capilla® 4778
Material number
~2.4778
Special electrode
not standardised
Applications / Features
Basic-coated high-performance electrode for hardfacing and joining welds on matching and similar heat-resistant materials with austenitic microstructure.
Scale-resistant up to 1250°C.
Applications
Suitable for base materials such as:
2.4778 (G CoCr 28),
2.4779 (G CoCr 28Nb).
Indicative analysis [%]
C
Si
Mn
Cr
Co
Fe
0,12
1,00
1,20
33,00
50,00
balance
Recovery
150%
Redrying
320°C / 2h
Current type
=(+) / ~
Positions
pa
pb
pc
pf
Properties: (without heat treatment; indicative values at room temperature)
Tensile strength Rm
490 [MPa]
Yield strength Rp1.0/1000
25 [MPa] (900°C)
Yield strength ReH/Rp0,2
390 [MPa]
Elongation (L=5d)
6 [%]
Dimensions
Ø [mm]
Length [mm]
Welding current [A]
2,5
350
60-90
3,2
350
80-110
4,0
450
100-150
Request product documents
Pascal Schünemeier
Sales Management
Do you have questions about our welding consumables or need advice on selecting the right product?