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.

CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSiSPFeNiCrMoCoTiW
Percent
0.0120.900.120.0200.0242.564.315.015.01.500.200.40


MECHANICAL PROPERTIES OF ALL WELD METAL


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


CURRENT AND PACKING DATA: AC / DC(+)


Size (mm)
5x3504x350
3.15x350
2.5x350
Current Range (Amps)
150-180120-140
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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