Low Hydrogen Electrode
NEXA-7018
For Pressure Vessels and Bridges
AWS A/SFA 5.1 E-7018
IS EB 5426H3JX
Applications
- For heavy structure subject to dynamic loading
- For heavy structure subject to impact
- For high restrained joints
- Boilers and Pressure Vessels
- For earth moving machinery and equipment
Characteristics
- Low hydrogen iron powder type electrode
- Designed to weld heavy restrained joints subject to dynamic loading
- Weld deposit is tough, ductile and of radiographic quality
- The deposition efficiency approx 115%
Chemical Composition
| C | Mn | Si | S | P | Ni | Cr | Mo | V |
|---|---|---|---|---|---|---|---|---|
| <0.15 | <1.6 | <0.75 | <0.035 | <0.035 | <0.3 | <0.2 | <0.3 | <0.08 |
Mechanical Properties
| UTS (MPa) | YS (MPa) | El% | CVN Imp (-30°C), J |
|---|---|---|---|
| >490 | >400 | 22 | >27 |
Welding Currents (AC (70 OCV)/DCEP)
| 2.5 x 350 mm | 3.15 x 350 mm | 3.15 x 450 mm | 4.0 x 350 mm | 4.0 x 450 mm | 5.0 x 450 mm |
|---|---|---|---|---|---|
| 60-100 | 90-120 | 90-120 | 140-180 | 140-180 | 180-220 |
Product Specifications
Current Type
AC (70 OCV)/DCEP
Welding Positions
Packaging
- Supplied in 5 Kgs x 4 pkts = 20Kgs
Conditions (Pre-Drying)
- 250-300°C for min. 1hr