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DIN 8555: MSG31-GF-300-C
EN 14700: T Cu1
• Copper-aluminium hardfacing alloy with additions of Fe, Ni and Mn to improve the mechanical properties.
• Good resistance to abrasion and corrosion.
• Temperature resistance up to 300°C.
Used for pistons for injection of aluminium under pressure, valve seats, and cylinders for paper-making machinery. Suited to surfacing of iron and copper-base materials.
| 12.00 | 3.50 | 0.50 | 0.40 | Base |
Hardness 3 layers as welded: 320 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. Use of preheat and working temperatures up to 300°C will help forestall cracking.
EN ISO 6947 : PA, PB
ASME IX: 1G, 1F, 2F
| Spool type | EN ISO 544: BS300 | EN ISO 544: BS300 | EN ISO 544: B450 |
| Weight | 15 kg | 15 kg | 25 kg |
