Electrode Castec 3099 2.40mm 1.0Kg
SKU: 309924x1“Recommended for welding engineering-grade cast iron when machinability is the most important end requirement. Deposits have excellent machinability in all-positions especially on thin section castings. Sound, dense deposits are porous-free.”
$297.00 Inc. GST
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Mechanical properties
| Tensile Strength MPa | 365 |
Base Metals
Recommended for grey cast iron. Welds steel to cast iron.
Repairs of grey cast iron motor blocks, pump housings and other thin walled cast iron parts. Repairs of parts such as foundry defects, surface flaws, etc. Building up missing sections, gears, impellers and housings.
Preparation
Thoroughly clean weld area. Use Xuper ExoTrode to remove all cracks, defects, damaged metal and any stress raisers.
Preheating
While preheating is generally not necessary, preheating to approximately 200oC will enhance flow characteristics of weld metal. In some cases (eg complicated castings) adequate preheating and interpass temperature would facilitate welding.
Welding parameters
| Dia. mm | 3.2 | 4.0 |
| Current A | 70-120 | 90-140 |
Welding polarity AC/DC straight polarity
Maximum settings result in faster deposition rates which are desirable for larger sections. Minimum settings are recommended for thinner sections.
Welding technique
Direct the arc onto the weld deposit. Lightly peen hot weld beads to relieve stresses. Remove slag between passes. Allow work piece to slowly return to room temperature.
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