coated electrode, size: 4,0 mm Ø, 350 mm long, 130 - 160 A, content = 57 pcs / 5,0 kg, DIN 1736: EL NiCr 20 Mo 9 Nb; material number: 2.4621; AWS/ASME SFA-5.14: E NiCrMo - 3.
Fig. may deviate
Description
Rutile-based electrode for welding of nickel alloys, cold-tough nickel steels and various types of joints. Weld metal of nickel-chromium-molybdenum alloy for operating temperatures up to +1000°C. Cold-tough up to -196°C.
Most important applications
Nickel-chromium-molybdenum alloys, e.g. NiCr 22 Mo 9 Nb (2.4856), NiCr 22 Mo 6 Cu (2.4618), NiCr 22 Mo 7 Gu (2.4619) and their joints with unalloyed, low-alloyed and high-alloyed steel/cast steel. Claddings. cold-tough Nlckel steels, e.g. X 8 Ni 9 (1.5662); black/white compounds for operating temperatures above +30O°C
Directional analysis of the pure weld metal in %
Ni
C
Cr
Fe
Mn
Mo
(Nb+Ta)
S
Si
Base
0,06
22
6,0
1,6
9
3,3
0,01
0,5
Special notes
Cleanliness of the workpiece in the weld area is a prerequisite for a crack-free joint. Bottom seam protection is recommended for thin sheets and root welds. Smooth seams and above all good slag removal due to slightly oscillating electrode guidance.
Re-drying
Generally not necessary. However, the coating can withstand re-drying up to +250°C.
