LOW ALLOY STEEL (High Temperature)
NEXA 11018-M
For High Strength Welding with Subzero Temperatures
AWS A/SFA 5.5 E11018-M
Applications
- Welding of high tensile steels like USS T-1, Fine grained steels like HY 80, HY 90, HY 100, NAXTRA 70
- Penstocks, Earthmoving equipments
- Heavy structures under restraint
- Suitable for ASTM SA 225/225M Gr.C/ D, SA 533/533M Gr.B/C/D, SA 543/ 543M Gr.B/ SA 517 Gr.F
Characteristics
- Basic type coating
- Ni-Mn-Mo-Cr-V type electrode
- Excellent crack resistant
- Excellent toughness at subzero temperature
- Radiographic quality weld metal
Chemical Composition
| C | Mn | Si | Ni | Cr | Mo |
|---|---|---|---|---|---|
| <0.1 | 1.3-1.8 | <0.6 | 1.25-2.25 | <0.4 | 0.25-0.5 |
Mechanical Properties
| UTS (MPa) | YS (MPa) | EL% | CVN Impact (J) (-50℃) | Diffusible H2 |
|---|---|---|---|---|
| >760 | 680-760 | >20% | >27 | <5 ml/100 gm |
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 | 190-250 |
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 minimum 1 hr.