SUPRATHERME-Ni; AWS: SFA 5.5 E7018-G; Electrodes for Low Temperature Service


Description

A low hydrogen, iron powder type electrode yielding a 0.5% Ni in the weld metal. Ideally suited for welding fine-grained steels, heavy sections, and restrained joints requiring good impact strength at sub-zero temperatures down to minus 50°C.                                                                                                                                          Typical applications include welding of C-Mn grain refined steels, heavy sections, and restrained joints requiring good impact strength at sub-zero temperatures o down to minus 50°C.

Approvals

CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
C Mn Si Ni S P
Percent
0.06 1.0 0.30 0.55 0.018 0.018


MECHANICAL PROPERTIES OF ALL WELD METAL


UTS YS Elongation
CVN Impact Strength (J)
(MPa)
(MPa)
(L= 4d)%
at Minus 50°C
525 446 28.0
45



CURRENT AND PACKING DATA: DC (+)


Size (mm)
6.3x450 5x450 4x450
3.15x450
2.5x350
Current Range (Amps)
270-350 200-280 160-190
110-135
80-100
Qty. (Pcs./Carton)
25 35 55
75 125

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