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NIDURIT 65
AWS Specification: NONE
JIS Specification:

NONE

Other Specification:

E10-UM-65-GRZ

 

I. APPLICATIONS:

 

NIDURIT 65 is suited for highly abrasion resistant claddings on parts subject to extreme sliding mineral abrasion, also at elevated temperatures up to 500ºC. The extremely high abrasion resistance is reached by the very high content of special carbides (Mo, V, W, Nb). Main application fields are surfacing on earth moving equipment, working parts in the cement and brick industry as well as in steel mills for radial breakers and revolving-bar screens of sintering plants.

II. DESCRIPTION:

NIDURIT 65 has an even droplet transfer in the spray arc. The smooth welding bead is without slag covering. In general there is no need for any finishing by grinding.

Approx. Recovery:  265%

III. NOTES ON USAGE:

Hold electrode as vertically as possible, keep a short arc. Reduce dilution with the base metal by weaving. For multipass applications a cushion layer with NSS-307 is recommended. Re-dry electrodes that have got damp to 2h/200ºC.

IV. TYPICAL CHEMICAL COMPOSITION OF WELD METAL (%):

 

C

Si

Mn

Cr

Mo

Nb

W

V

4.50

1.00

0.21

23.50

6.50

5.50

2.20

1.50

V. HARDNESS OF WELD METAL: 64 – 67 HRC (800 – 900 Hv)

VI. WELDING POSITIONS: FLAT, OVERHEAD, HORIZONTAL

VII. SIZES AVAILABLE AND RECOMMENDED CURRENTS (AC or DC + ):

 

Diameter (mm)

length (mm)

3.2

4.0

5.0

350

450

450

Current Ampere

110 - 150

140 – 200

190 - 250