StarBlaze Prime 10018-G
AWS A5.5: E10018-G H4
High Impact Strength | Low Hydrogen | Smooth Bead Finish
A basic coated low hydrogen LMA (low moisture absorption) iron powder electrode, designed for welding of high strength steels under dynamic loading conditions. Features exceptional arc stability, low spatter, excellent slag detachability, and a finely rippled weld bead. Suitable for structural welding in earthmoving, offshore, and heavy equipment applications.
Available Packs
- Dimensions: 2.50 mm x 350 mm, 3.15 mm x 450 mm, 3.20 mm x 450 mm, 4.00 mm x 450 mm, 5.00 mm x 450 mm
- Pack Sizes: 2.5 Kg Pouch, 5 Kg Box
- Master Box: 20 Kg, 30 Kg, 40 Kg, Customisable packaging available on request
Key Features
- Excellent weldability in all positions
- High yield strength (≥ 680 N/mm²) and tensile strength (up to 850 N/mm²)
- Impact energy ≥ 47 J at -60°C
- Smooth, stable arc with excellent slag removal
- X-ray quality welds with very low hydrogen content
Industries
- High strength structural fabrication
- Earthmoving & mining equipment
- Dynamic loading and mechanical restraint joints
- Offshore structures and critical assemblies
Processes
- Shielded Metal Arc Welding (SMAW / MMA)
- DC+ polarity
- All-position welding: PA, PB, PC, PF, PE, PF2
Additional Details
- Compatible base materials: S620–S690, P690, L415–L555, BH65
- Charpy impact: 47 J minimum at -60°C
- Diffusible hydrogen: < 3 ml / 100g weld metal
- Re-drying: 300–350°C for 1–2 hours; max 3 cycles
- Ensure dry storage and moisture protection prior to use
Product Details
Typical Weld Metal Chemical Composition (%)
| C | Mn | Si | P | S | Ni | Mo |
| 0.06 | 1.40 | 0.50 | 0.020 | 0.015 | 2.50 | 0.40 |
Typical Mechanical Properties (All Weld Metal)
| Yield Strength
Rp (N/mm2) |
Tensile Strength
Rm (N/mm2) |
Elongation
A5 (%) |
Charpy Impact Energy
ISO-V(J) -60°C |
Diffusible Hydrogen
(per 100g weld metal) |
| ≥ 680 | 760-850 | ≥ 18 | ≥ 47 | < 3ml |
Recommended Welding Parameters
| Diameter (mm) | Amperage Range (A) |
| 2.50 | 65-95 |
| 3.15 | 90-140 |
| 4.00 | 140-185 |
| 5.00 | 180-240 |
