AMPCO-TRODE® 40
AWS A5.6 – ECUMNNIAL
AWS A5.7 – ERCUMNNIAL
Description and Application
AMPCO-TRODE® 40 manganese-nickel-aluminum bronze is available in coated electrodes, bare filler metal rod and wire for welding cast ship propellers conforming to MIL-B-21230, Alloy 2 for high resistance to corrosion, erosion and cavitation.
AMPCO-TRODE® 40 also exhibits good ability to join dissimilar metals.
Price range: $155.00 through $525.00
Typical Applications
| Ship propellers | Marine components | Welding cast iron |
| Joining dissimilar metals |
AMPCO-TRODE® 40 Coated
| Limiting Chemical Composition | |
| % (deposited weld metal) | |
| Copper* | Balance |
| Aluminum | 7.0 – 8.50 |
| Iron | 2.0 – 4.0 |
| Nickel | 1.5 – 3.0 |
| Manganese | 11.0 – 14.0 |
| Silicon | 1.5 max. |
| Others | 0.50 max. |
| * including silver |
| Mechanical Properties | |
| (Nominal all-weld metal values) | |
| Tensile Strength ksi | 95 (655 MPa) |
| Yield Strength ksi | 56 (386 MPa) |
| Elongation % in 2″ (51mm) | 27 |
| Reduction of Area % | 38 |
| Hardness (HBW 10/3000) on 1/4″ (6.4mm) deposit | 185 |
Specifications
AWS A5.6 Class E CuMnNiAl
ASME SFA 5.6 Class E CuMnNiAl
ASME SFA 5.6 Class E CuMnNiAl
AMPCO-TRODE® 40 Bare
| Limiting Chemical Composition | |
| % (deposited weld metal) | |
| Copper* | Balance |
| Aluminum | 7.0 – 8.50 |
| Iron | 2.0 – 4.0 |
| Nickel | 1.5 – 3.0 |
| Manganese | 11.0 – 14.0 |
| Others | 0.50 max. |
| Mechanical Properties | |
| (Nominal all-weld metal values) | |
| Tensile Strength ksi | 110 (759 MPa) |
| Yield Strength ksi | 67 (462 MPa) |
| Elongation % in 2″ (51 mm) | 27 |
| Reduction of Area %. | 37 |
| Hardness (HBW 10/3000) on 1/4″ (6.4mm) deposit | 217 |
Specifications
AWS A5.7 Class ER CuMnNiAl
ASME SFA 5.7 Class ER CuMnNiAl
ASME SFA 5.7 Class ER CuMnNiAl
*Hardness will vary depending on quality of the weld and experience and knowhow of the welder.
Document Download
AMPCO-TRODE® 40 Technical Data Sheet
