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CHE555GX (Cellulose Electrode for High Press Pipeline)

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CHE555GX 

Cellulose Electrode for High Press Pipeline

CHE555GX is a high tensile strength cellulose type electrode. Very good performance can be obtained by all position welding, overhead and vertical down welding. Especially suitable for fabricating huge diameter high press pipelines fabricated by X70 or X80 grade steels. Backing weld, filling welding and lap welding could be operated and forming on double sides by one sides welding. Keeping the electrode in dry condition. The electrodes do not be redried before welding. Small current is recommended in welding and swaying broad less than 2.5 times of diameter of the electrode.

Chemical Composition of Deposited Metal(%)

 
C
Mn
Si
S
P
Mo
V
Cr
Ni
Standard
≤0.20
≤1.20
≤0.60
≤0.015
≤0.020
≥0.20
≤0.10
≤0.30
≤1.00
Typical
0.082
0.64
0.24
0.005
0.010
0.326
0.010
0.031
0.507

Mechanical Properties of Deposited Metal

 

Yield Point

бs(MPa)

Tensile Strength

бb(MPa)

Elongation

δ5(%)

Impact Value(J)
-30℃
Standard
≥440
≥540
≥17
≥27
Typical
475
580
25
70

Sizes, Pieces & Recommended Current (DC)

Size(mm)
2.5×300
3.2×350
4.0×350
5.0×350
Pieces(5kg)
≈355
≈192
≈123
≈78
Current(A)
F,H
60-90
70-110
110-150
150-200
OH,VD
50-80
60-100
100-140
140-180


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Next: CHE425G (Cellulose Electrode For Vertical-down Welding Mild Steel)

     
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