D&H1212 (NS) ENiCrFe-3
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Electrodes for Nickel and it's Alloys

D&H1212 (NS)

AWS: SFA 5.11 ENiCrFe-3 EN ISO CODE: 14172 E Ni 6182

A non-synthetic electrode depositing homogeneous Ni-Cr-Fe alloy composition. It is suitable for welding alloys of similar compositions to themselves, for surfacing steel with Ni-Cr-Fe alloy when high Manganese contents are not detrimental, for welding clad side of Ni-Cr-Fe clad steel and dissimilar metal combinations. Specially recommended for welding 9% Ni Steels for cryogenic service. It is ideally suitable for welding Ni alloy UNS N06600. Also used for welding of Nickel-Chromium alloys used for high temperature applications like furnace heating elements and reformer tubes.

Precaution

1. Ensure the electrodes are dry. Re-dry the electrodes at 300-325°C for one hour.

2. Maintain a short arc, stringer bead and minimize the heat input.

3. Allow the weld to cool down to below 50°C before depositing, the next layer.

4. For dissimilar metal welding, control the dilution by:

a. Operating at lower currents

b. Using stringer beads and faster welding speeds.

Approvals
    CE
    CIB-MP
    NPCL
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL


Element
CMnSiPSCrNiFeNb
Percent
0.036.00.250.010
0.009
15.0Bal.6.02.2


TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL


UTSElongation
CVN Impact Strength
Lateral expansion
(MPa)
(L= 5d)%
at minus 196°C (J)
at minus 196°C (mm)
5904085
0.85


CURRENT AND PACKING DATA: DC(+)


Size (mm) Dia x Length
5x3504x350
3.15x350
2.5x350
Current Range (Amps)
150-18090-130
70-90
60-70
Weight / Carton (kgs)
2.52.5
2.5
2.5



Electrodes for Nickel and it's Alloys

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