C-Mn STEEL (Low Hydrogen)
NEXA 7018-1
With Superior Low Temp. Impact Properties
AWS A/SFA 5.1 E7018-1
IS EB 5629H3JX
Applications
- Storage tanks, pipes, boilers
- Bridges & heavy structures subject to dynamic loading
- Joining ASTM SA 414/414M Gr.C/D, SA 516/516M Gr.55/60, IS 2002, IS 2062 steels
Characteristics
- Basic coated iron powder type
- Suitable for pipe welding in 5G, 6G & 6GR positions
- Excellent toughness down to -50℃
- Radiographic weld deposit
- All position capability
Chemical Composition
| C | Mn | Si |
|---|---|---|
| 0.1 | 1.3 | 0.5 |
Mechanical Properties
| UTS (MPa) | YS (MPa) | EL% | CVN Impact (J) (-46℃) |
|---|---|---|---|
| >490 | >400 | >22% | >45 |
Welding Currents (AC (70 OCV)/DCEP)
| 2.5 x 350 mm | 3.15 x 350 mm | 3.15 x 450 mm | 4.0 x 450 mm | 5.0 x 450 mm |
|---|---|---|---|---|
| 60-100 | 90-120 | 90-120 | 140-180 | 180-240 |
Product Specifications
Current Type
AC (70 OCV)/DCEP
Welding Positions
Packaging
- Standard carton packing of 20 kg box containing 4 cartons of 5 kg each.
Conditions (Pre-Drying)
- 250-300°C for min. 1hr