StarBlaze Prime 7024
AWS A5.1: E7024 | ISO 2560-A: E 42 0 RR 53 | EN 499: E 42 0 RR 53
140–150% Recovery | Flat & Fillet Optimised | Low Spatter, High Build
A high-efficiency iron powder electrode engineered for rapid deposition in flat and horizontal fillet welds. Offers smooth bead appearance, self-releasing slag, and soft fusion arc stability. With deposition efficiency up to 150%, STARBLAZE 7024 is the go-to electrode for fabrication of large structural elements, tanks, and heavy-duty platforms.
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, Customisable packaging available on request
Key Features
- High-efficiency electrode (140–150% recovery)
- Soft arc, excellent slag release, low spatter
- Ideal for heavy wall fillet welds and butt joints in flat position
- Produces smooth rippled beads with minimal cleanup
- Excellent for shop welding of tanks, girders, and storage frames
- Suitable for single-layer or multilayer flat welds
Industries
- Storage Tank & Vessel Fabrication
- Bridge Girders & Earthmoving Frames
- Platform & Skid Structure Assembly
- Shipyards and Heavy Equipment Welding
- General Structural Steel Fabrication
Processes
- Manual Metal Arc Welding (MMA / SMAW)
- Operates on both AC and DC+ polarity
- Welding positions: PA (flat), PB (horizontal fillet)
- Not intended for vertical or overhead use
- Optimal for long, uninterrupted weld passes on thick sections
Additional Details
- Base materials:
• EN: S185–S355, P235–P355, L210–L360
• ASTM: A285 C, A414 C–F, A442 Gr.55/60, A515 Gr.55–65
• Ship steels: Quality A & B - Re-drying not typically necessary if sealed; avoid condensation
- Charpy impact strength > 64 J @ +20 °C
- Recommended for use on clean base metal with good fit-up
- Weld fusion is broad and soft—ideal for flat deposition with minimal reinforcement
Product Details
Typical Weld Metal Chemical Composition (%)
| C | Si | Mn | S | P |
| 0.10 | 0.40 | 0.90 | 0.020 | 0.025 |
Typical Mechanical Properties (All Weld Metal)
| Yield Strength Rp (N/mm2) | Tensile Strength Rm (N/mm2) | Elongation A5 (%) | Charpy Impact Value (ISO-V J +20°C) |
| > 400 | 510-600 | 24 | > 64 |
Recommended Welding Parameters
| Diameter (mm) | Amperage Range (A) |
| 2.50 | 80-120 |
| 3.15 | 120-150 |
| 4.00 | 150-190 |
| 5.00 | 180-230 |
