Balance |
| Aluminum | 8.50 – 9.50 |
| Iron | 3.0 – 6.0 |
| Nickel | 4.0 – 6.0 |
| Manganese | 0.50 – 3.50 |
| Silicon | 1.5 max. |
| Others | 0.50 max. |
| * including silver |
| Mechanical Properties | |
| (Nominal all-weld metal values) | |
| Tensile Strength ksi | 99 (683 MPa) |
| Yield Strength ksi | 58 (400 MPa) |
| Elongation % in 2″ (51mm) | 25 |
| Reduction of Area % | 22 |
| Hardness (HBW 10/3000) on 1/4″ (6.4mm) deposit | 187 |
Specifications
AWS A5.6 Class E CuNiAl
ASME SFA 5.6 Class E CuNiAl
ASME SFA 5.6 Class E CuNiAl
AMPCO-TRODE® 46 Bare
| Limiting Chemical Composition | |
| % (filler metal) | |
| Copper* | Balance |
| Aluminum | 8.50 – 9.50 |
| Iron | 3.0 – 5.0 |
| Nickel | 4.0 – 5.50 |
| Manganese | 0.60 – 3.50 |
| Silicon | 0.1 max. |
| Others | 0.50 max. |
| Mechanical Properties | |
| (Nominal all-weld metal values) | |
| Tensile Strength ksi | 104 (718 MPa) |
| Yield Strength ksi | 59 (407 MPa) |
| Elongation % in 2″ (51mm) | 23 |
| Reduction of Area % | 22 |
| Hardness (HBW 10/3000) on 1/4″ (6.4mm) deposit | 196 |
*Hardness will vary depending on quality of the weld and experience and knowhow of the welder.
