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Stainless Steel Electrodes - Prenox- 312 |
Characteristics :
PRENOX-312 is a medium heavy coated, highly alloyed AC/DC electrode for all positions welding. The electrode has quiet & stable arc, low spatter & easily detachable slag. It gives radiographic quality welds which are highly resistant to weld metal cracks and oxidation.
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Applications :
For welding difficult to weld & problem steels, tools & dies, leaf springs, gears, high temperature steels, stainless to high carbon steels, wear plates, dissimilar steels, furnace parts & combustion chamber parts etc.
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Weldmetal Composition
Element |
Percent |
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C |
0.15 Max |
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Si |
0.2-0.9 |
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Mn |
1.0-2.0 |
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Cr |
28-32 |
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Ni |
8.0-10.5 |
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Mo |
0.75 Max |
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S |
0.03 Max. |
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P |
0.03 Max. |
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Typical Mechanical Properties of all weld Metal
Ultimate Tensile Strength Kg/mm2 |
Elongation % (L=5d) |
| 70-80 |
22 |
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Classifications :
AWS A5.4 |
E-312 16 |
IS |
5206 E 29.9 R 26 |
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Current Range & Packing Data :
Size MM DxL |
Current Range (Amps) AC or DC (+) |
Pieces per Packet |
Pieces per Carton |
| 2.50x350 |
40-80 |
100 |
600 |
| 3.15x350 |
70-120 |
60 |
360 |
| 4.00x350 |
90-140 |
40 |
240 |
| 5.00x350 |
130-180 |
30 |
180 |
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Instructions :
- Keep electrodes dry.
- Do not use excessive current.
- Hold short arc.
- Use good fit-up on joints.
- Adopt proper sequence.
- Remove the slag with a stainless steel wire brush.
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