Maintenance & Repair Alloys

Uniweld offers many types of welding alloys used for joining a wide variety of metals. When joining metals, the alloys being used should be similar, but not identical to the metal that is being joined. When joining dissimilar metals, the alloys will be different from one or both of the base metals.

Product Information

Part # Product Description Size
C42D1 Uni-1500FC 18″ 1 lb Package 1/16″
C42F1 Uni-1500FC 18″ 1 lb Package 3/32″
C42H1 Uni-1500FC 18″ 1 lb Package 1/8″
C77H1 Uni-1900 14″ 1 lb Package 1/8″
D17D1 Uni-2000 12″ 1 lb Package 1/16″
D17F1 Uni-2000 14″ 1 lb Package 3/32″
D17H1 Uni-2000 14″ 1 lb Package 1/8″
D27F1 Uni-2200 14″ 1 lb Package 3/32″
D27H1 Uni-2200 14″ 1 lb Package 1/8″
D37F1 Uni-2300 14″ 1 lb Package 3/32″
D37H1 Uni-2300 14″ 1 lb Package 1/8″
E17H1 Uni-2400 14″ 1 lb Package 1/8″
E17H4 Uni-2400 14″ 5 lb Package 1/8″
H17F1 Uni-5000 14″ 1 lb Package 3/32″
H17H1 Uni-5000 14″ 1 lb Package 1/8″
K17H4 Uni-6000 5 lb Package 1/8″
K17J4 Uni-6000 5 lb Package 5/32″
K27H4 Uni-6200 14″ 5 lb Package 1/8″
K27J4 Uni-6200 14″ 5 lb Package 5/32″
K37H4 Uni-6300 14″ 5 lb Package 1/8″
K37J4 Uni-6300 14″ 5 lb Package 5/32″
L17F1 Uni-3000 10″ 1 lb Package 3/32″
L17H1 Uni-3000 14″ 1 lb Package 1/8″
L27F1 Uni-3500 10″ 1 lb Package 3/32″
L27H1 Uni-3500 14″ 1 lb Package 1/8″
L47H5 Uni-3800 14″ 10 lb Package 1/8″
P17F1 Uni-4000 14″ 1 lb Package 3/32″
P17H1 Uni-4000 14″ 1 lb Package 1/8″
P3KH1 Uni-4200 18″ 1 lb Package 1/8″
P3KH9 Uni-4200 9″ 6 pcs card 1/8″
P4KD9 Uni-4300 10′ coil 1/16″
P4KD9S Uni-4300 10′ coil 1/16″
PCJH3 Uni-4400 32″ 3 lb Package 1/8″

Additional information

Uni-1500FC

• Used on fabrication and repair of galvanized sheet, pipe, and angles.

• Salvage and repair work.

Uni-1900

• All position electrode

• Used on copper alloys, steel and cast iron

• AC/DC reverse polarity

Uni-2000

• All position electrode for mild steel

• Used for filling holes and buildup of worn surfaces

Uni-2200

• Excellent welds through dirty and contaminated surfaces

• Good arc at low amperage

Uni-2300

• Extra low hydrogen; low alloy electrode

• Works well on sulphur bearing and tramp (leaded) steels

Uni-2400

• Chamfering or gouging electrodes

• Removing unwanted or defective metal; preparation prior to welding

Uni-5000

• High tensile alloy for joining vanadium steels, mild and medium carbon steels as well as stainless steels

Uni-6000

• High alloy wearfacing for severe abrasion

• For crusher applications

• Construction, mining applications

Uni-6200

• Build-up and high impact on most steels

• Extremely tough build-up

• Rebuild idler rollers and rail ends

Uni-6300

• Produces smooth, high-crowned weld deposits

• Used on most steels and cast iron

• Resists impact

Uni-3000

• Premium Nickel Iron electrode

• Dense deposits on dirty, oil soaked cast iron

• Crack-resistant welds

Uni-3500

• Premium high Nickel alloy for thin wall grey cast iron and fabrication of cast iron to other metals

• Cladding

Uni-3800

• Nickel free alloy for maximum bonds on difficult to weld cast iron

• Repair burned furnace grates

Uni-4000

• Premium Aluminum electrode with excellent arc stability

• Use for heat treated aluminum and heavy castings

Uni-4200

• Self fluxing Aluminum solder for joining and build-up

• Fills holes and builds up worn areas

• No flux need

Uni-4300

• Joins aluminum, copper and brass

• P4KD9 includes: 1 oz. Uni-4300 Aluminum Soft Solder Flux

• P4KD9S includes: 2 oz. Uni-4300 Aluminum Soft Solder Flux w/ Applicator

Uni-4400

• Flux cored torch alloy for build-ups on aluminum

• For cracks and breaks in aluminum castings