Jupiter A – General-Purpose Electrodes, Dirty and Oil-Soaked Cast Iron Repairs

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 500ºF (260ºC)
• 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