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| Low Alloy High Tensile Tips Electrodes |
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GELALLOY 80 |
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Coding : AWS A/SFA 5.5 E 11018-M |
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Characteristics : |
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GELALLOY 80 is a hydrogen control low alloy, high tensile steel electrode suitable for welding fully killed fine grained steel. The electrode works in all positions give were little spatter with an easily removable slag leaving a bead of nice appearance. |
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| Weld Metal % (Typical) |
| C |
Mn |
Si |
Cr |
Ni |
Mo |
| 0.07 |
1.50 |
0.35 |
0.30 |
1.75 |
0.40 |
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| Mechanical Properties (Typical) |
| UTS (N/mm2) |
YS (N/mm2) |
EL (L=5d) |
Reduction in Area% |
CVN Impact
at -51˚C |
| 790 |
720 |
22% |
45 |
40 J |
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| Sizes (mm) |
Current Range Amps |
Wt. 1000pcs/Kg. (Approx.) |
Wt. per Carton |
Pieces
Per Carton |
Wt. per Case Kg. (Approx) |
| 5.00 x 450 |
180 - 250 |
164 |
3.5 |
320 |
28 |
| 4.00 x 450 |
140 - 180 |
67 |
3.5 |
480 |
28 |
| 3.15 x 450 |
90 - 140
AC/DC (+) |
49 |
3.5 |
720 |
28 |
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Characteristics : |
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A medium–heavy–coated, hydrogen controlled, iron powder type electrode giving 1.2 Cr/0.5 Mo steel deposit. The electrode gives quiet arc, negligible spatter and easily detachable slag. Welds are radiographically sound and can be used in all positions. Creep and heat resistance up to 550˚C
Dry the electrode at 300˚C/1hr for best results. |
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Application : |
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For welding 1 Cr/0.5 Mo and similar creep – resistant steels represented by ASTM A 182–F2, F11, F12, A387-2, 11, 12; A213-T2, T11, T12; A335-P2, P11, P12 and German Steels 13 Cr Mo 44, 15 Cr Mo 5, etc, used in boilers, power plants, oil-refineries and chemical plants. |
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| Welding Currents : (Amp.) |
| 6.3mm |
5mm |
4mm |
3.15mm |
2.5mm |
| 260-320 |
190-230 |
140-180 |
100-130 |
60-85 |
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| Weld Metal Chemistry (%) |
| C |
Mn |
Si |
Cr |
Mo |
S |
P |
| 0.05-0.09 |
0.50-0.90 |
0.25-0.60 |
1.00-1.50 |
0.40-0.65 |
0.03 max. |
0.03 max. |
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| All – weld Mechanical Properties |
| UTS (N/mm2) |
YS (N/mm2) |
Elng. % (L=4xd) |
CVN Impact values
Temp˚C 27±2 |
| 560-680 |
470-600 |
22-28 |
50-100 |
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| Recommended Heat Treatment |
Preheat |
150˚ |
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Interpass temp. |
150˚-250˚ C (depending on plate thickness) |
| High temperature Properties |
Postheat treatment |
0.2% Yield strength in N/mm2 |
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½ hr/920˚C
1 hr / 750˚C |
| 200˚C |
300˚C |
400˚C |
500˚C |
| 310 |
280 |
250 |
220 |
| 450 |
410 |
390 |
340 |
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| Dimension & Weight Specifications of Electrode |
| Dia, mm |
Length, mm |
Wt per 100 pcs, kg. |
Pcs per carton |
Pcs per box |
| 6.3 |
450 |
158 |
30 |
120 |
| 5 |
450 |
99 |
50 |
200 |
| 4 |
450 |
63 |
70 |
280 |
| 3.15 |
450 |
42 |
105 |
420 |
| 2.5 |
350 |
20 |
145 |
580 |
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GEL - 9018G |
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Coding : AWS A/SFA 5.5 E 9018 G |
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Characteristics : |
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A medium–heavy coated, hydrogen–controlled iron power type, all-position electrode for welding of medium-high tensile structural steels, heavy sections and restrained joints in high tensile steels, It gives a very smooth arc, medium penetration and least spatter characterized by ease of operation in all positions. Gives radiographic quality welds.
Dry the electrode at 300˚C for 1 hour for best results. |
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Application : |
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For welding of high tensile steels. |
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Earthmoving equipment and other similar heavy fabrications |
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Boiler power house construction |
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Oil refineries |
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| Welding Currents : (Amp.) |
| 6.3mm |
5mm |
4mm |
3.15mm |
2.5mm |
| 270-320 |
180-250 |
140-180 |
90-140 |
50-90 |
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| Weld Metal Chemistry (%) |
| C |
Mn |
Si |
Cr |
Mo |
S |
P |
| 0.09 max |
1.20-1.70 |
0.20-0.45 |
1.10-1.60 |
0.25-0.40 |
0.03 max. |
0.03 max. |
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| All – weld Mechanical Properties |
| UTS (N/mm2) |
YS (N/mm2) |
Elng. % (L=4xd) |
CVN Impact values
Temp˚C 27±2 |
| 630-700 |
550-620 |
20-24 |
150-200 |
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| Impact properties of Pure Weld Metal at Sub-zero Temperatures |
| Testing Temperature |
CVN impact values |
| ˚C |
J |
| -0˚C |
120-180 |
| -20˚C |
100-140 |
| -40˚C |
80-120 |
| -60˚C |
30-70 |
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| Dimension & Weight Specifications of Electrode |
| Dia, mm |
Length, mm |
Wt per 100 pcs, kg. |
Pcs per carton |
Pcs per box |
| 6.3 |
450 |
166 |
30 |
120 |
| 5 |
450 |
104 |
45 |
180 |
| 4 |
450 |
67 |
70 |
280 |
| 3.15 |
450 |
44 |
105 |
420 |
| 2.5 |
350 |
23 |
150 |
600 |
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