StarBlaze Prime 308L-15
AWS A5.4: E308L-15 | DIN EN ISO 3581-A: E 19 9 LB 22 | DIN EN 1600: E 19 9 LB 22 | Werkstoff Nr: 1.4316
Cryogenic-Grade Strength, IGC-Compliant, Low Hydrogen Weldability
Basic-coated stainless electrode with low hydrogen content for welding 304L and other austenitic stainless grades, offering excellent mechanical performance down to –196°C. Meets IGC Practice E and ASME Section II Part C standards. Designed for precise positional welding with smooth slag detachment and low spatter.
- Available Packs
- Dimensions: 2.50 mm x 350 mm, 3.15 mm x 450 mm,4.00 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
Key Features
- Low-carbon stainless weld deposit suitable for cryogenic service
- Excellent positional weldability and low spatter fusion
- IGC-compliant (Practice E) and ASME-qualified for pressure applications
- Tensile strength: ≥550 N/mm² | Elongation: ≥35%
- Charpy impact: ≥47 J at –196°C
Compatible base materials: 304, 304L, 321, 347; X2CrNi19-11, X6CrNiNb18-10
Industries
- Cryogenic storage systems
- LNG and gas handling infrastructure
- Pressure vessel fabrication
- Food-grade and chemical piping
- Heat exchanger and low-temp equipment welding
Processes
- Manual Metal Arc Welding (MMA / SMAW)
- DC+ polarity for controlled arc
- Multi-pass welding on low carbon stainless
- Positional and overhead stainless applications
- ASME Section II-compliant weld projects
- IGC-tested stainless assemblies
- Cryogenic pipeline and tank fabrication
Additional Details
- Use case: Welding of 304L and other low carbon austenitic stainless steels in cryogenic and pressure-rated service
- Handling: Redry at 250–300°C for 1 hour before use if exposed to ambient air
- Storage: Maintain in dry oven or vacuum-sealed storage to retain low hydrogen characteristics
- Limitations: Not suitable for stabilised grades (e.g., 321, 347); avoid exposure to damp environments
Product Details
Typical Weld Metal Chemical Composition (%)
| C | Si | Mn | Cr | Ni | S | P |
| 0.03 | 0.40 | 1.70 | 19.00 | 10.50 | 0.015 | 0.020 |
Typical Mechanical Properties (All Weld Metal)
| Yield Strength Rp (N/mm2) | Tensile Strength Rm (N/mm2) | Elongation A5 (%) | Charpy Impact Value (ISO-V J at -196°C) |
| ≥ 350 | ≥ 550 | ≥ 35 | ≥ 47 |
Recommended Welding Parameters
| Diameter (mm) | Amperage Range (A) |
| 2.50 | 50-80 |
| 3.15 | 80-110 |
| 3.20 | 80-110 |
| 4.00 | 110-140 |
| 5.00 | 150-170 |
