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DIN 8555: MSG 31-GF-200-C
EN 14700: T Cu1
• Special cored wire for GMAW
• The weld metal is a Cu – Mn –Ni - Al bronze
• Sound, pore free deposits on ferrous and non-ferrous base materials
Used for the building up of aluminium bronze, cladding components undergoing metal to metal wear under high pressure. Especially suited for marine environments. The addition of nickel improves corrosion resistance in heat and rough seawater. Excellent resistance to cavitation and stress corrosion cracking.
Examples
Heat exchanger elements for sea-water desalination equipment, bearings, valves, gears etc.
| 9.00 | 2.00 | 1.00 | 4.80 | Bal. |
Hardness – 3-layer deposit on mild steel: 210 HB
| DC(+) continuous or pulsed | 12 - 20 l/min. | 90 % |
| 1.2 | 150 - 320 | 22 - 25 | 27 - 31 | 10 - 20 | 15 |
| 1.6 | 200 - 350 | 22 - 25 | 27 - 31 | 10 - 20 | 15 |
Stringer or weaved beads.
Can be welded gun leading or gun trailing.
The use of pulsed current is recommended for improved wetting and bead appearance.
Higher currents and voltages can be used, but cause increased element burn-off (particularly Al) and dilution, leading to lower hardness levels.
EN ISO 6947 : PA, PB
ASME IX: 1G, 1F, 2F
