WELD 7018-1
Weld 7018-1 is a general – purpose basic DC + low Hydrogen electrode. Excellent for general purpose welding. Good impact values down to -45°C.
Typical Weld Metal Analysis %
| Weld Metal Analysis |
| Element |
C |
Si |
Mn |
| Nominal Percentage |
0.06 % |
0.5 % |
1.5 % |
Approvals
| Society |
CWB |
| Grade |
E4918-1-H4 |
Typical Charpy V-Notch Properties
| Testing Temperature |
-45 degC |
| Testing Temperature |
-49 degF |
| Shielding Gas |
AWS |
| Impact Value (met) |
> 27 J |
| Impact Value (imp) |
> 20 ft-lb |
| Conditional Statement |
As welded |
Classifications
| Grade |
E4918-1-H4 |
| Name |
CSA W48 |
| Grade |
E7018-1H4 |
| Name |
SFA/AWS A5.1 |
Consumable Characteristics
| Welding Current |
DC+, AC |
| Diffusible Hydrogen |
< 4.0 ml/100g |
| Coating Type |
Basic covering |
| Alloy Type |
Carbon Manganese |
Typical Tensile Properties
| Elongation |
Shielding Gas |
Tensile Strength (imp) |
Yield Strength (imp) |
| 22 % |
AWS |
> 490 MPa (> 71 ksi) |
> 400 MPa (> 58 ksi) |
Deposition Data
| Current |
110-140 A |
| Deposition Rate |
1.2 kg/h (2.6 lb/h) |
| Diameter |
3.2 x 350 mm (1/8 x 14 in.) |
| Number of electrodes/kg weld metal |
41 |
| Voltage |
23 V |
| kg weld metal/kg electrodes |
0.62 kg |
| Current |
140-200 A |
| Deposition Rate |
2.0 kg/h (4.4 lb/h) |
| Diameter |
4.0 x 450 mm (5/32 x 18 in.) |
| Number of electrodes/kg weld metal |
19 |
| Voltage |
24 V |
| kg weld metal/kg electrodes |
0.71 kg |
| Current |
200-270 A |
| Deposition Rate |
3.0 kg/h (6.6 lb/h) |
| Diameter |
5.0 x 450 mm (3/16 x 18 in.) |
| Number of electrodes/kg weld metal |
13 |
| Voltage |
24 V |
| kg weld metal/kg electrodes |
0.72 kg |
| Current |
80-110 A |
| Deposition Rate |
0.9 kg/h (2.0 lb/h) |
| Diameter |
2.5 x 350 mm (3/32 x 14 in.) |
| Number of electrodes/kg weld metal |
66 |
| Voltage |
23 V |
| kg weld metal/kg electrodes |
0.64 kg |
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