StarBlaze Prime 8018W2
AWS A5.5: E8018-W2 | DIN EN ISO 2560-A: E 46 2 Z B 32
Superior Corrosion Resistance | Weathering Steel Specialist | Moisture-Resistant Weld Quality
A basic coated, low hydrogen Cr-Ni-Cu electrode developed for welding weathering-grade steels like CORTEN-A and CORTEN-B. Offers excellent corrosion resistance and smooth weld appearance with finely rippled beads and easy slag removal. Delivers stable arc performance across all positions with high radiographic quality.
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
- Superior corrosion resistance for weathering steels
- Easy slag release and finely rippled bead finish
- High impact strength at sub-zero temperatures (≥47 J @ -20 °C)
- Radiographic quality welds with stable arc and low spatter
- Excellent usability across all welding positions
- Structural Steelworks
- Weathering Steel Infrastructure
- Bridge Fabrication
- Outdoor Load-Bearing Frames
- Corten Architecture & Engineering Projects
- Manual Metal Arc Welding (MMA / SMAW)
- Compatible with AC and DC+ polarity
- Welding positions: PA, PB, PC, PF, PE
- Designed for positional welding in structural applications
- Suitable base materials include:
• ASTM A 242, A 588 (Corten-grade steels and equivalents) - Diffusible hydrogen ≤ 4 ml per 100g weld metal
- Re-dry at 300–350°C for 1 hour if needed; otherwise store sealed in dry conditions
- Delivers reliable performance in weathering and marine-prone environments
Product Details
Typical Weld Metal Chemical Composition (%)
| C | Si | Cu | Mn | Cr | Ni | P | S |
| 0.07 | 0.50 | 0.50 | 1.00 | 0.60 | 0.60 | 0.020 | 0.015 |
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 |
| ≥ 480 | 560-650 | ≥ 21 | ≥ 47 |
Recommended Welding Parameters
| Diameter (mm) | Amperage Range (A) |
| 2.50 | 60-90 |
| 3.15 | 100-140 |
| 4.00 | 140-180 |
| 5.00 | 190-250 |
