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Products

Welding

Special Iron Electrodes

ARGENTA HR - 21

Outstanding Cobalt base electrode, great resistance to high temperature.

Filler metal chemical analysis %:
C	: 0,25 %	Mo	: 4,5 %
Cr	: 27,0 %	Co	: Balance
Ni	: 2,5 %

Mechanical Features

Hardness	: 32 Rc
Hardness after machineable hammering with grinder	: 38 Rc
Current type	: CC(+) CA(70 Min. Voltage

Recommended Amperages

Diameters	AMP
3,25mm.	100 - 140
4,0 mm.	140 - 180

Main Features

1) Cobalt base electrode of austenitic base with disperse carbides.
2) Soft deposits, 155% output.
3) Remarkable resistance to repetitive thermal cycles together with mechanical demands.
4) Great oxidizing resistance, keeping it even over 1.100º C.

Special features

Impact resistance: Excellent / Metal - metal wearing resistance : Good
High Tº resistance: Excellent / Impact resistance at high temperature : Excellent

Aplications

ARGENTA HR-21 has been formulated for the manufacturing and maintenance of all such tools under severe mechanical and thermal conditions when in service, for example: coating of guillotine blades for hard-cutting of metals or in hot over 1.100ºC, manufacturing and restoring of molding forging box, and any tool of hard hitting-cutting sides, for cutting, stuffing, or fold metals of varied thickness, in cool or hot.

Welding positions

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