Low Hydrogen Electrode
NEXA - 12018M
LOW ALLOY STEEL (High Temperature)
AWS A/SFA 5.5 E12018-M
Applications
- Welding of high tensile steels and fine grained steels like HY 80, HY 90, HY100
- Joining high strength, low alloy or microalloyed steels to themselves or to lower strength steels, including carbon steels
Characteristics
- Basic type coating
- Ni-Mn-Mo-Cr alloyed electrode
- Excellent crack resistance
- Excellent toughness at subzero temperature
- Radiographic quality weld metal
Chemical Composition
| C | Mn | Si | Cr | Ni | Mo |
|---|---|---|---|---|---|
| 0.1 | 1.3-2.25 | 0.6 | 0.3-1.5 | 1.75-2.5 | 0.30-0.55 |
Mechanical Properties
| UTS (MPa) | YS (0.2% Off.) | El% | CVN Imp (-50 C) |
|---|---|---|---|
| >830 | 745-830 | >18 | >47 |
Welding Currents (AC (70 OCV)/DCEP)
| 2.5 x 350 mm | 3.15 x 450 mm | 4.0 x 450 mm | 5.0 x 450 mm |
|---|---|---|---|
| 60-100 | 90-120 | 140-180 | 180-240 |
Product Specifications
Current Type
AC (70 OCV)/DCEP
Welding Positions
Packaging
- Available in Standard carton packing of 20 kg box containing 4 cartons of 5 kg each. Also available in vacuum packing
Conditions (Pre-Drying)
- 250-300°C for minimum 1 hr.