WELDING WIRES FOR HARDFACING

Classifications

Werkstoff 1.3348
AISI M7

Process

GAS MIG TIG A.S.

Applications

For deposit welding of Mo-alloyed high-speed steel. Mainteinance and new manufacture of high-speed steel tools. Weld deposit without soft-annealing can only be processed by grinding. To be used for cutting tools, gouges, turning chisel, broaches, taps, twist drills, reamers, milling tools, cold extrusion dies.

Base materials to be welded

AISI M7 and similar

Dimensions

MIG (mm)

1,20 - 1,60

TIG (mm)

1,20 - 1,60 - 2,00 - 2,40 - 3,20

Welding process

Protection

MIG: M21 Mixture and similar / TIG: I1 (Argon)

Current and polarity

MIG: DC+ / TIG: DC-

Average Chemical analysis

Si%

Mn%

Cu%

Cr%

Mo%

1,00

0,40

0,30

< 0,025

< 0,50

3,80

8,60

1,90

1,80

The copper value include the surface coating

Typical mechanical properties of all-weld metal

Hardness

HRC

57 - 64

The mechanical properties are approximate and may range on the basis of the Heat, shielding gas, welding parameters and other factors

Approvals

Contact ITALFIL

Fields of application

Maintenance and repair