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| Categories | Graphite Electrode |
|---|---|
| Brand Name: | HUATAO |
| Model Number: | EZC, EZNi, EZNiFe, EZNiCu, EZV etc |
| Certification: | AWS A5.4 and ISO 3581-A |
| Place of Origin: | CHINA |
| MOQ: | 1carton |
| Price: | 5USD - 10 USD per carton |
| Payment Terms: | L/C,T/T,Western Union,MoneyGram |
| Supply Ability: | 500Tons per Month |
| Delivery Time: | 15-30days |
| Packaging Details: | carton box |
| Product Name: | Cast Iron Welding Electrodes |
| Material: | Cast Iron |
| Diameter - Value:: | 2.0mm, 2.5mm, 3.2mm, 4.0mm, 5.0mm (standard sizes for different welding thicknesses) |
| Coating Type: | Graphite-based (for high carbon content), Titania-calcium, Low-hydrogen, or Nickel-alloyed (varies by model, e.g., EZNi uses nickel-rich coating for crack resistance) |
| Deposited Metal C Content: | EZC: 3.0–4.0%, EZNi: ≤0.1%, EZNiFe: ≤0.15% (carbon affects hardness and weldability; lower carbon in nickel-based electrodes reduces cracking risk) |
| Deposited Metal Ni Content: | EZC: 0%, EZNi: ≥90%, EZNiFe: 45–60% (nickel enhances ductility and compatibility with cast iron) |
| Tensile Strength: | EZNiFe: 300–400 MPa, EZNi: ≥290 MPa (measures weld joint strength under tension) |
| Elongation: | EZNiFe: ≥10%, EZNi: ≥15% (percentage of lengthwise deformation before fracture, indicating weld ductility) |
| Impact Toughness: | EZNiFe: ≥27 J at -20°C (resistance to sudden loading; critical for dynamic applications) |
| Applicable Welding Positions: | Flat, Vertical, Horizontal, Overhead (most nickel-based electrodes support all-position welding; iron-based electrodes may be limited to flat/horizontal positions) |
| Company Info. |
| HUATAO LOVER LTD |
| Verified Supplier |
| View Contact Details |
| Product List |
Title: Premium Aluminium Welding Wires | High-Strength & Crack-Free for TIG/MIG
Welding aluminium isn’t for the faint-hearted—thin sheets warp, porosity ruins finishes, and cracks appear out of nowhere. That’s why aerospace shops in Toulouse and speedboat builders in Miami rely on our wires. Whether you’re TIG-welding a motorcycle fuel tank or MIG-repairing a fishing boat hull, these wires deliver buttery arcs, minimal spatter, and welds that pass X-ray inspections.

Silicon to the Rescue: ER4043’s 5% silicon content prevents hot cracking on 6000-series alloys. A Japanese auto shop fixed 50+ cracked transmission housings last year using this trick.
Saltwater? No Sweat: ER5356’s magnesium boost resists marine corrosion. Used on 2023’s Sydney-to-Hobart race yacht repairs.
Works on Dirty Metal: Oxide-coated aluminium? No problem. Adjust your MIG gun to 75° and let the arc scrub the surface clean.
Certified Pure: 99.8% aluminium base with traceable mill certificates (EN ISO 18273 compliant).
Zero Birdnesting: Precision-spooled wires feed smoothly, even in old MIG machines. A Kenyan workshop revived 1980s equipment with these.
Grades & Uses:
ER4043: For auto parts, bike frames, and heat exchangers. Melts at 600°C—perfect for thin sheets.
ER5356: Marine-grade hero. Welds 5000/6000-series alloys. Survived 2-year salt spray tests in Singapore labs.
ER5183: Heavy-duty choice for shipbuilding and pressure vessels.
Sizes & Packaging:
Diameters: 0.8mm (thin sheets), 1.0mm (most versatile), 1.2mm/1.6mm (thick plates).
Spools: 1kg (hobbyists), 5kg/15kg (industrial) with rust-proof plastic cores.
Key Metrics:
Tensile Strength: 185–310 MPa (varies by alloy)
Elongation: 12–20% (bends without cracking)
Certifications: AWS A5.10, ISO 18273, Lloyds Register for marine use
Case 1: Norwegian Fishing Boat Repair
Problem: ER5356 welds on hulls failed after 6 months in icy waters.
Our Fix: Switched to 100% argon gas + 21V/180A settings. Zero failures in
3 years.
Case 2: California EV Battery Case Production
Issue: ER4043 wires caused porosity in thin 6061-T6 enclosures.
Solution: Pre-cleaned wires + wipe technique. Scrap rate dropped from 15%
to 2%.
Storage Matters: Keep spools in ziplock bags with desiccant. A Thai garage reduced porosity by 70% doing this.
Push, Don’t Drag: For MIG, push the gun at 15°—better oxide cleaning.
Preheat Smartly: Use a propane torch to warm thick aluminium to 150°F (66°C) pre-weld.
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