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Electrodes for Low Temperature Service

NITHERME- 2.5

AWS: SFA 5.5 E8016-C1

A low hydrogen DC(+) electrode yielding 2.5% Ni in the weld deposit, ideally suited for welding fine-grained steels and Ni steels especially for service temperatures down to minus 60 C. The weld metal possesses strength combined with excellent sub-zero temperature notch toughness. Typical applications include storage tanks, pressure vessels, containers and piping for liquefied gases like propane and butane.

Precaution

1. Ensure the electrodes are dry. Re-dry the electrodes at 250-300 C for one hour.

2. Restrict the heat input to a minimum during welding to achieve better properties.

CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSiNiSP
Percent
0.060.800.302.400.0180.018


MECHANICAL PROPERTIES OF ALL WELD METAL

(PWHT 605 C FOR 1 HR)

UTSYSElongation
CVN Impact Strength (J)
(MPa)
(MPa)
(L= 4d)%
at Minus 60°C
56949524.0
50


CURRENT AND PACKING DATA: DC (+)


Size (mm)
5x3504x350
3.15x350
2.5x350
Current Range (Amps)
200-270150-190
100-135
80-100
Qty. (Pcs./Carton)
3555
75125