D&H 1227(NS) -ENiCrMo-7
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Electrodes for Nickel and it's Alloys

D&H 1227(NS)

AWS: SFA 5.11 ENiCrMo-7

A non-synthetic nickel base electrode, depositing weld metal of Ni-Cr-Mo-Co-Ti-W alloys. The weld deposit resists corrosion resistance at room temperature as well as resistance to oxidation and reducing atmospheres at elevated temperatures. Electrodes are used for welding Ni-Cr-Mo alloy, for the welding of the clad side of joints in steel clad with Ni-Cr-Mo alloy, and for joining Ni-Cr-Mo alloys to steel and to other nickel base alloys. Some of the materials, which are welded with these electrodes, are ASTM B 574, B 575, B 619, B 622 and B 626 having UNS number N 06985.

Precaution

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

2. Operate the electrodes wherever possible, weld in flat position only.

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

TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL


Element
CMnSiSPFeNiCrMoCoTiW
Percent
0.0120.900.120.0200.0242.564.315.015.01.500.200.40


TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL


UTSElongation
(MPa)
(L= 4d)%
72531.0


CURRENT AND PACKING DATA: AC / DC(+)


Size (mm)

Dia x Length

5x3504x350
3.15x350
2.5x350
Current Range (Amps)
150-180120-150
80-110
60-70
Weight / Carton (kgs)
2.52.5
2.5
2.5


Electrodes for Nickel and it's Alloys

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