FCW 625

Special flux cored nickel base wire for gas shielded arc welding

Description & applications

· Special flux cored nickel base wire for gas shielded arc welding

· Latest generation basic slag quality guarantees optimum metallurgical quality and attractive welder appeal

· Meets the NiCrMo-3 requirements

· Together with enhanced productivity, FCW 625 offers many other advantages compared to solid wires : improved weldability, almost no spatter, better arc stability, enhanced wetting properties, better bead aspect and shape, and use of classical M21 gas mixtures


FCW 625 is suitable for welding and cladding nickel-based alloys such as alloy 625 or similar materials. It is also used for dissimilar welding of nickel based alloys to each other, to alloyed steels or to stainless steels and for joining 6% molybdenum super austenitic steels or 9 % nickel steel.


AWS A 5.11 EN ISO Werkstoff Nr.
ENiCrMo-3* ENi6625* 2.4621 *There is no EN ISO classification system available for nickel-base flux-cored wires. The deposit meets the composition requirements and mechanical properties of the corresponding nickel-base SMAW electrodes.

Typical weld metal composition (%)

C Mn Si Cr Mo Nb Fe Ni
0.02 0.4 0.3 21.0 9.0 3.4 0.4 Rest

All weld metal mechanical properties

Rm (MPa) Rp0.2 (MPa) A5 (%) KCV
780 500 40 -196°C: 70 J

Shielding gas

Argon + 5-25% CO2 (M21)

Operating conditions

Diameter [mm] Current type Intensity [A] Voltage [V] Stick-out [mm] Gas flow
1.2 DC (+) 130-250 24-32 12-25 10 - 20 l/min
1.6 DC (+) 150-300 34-32 12-25 10 - 20 l/min

Welding positions

EN ISO 6947: PA, PB

ASME IX: 1G, 1F, 2F

Packings & Diameters

Diameters [mm] 1.2 - 1.6
Packing(s) Spool BS300
Weight [Kg] 15
Description -
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