StarBlaze Prime 8018 C3
AWS A5.5: E8018-C3 | ISO 2560-A: E 46 4 1Ni B 32 H5
-40 °C Impact Toughness | X-Ray Quality Welds | Low-Hydrogen, High-Strength All-Position
Engineered for 1% Nickel steels, STARBLAZE PRIME 8018 C3 delivers a robust blend of weld toughness, ductility, and crack resistance in low-temperature structural and pressure vessel applications. With smooth slag detachment, low spatter, and high arc stability, it’s ideal for welding high-tensile alloy steels in environments reaching –40 °C.
Available Packs
- Dimensions: 2.50 mm x 350 mm, 3.15 mm x 450 mm, 3.20 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, Customisable packaging available on request
Key Features
- Maintains ≥ 70 J Charpy impact strength at –40 °C
- Low-hydrogen coating; ideal for stress-prone structures
- Excellent weldability with minimal slag retention
- Good elongation and toughness in welded joint
- Consistent arc stability across all diameters
- X-ray quality, crack-free welds with refined bead profile
Industries
- Low-Temperature Pipeline Welding
- Petrochemical Plants and LNG Terminals
- Power Equipment and Pressure Vessels
- Heat Exchangers & Structural Tubing
- Heavy Fabrication under Thermal Cycling
Processes
- Manual Metal Arc Welding (MMA / SMAW)
- Suitable for AC and DC+ polarity
- All-position capable: PA, PB, PC, PF, PE
- Ideal for pipe joints, pressure seams, and frames
Additional Details
- Compatible base metals include: S(P)420–S(P)500, L245–L485
- Store in dry, sealed conditions to preserve low-hydrogen coating
- Re-dry at 300–350 °C for 1–2 hours prior to use
- Well-suited for cold-weather weld repair or fabrication
- High ductility and elongation (≥ 26%) reduce fracture risk
Product Details
Typical Weld Metal Chemical Composition (%)
| C | Si | Mn | Mo | Ni | P | S |
| 0.07 | 0.40 | 1.00 | 0.20 | 1.00 | 0.020 | 0.015 |
Typical Mechanical Properties (All Weld Metal)
| Heat Treatment | Yield Strength
Rp (N/mm2) |
Tensile Strength
Rm (N/mm2) |
Elongation
A5 (%) |
Charpy Impact Value
(ISO-V(J) -40°C) |
| As Welded | 470-550 | ≥ 580 | ≥ 26 | ≥ 70 |
Recommended Welding Parameters
| DIameter (mm) | Amperage Range (A) |
| 2.50 | 50-90 |
| 3.15 | 90-130 |
| 3.20 | 90-130 |
| 4.00 | 140-180 |
| 5.00 | 180-230 |
