Welding Electrode

We are offering Duroid 650 Welding Electrode. This rutile-coated electrode gives an air-hardening type weld deposit, which is resistant to severe abrasion and moderate impact between metal to mineral wearing stresses. It provides moderate resistance to corrosion and scaling.

Special Features:

• Smooth arc with low spatter.
• It is very easy to use in all positions.
• Excellent weld bead appearance.

• Marathon Pac
• Vacpac
• Ok Autrod
• Ok Tubrod

In Cobalarc MX, preformed carbides in tube route have been adopted to derive supersaturated composite alloy with high volume fraction of extremely abrasion resistant superalloys along with complex stabilized carbides. While the electrode is best to solve critical wear problems at high temperatures, it also performs better than chrome-carbide electrodes even at room temperature. It provides very good oxidation and corrosion resistance upto 1200°C.

Special Features:

• Unmatched deposition rates — high integrity deposits
• Compared to solid cored electrodes, the current requirement is low so the dilution by parent metal is contained to a minimum
• Non-hygroscopic coating needs no storage precaution — infinite shelf life
• Resistance to severe fine and coarse particle abrasion at ambient to temperatures around 800°C
• Can be used in horizontal-vertical positions

Typical Applications:

• Exhaust fan handling high temperature flue gases with ash, catalyst particles
• Ash ploughs, conveyer screws
• Dragline bucket lips, bulldozer blades, shovel bucket lips and tooth points, drill bits
• Sinter plant components, Paulworth chutes,
• Copper ladles and other non-ferrous industry applications, Zn industry blast furnace bells 

• Marathon Pac
• Vacpac
• Ok Autrod
• Ok Tubrod

The refining action of the slag prevents hot shortness in high sulphur cast iron, giving a sound radiographic joint. The deposit exhibits exceptional strength and for repairing thick joints in cast iron it provides fail-proof performance and prolonged service life. 
 

Special Features:

• The last word in any critical cast iron weld
• Inclusion free joint achieved by formation of nitrogenous slag

Welding Procedure:

• The weld area has to be cleaned of all scales, rust, grease, oil and dirt.
• The smallest possible electrode diameter should be used with skip welding
• For big jobs use sufficient current for proper base metal fusion and bonding
• Preheating generally is not required, but complicated castings can be preheated to 250-300°C
• After welding, the weld should be peened with hammer and cooled slowly.

• Marathon Pac
• Vacpac
• Ok Autrod
• Ok Tubrod

• Marathon Pac
• Vacpac
• Ok Autrod
• Ok Tubrod

We are offering Bronzoid Welding Electrode. It has easy slag detachability and produces homogeneous and sound weld metal free from porosity and cracks. It gives an excellent colour match on bronze.

Special Features:

• Smooth and stable arc with low spatter loss.
• Deposits a weld with fine bead appearance and easy de-slagging properties. 

• Marathon Pac
• Vacpac
• Ok Autrod
• Ok Tubrod

• Smooth and stable arc with low spatter
• Excellent colour match Good machinability
• Slag is easily detachable.

Stoodite 1 Welding Electrode is the highest hardness standard Stoodite alloy in the group of cobalt alloys used for elevated temperature abrasive wear associated with corrosion. Deposits of this alloy have a large volume of chromium carbides that impart outstanding abrasive wear resistance. The addition of tungsten enhances high temperature hardness and matrix toughness for excellent adhesive and solid particle erosion wear resistance. It bonds well with all steels, including stainless.

Note: Minimum preheat recommended is 400°F (204°C). Required preheat will depend on base material composition and component dimensions.

Typical Mechanical Properties:

• Abrasion resistance excellent impact resistance faircorrosion resistance Good hardness (2 layer), HRC 46 – 50 Hot hardness excellent magnetic no deposit layers 2 maximum surface cross check some cracking possible machinability use carbide tools/grind

Typical Deposit Chemistry (WT%):

• Carbon 2.1
• Chromium 29.6
• Iron 3.3
• Manganese 0.1
• Molybdenum 0.1
• Nickel 1.6
• Silicon 0.9
• Tungsten 12.1
• Cobalt Balance

Typical Applications:

• Mixer seals and rotor
• Chemical valve balls and seat
• Cement handling system
• Oil drilling tool
• Paper-pulp component
• Extrusion screw
• Steel mill component

We are offering Tungsten Welding Electrode. The electrodes give long running life as the chemistry is well maintained as compared to other electrodes available in the market.

• C - 0.07
• Si - 0.35
• Mn - 1.25

• YS (N/mm2) - 510
• UTS (N/mm2) - 590
• Elongation (%)- 28
• Impact (CVN)
• @ -30ºC (Joules) - 100

• It is recommended for welding structures of varying thickness of MS plates in different type of joints and welding ordinary grade ship steel as well as structural steel of similar strength and composition. Suitable for welding of pipes, bridges, boilers and pressure vessels storage tanks, etc.