StarBlaze Prime 308L
AWS A5.4: E308L-16 | DIN EN ISO 3581-A: E 19 9 LR 12 | DIN EN 1600: E 19 9 LR 12 | Werkstoff Nr: 1.4316
Extra Low Carbon, 800°C Scaling Resistance, Smooth Arc and Finish
Extra low carbon rutile-basic stainless electrode with ~8% ferrite for corrosion and crack resistance in 18/8 stainless steels. Offers soft arc behaviour with minimal spatter, clean slag release, and excellent bead quality. Effective in operating temperatures from –120°C to +350°C with scaling resistance up to 800°C.
Available Packs :
- 2.50 mm x 350 mm – 2.5 kg pouch
- 3.15 mm x 350 mm – 5 kg box
- 4.00 mm x 450 mm – 5 kg box
- 20 kg master carton
- Custom packaging available on request
Key Features
- Controlled ferrite content for corrosion/crack resistance
- Excellent slag removal, low spatter, smooth restrike
- Suitable for positional welding with consistent bead formation
- Tensile strength: 610 N/mm² | Elongation: 40%
- Charpy impact value: 70 J
- Compatible base materials: 304, 304L, 308, 308L, 321, 347 (UGINOX 18-9, 19-11)
Industries
- Boilers and heat exchangers
- Turbines and pressure vessels
- Cryogenic and thermal service pipelines
- Sanitary stainless assemblies
- Food-grade and process engineering systems
Processes
- Manual Metal Arc Welding (MMA / SMAW)
- DC+ compatible welding
- Positional stainless steel welding
- Fabrication of cryo-thermal equipment
- Low carbon 18/8 stainless joining
- Multi-pass welds on corrosion-resistant structures
- Interpass temperature-controlled stainless welding
Additional Details
- Use case: General-purpose welding of low carbon 18/8 stainless steels with cryogenic to elevated temperature range
- Handling: Redry at 250–300°C for 1 hour if exposed to humidity
- Storage: Store in dry, low-humidity storage or maintain sealed until use
- Limitations: Avoid on stabilised grades or in conditions where high ferrite control is critical
Product Details
Typical Weld Metal Chemical Composition (%)
| C | Mn | Si | Cr | Ni | P | S |
| 0.02 | 0.90 | 0.80 | 19.0 | 10.0 | 0.015 | 0.010 |
Typical Mechanical Properties (All Weld Metal)
| Tensile Strength
Rm (N/mm2) |
Elongation
A5 (%) |
Charpy Impact Value
(ISO-V J RT) |
| 610 | 40 | 70 |
Recommended Welding Parameters
| Diameter (mm) | Amperage Range (A) |
| 2.50 | 50-80 |
| 3.15 | 70-110 |
| 3.20 | 70-110 |
| 4.00 | 100-150 |
| 5.00 | 140-190 |
