StarBlaze Prime 11018-G
AWS A5.5: E11018-G H4
Ultra-Tough | Low Hydrogen | Fine-Grained Steel Specialist
An extra low hydrogen, iron powder basic coated electrode formulated for high tensile strength fine-grained steels. Ensures crack-free joints, excellent arc stability, and X-ray quality welds. Ideal for heavy structural and pressure applications requiring high strength, fine-rippled welds, and superb impact performance at sub-zero temperatures.
- Available Packs
- Dimensions: 2.50 mm x 350 mm, 3.15 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
- Very high yield strength ≥ 720 N/mm²
- Tensile strength up to ≥ 780 N/mm²
- Excellent notch toughness: ≥ 47 J at -60°C
- Excellent slag removal and arc control
- Crack-resistant joints with low spatter
Industries
- Heat-treated fine-grained steels (N-A-XTRA 70, Hy 80/Hy100, etc.)
- Penstocks and heavy dynamic loading structures
- Earthmoving machinery and hydro components
- X-ray quality welds in critical infrastructure
Processes
- Shielded Metal Arc Welding (SMAW / MMA)
- DC+ polarity recommended
- All-position usability: PA, PB, PC, PF, PE
Additional Details
- Compatible with EN 10113-2/3, EN 10028-2, EN 10216-1, EN 10217-1 steel grades
- Diffusible hydrogen: < 3 ml / 100g weld metal
- Redrying instruction: 300–350°C for 2 hours
- Store dry and avoid condensation before use
Product Details
Typical Weld Metal Chemical Composition (%)
| C | Si | Mn | Cr | Mo | Ni | P | S |
| 0.06 | 0.40 | 1.70 | 0.35 | 0.40 | 2.20 | 0.025 | 0.016 |
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) |
| ≥ 720 | ≥ 780 | ≥ 17 | ≥ 47 | < 3ml |
Recommended Welding Parameters
| Diameter (mm) | Amperage Range (A) |
| 2.50 | 60-90 |
| 3.15 | 100-140 |
| 4.00 | 140-180 |
| 5.00 | 180-230 |
