D&H 1229(NS) - ENiCrFe-9
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Electrodes for Nickel and it's Alloys

D&H 1229(NS)

AWS: SFA 5.11 ENiCrFe-9

D&H 1229 (NS) is a non-synthetic nickel base electrode, depositing 70Ni - 14Cr - 9Fe - 4Mo - 1.5(Cb+Ta) weld metal. It gives soft and smooth arc, which is easy to strike and re-strike. The weld metal is of radiographic quality and displays a good o combination of strength and impact strength even at minus 196 C. Electrodes of sizes up to 3.15mm dia metal can be used for welding in all positions. It is recommended to use other sizes in horizontal and flat positions for achieving better results. Ideal for welding 9% Nickel steel and other similar alloys as well as the clad side of joints in steel clad with a Ni-Cr-Mo alloy and for welding Ni-Cr-Mo alloys to steel and to other nickel base alloys.

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
CMnSiPSNiMoCrWFeNb+Ta
Percent
0.091.50.500.0180.01468.04.014.01.09.01.5


MECHANICAL PROPERTIES OF ALL WELD METAL


UTSElongation
(MPa)
(L= 4d)%
69027.0


CURRENT AND PACKING DATA: DC (+)


Size (mm)
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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