Description
Jupiter A Arc Welding Rods General-Purpose Electrodes for Dirty and Oil-Soaked Cast Iron Repairs (SMAW) – 1lb Tube
Product Description
Built for rough castings and fast field repairs.
Jupiter A rods are engineered for maintenance welders needing strong, sound welds on dirty, oil-soaked, or unknown cast iron materials. Whether you’re restoring a cracked machine base or patching ductile iron without a full teardown, Jupiter A delivers nonporous, ductile results with no special prep.
Perfect for cast iron-to-steel joints or in-place repairs, Jupiter A ensures downtime stays minimal and welds stay strong.
Key Features
- Welds all cast iron types: ductile, Meehanite, malleable, gray
- Strong 79,000 psi tensile strength
- Produces ductile, machinable, porosity-free deposits
- Welds through dirt and oil
- Suitable for cast iron to steel joints
- Prevents hard spots and weld failure under stress
- Operates on AC or DCEP (DC reverse polarity)
Packaging & Sizes
- Electrode length: 14″
- Sold in 1 lb, 5 lb, or 11 lb plastic tubes
- Available diameters:
- 3/32″
- 1/8″
- 5/32″
Recommended Amperage Settings (20%)
- 3/32″: 60 Amps
- 1/8″: 100 Amps
- 5/32″: 125 Amps
- Use AC or DC reverse polarity (DCEP)
Welding Instructions
- Remove cracks and stop drill ends
- Use medium arc and apply stringer beads
- Skip weld to prevent excessive heat buildup
- Light peening between passes recommended
- Preheat critical or heavy parts to 500F (260C)
- Cool parts slowly after welding
Applications
- Field repair of oil-impregnated or dirty cast iron
- Cast iron to steel joining
- In-place machine or equipment restoration
- Maintenance jobs where teardown isn’t feasible
