SHARP - 309L
- Characteristics
It is a heavy coated rutile type all position austenitic ferritic electrode with a ferrite content of approx 15%. Excellent oxidation and corrosion resistance in continuous service upto 1100°C. Gives little spatter, easy detachable slag with fine ripple beads of radiographic quality.
- AWS E 309L - 16
- IS E 23.12..2 LR26
Designation of standards
- Tensile Strength 560 - 660 N/mm2
- Elongation, (L=4d) 26 - 35 %
- Impact Value, CVN 55 J min at 27 +/- 20C
Mechanical properties
Product Description
Buffer Layer on 18/8 Cr-Ni Steels
High-Alloy and Unalloyed Steels
| C | 0.040 max |
| Mn | 0.5 to 2.5 |
| Si | 0.09 max |
| Cr | 22 to 25 |
| Ni | 12 to 14 |
| Cu | 0.5 max |
| S | 0.03 max |
| P | 0.04 max |
| Diameter (mm) | 2mm | 2.5mm | 3.15mm | 4mm | 5mm |
| Ampere | 30 - 50 | 50 - 75 | 80 -100 | 100 - 140 | 130 - 180 |