Arcaloy MC409Nb
Arcaloy MC409Nb is a 12% Cr alloy metal cored electrode stabilized with Niobium (Nb) to improve corrosion resistance, increase strength at high temperatures and promote a ferritic microstructure.
Welding Process
- MCAW - Metal Core Arc Welding
Deposition Data
| Current | Diameter | Voltage | Wire Feed Speed |
| 200 A | 1.2 mm (.045 in.) | 20 V | 533 cm/min (210 in./min) |
| 215 A | 1.2 mm (.045 in.) | 21 V | 584 cm/min (230 in./min) |
| 234 A | 1.2 mm (.045 in.) | 22 V | 635 cm/min (250 in./min) |
| 290 A | 1.2 mm (.045 in.) | 24 V | 762 cm/min (300 in./min) |
| 323 A | 1.2 mm (.045 in.) | 24 V | 889 cm/min (350 in./min) |
Classifications
| Grade | EC409Cb |
| Name | AWS A5.22 |
Typical Weld Metal Analysis %
| Typical Weld Metal Analysis % | ||||||||||||||
| C | Cr | Mn | Nb | Si | ||||||||||
| 0.02 % | 11.7 % | 0.5 % | 0.6 % | 0.6 % | ||||||||||