Cast Iron Alloys
ES EST A5.15: E ST /
Description
ES EST is a Steel cored electrode. ?t is used for repairing of various of cast iron products It is stable arc , easy slag removal and beautiful bead appearance Preheat at 200 - 300 ° C . The temperature to be applied varies in accordance with kind , shape and size of base metal. Gradual cooling is recommended after welding.
Typical Chemical Composition (%)
| S | Si | Mn | C | P |
|---|---|---|---|---|
| 0.01 | 0.5 | 0.35 | 1.68 | 0.016 |
Typical Mechanical Properties
| Yeild Strength | Tensile Strength | Elongation 5x D | Impact (ISO-V) |
|---|---|---|---|
| 380 N / mm² | 490 N / mm² | % 33 |
Applications
Sizes Available & Recomennded Currents
| Diam. (mm) | Length (mm) | Current (Amperes) | Arc Voltage | Wire Feed |
|---|---|---|---|---|
| 2.50 | 350 | 60 - 90 | ||
| 3.25 | 350 | 90 - 130 | ||
| 4.00 | 450 | 130 - 180 | ||
| 5.00 | 450 | 150 - 200 |
Welding Current
AC min. 50 V. / DC { + }
Welding Positions
 Flat |
* |  Overhead |
 Fillet |
Hardness (HB)
200 (HB)