StarBlaze Prime 8018G
AWS A5.5: E8018-G H4 | DIN EN ISO 2560-A: E 50 5 B 35 H5 | EN 499: E 50 5 B 35 H5
115% Recovery | Moisture-Resistant Low Hydrogen | Tough for High-C-P-S Steels
A high-recovery, basic-coated low hydrogen electrode engineered for structural and fine-grained steels with higher carbon, phosphorus, or sulfur. Featuring excellent impact strength at –50 °C and radiographic-grade weld quality, it is a robust choice for cast steels, cement kilns, boiler tubes, and chassis applications. Maintains stable arc and smooth formability in moisture-exposed environments. Versatile performance across varied steel chemistries with dependable toughness and fill.
- 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 notch toughness (≥ 60 J @ –50 °C)
- Stable arc, smooth bead flow, and excellent formability
- Low hydrogen moisture-resistant formulation (< 3 ml/100 g)
- Performs well on steels with higher C, P, and S contents
- High elongation and strength for pressurised applications
- 115% weld metal recovery—ideal for fabrication & buildup
- Boiler & Pressure Vessel Manufacturing
- Cement Kilns & Tube Sections
- Heavy Machinery & Earthmoving Equipment
- Machine Frames & Structural Chassis
- Pipework in Power & Refinery Systems
- Manual Metal Arc Welding (MMA / SMAW)
- AC and DC+ polarity compatible
- Positional use: PA, PB, PC, PF
- Excellent for multi-pass structural welding
- Suitable for various steel standards: EN 10025, EN 10216-1, EN 10113-2/3, EN 10213-2
- Re-dry at 300–350 °C for 2 hours before use
- Store dry to preserve hydrogen control performance
- Recommended for steels with medium to high mechanical restraint
Product Details
Typical Weld Metal Chemical Composition (%)
| C | Si | Mn | Ni | P | S |
| 0.07 | 0.40 | 1.50 | 0.60 | 0.022 | 0.015 |
Typical Mechanical Properties (All Weld Metal)
| Yield Strength
Rp (N/mm2) |
Tensile Strength
Rm (N/mm2) |
Elongation
A5 (%) |
Charpy Impact Energy
ISO-V(J) -50°C |
Diffusible Hydrogen
(Per 100g weld metal) |
| ≥ 500 | 560-680 | 28 | ≥ 60 | < 3 ml |
Recommended Welding Parameters
| Diameter (mm) | Amperage Range (A) |
| 2.50 | 60-90 |
| 3.15 | 100-140 |
| 4.00 | 140-180 |
| 5.00 | 180-230 |
