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| 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) |
| Highlight: | aluminium welding wires premium,graphite electrode aluminium welding,welding wires with warranty |
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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.
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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.
Contact Person: Maple
Tel: +86 15103371897
Fax: 86--311-80690567