Cu-Ni Filler Metal
MONEL Filler Metal 67 is used for oxyacetylene, gas-tungsten-arc, gas-metal-arc, and submerged-arc welding of MONEL alloy 450 (70/30 Copper Nickel) and other coppernickel alloys. It is used for surfacing of steel if a barrier layer of Nickel Filler Metal 61 is first applied. If applied by the submerged-arc process, MONEL Filler Metal 60 can be used for the barrier layer. Submerged-arc welding with MONEL Filler Metal 67 is done with INCOFLUX 8 Submerged Arc Flux.
The copper-nickel weld metal has excellent resistance to corrosion in sea water, and is widely used for marine and desalination applications.
Dissimilar-welding applications for MONEL Filler Metal 67 are joints between MONEL alloys or Nickel 200 and copper-nickel alloys.
Specifications
AWS A5.7 ERCuNi (UNS C71581)
ASME II, Part C, SFA-5.7, ERCuNi (UNS C71581)
ASME IX, F-No.34
*BS 2901 (C18)
*DIN 1733 SG-CuNi30Fe (2.0837)
*(EN) ISO SCu 7158 (CuNi30)
*Supply to these specifications available upon request.
For manufacture to ASME III (NCA3800, NB2400), MIL, and other specifications please refer your inquiry to the Technical Department prior to order placement.
Approvals
VdTUV 4528.00; 4529.00
Other approvals may be applicable. Please confirm details of current scope of approvals with the Technical Department prior to order placement.
| Limiting Chemical Composition | |||
|---|---|---|---|
| Ni+Co: | 29.0-32.0 | Si: | 0.25 max. |
| C: | 0.04 max. | Ti: | 0.20-0.50 |
| Mn: | 1.0 max. | P: | 0.02 max. |
| Fe: | 0.40-0.75 | Pb: | 0.02 max. |
| S: | 0.01 max. | Others: | 0.50 max. |
| Cu: | Remainder | ||
| Minimum Mechanical Properties | |
|---|---|
| Tensile Strength, psi | 50,000 |
| MPa | 345 |
| Elongation, (4d) % | 30 |
| Available Product Forms | ||||||||
|---|---|---|---|---|---|---|---|---|
| mm | 0.8 | 0.9 | 1.0 | 1.14 | 1.2 | 1.6 | 2.4 | 3.2 |
| in | 0.030 | 0.035 | 0.040 | 0.045 | 0.047 | 0.062 | 0.093 | 0.125 |
