AWS A5.1 / ASME SFA5.1 E7018-1
JIS Z3211 E4918
EN ISO 2560-A - E42 4 B 3 2
Applications
GSE.7018-1 can be used for welding of high tensile steel, such as bridges, rolling stock and low temperature used for steel structures.
Characteristics on Usage
GSE.7018-1 is an iron powder low hydrogen type electrode of high efficiency used for welding of high tensile steel. Its usability is good with direct current applications as well as alternation current applications and easy to weld in all position.
Notes on Usage
① Dry the electrodes at 350~400℃(622~752℉) for 60 minutes before use.
② Keep the arc as short as possible, and avoid large width of weaving.
③ Adopt back step method or strike the arc on a small steel plate prepared for this particular purpose to prevent blow hole at the arc starting.
Welding Position
Current
AC or DC+
Typical Chemical Composition of All-Weld Metal (%)
|
C |
Si |
Mn |
P |
S |
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|
0.06 |
0.25 |
1.25 |
0.017 |
0.012 |
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Typical Mechanical Properties of All-Weld Metal
|
YS |
TS |
EL |
Temp |
CVN-Impact Value |
|
MPa(lbs/in2) |
MPa(lbs/in2) |
(%) |
℃(℉) |
J(ft.Ibs) |
|
480 (69,700) |
550 (79,800) |
30.2 |
-45 (-49) |
94 (70) |
Size Available and Recommended Currents(Amp.)
|
Size mm (in) |
2.6 (3/32) |
3.2 (1/8) |
4.0 (5/32) |
5.0 (3/16) |
6.0 (15/64) |
|
Length mm(in) |
350 (14) |
400 (16) |
450 (18) |
450 (18) |
450 (18) |
|
F |
60~90 |
90~140 |
130~190 |
180~240 |
250~300 |
|
V-up, OH |
50~80 |
80~120 |
120~170 |
150~200 |
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Packing
Packet 5 Kg (11 Ibs)
Carton 5 Kg (11 Ibs) X 4 : 20 Kg(44 Ibs)
Approval
ABS, BV, LR, DNV, GL, RINA
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