StarBlaze Prime 308
AWS A5.4: E308-16 | DIN EN ISO 3581-A: E 19 9 R 12 | DIN EN 1600: E 19 9 R 12 | Werkstoff Nr: 1.4316 P
Crack-Resistant, Low Spatter, High-Temperature Stability
Summary:
Rutile-coated stainless steel electrode with ~5% ferrite content for welding non-stabilised 18/8 austenitic steels. Offers excellent resistance to cracking, corrosion, and scaling up to 800°C. Produces spatter-free fusion, smooth bead appearance, and easy slag removal – ideal for boilers, piping systems, and reactors.
Key Features
- Stable arc, low spatter, and excellent bead appearance
- Cracking and oxidation resistant up to 800°C
- Ferritic balance improves hot crack resistance
- Charpy impact value: 60 J | Elongation: 39%
- Tensile strength: 610 N/mm²
- Compatible base materials: SS 304, 321, 347 (UNS S30400, S32100, S34700)
Industries
- Heat exchanger and piping systems
- Boilers and steam lines
- Reactor and pressure vessel fabrication
- Turbines and thermal plant infrastructure
- General 18/8 stainless steel construction and repair
Processes
- Manual Metal Arc Welding (MMA / SMAW)
- AC/DC welding
- Fabrication of non-stabilised austenitic stainless steels
- Overlay and joining of 18/8 stainless steels
- Multi-pass joint welding
- Thermal equipment and process piping
- Structural repair in corrosive environments
Product Details
Typical Weld Metal Chemical Composition (%)
| C | Si | Mn | Cr | Ni | S | P |
| 0.05 | 0.80 | 0.80 | 19.40 | 9.50 | 0.015 | 0.020 |
Typical Mechanical Properties (All Weld Metal)
| Tensile Strength
Rm (N/mm2) |
Elongation
A5 (%) |
Charpy Impact Value
(ISO-V J RT) |
| 610 | 39 | 60 |
Recommended Welding Parameters
| Diameter (mm) | Amperage Range (A) |
| 2.50 | 50-80 |
| 3.15 | 80-110 |
| 3.20 | 80-110 |
| 4.00 | 120-150 |
| 4.80/5.00 | 150-180 |
