Description
AWS: SFA 5.4 E310L-16(Mod)
EN ISO CODE:
SECHERON 310 L is a special electrode depositing 25Cr-20Ni with low carbon & low impurity content in weld metal. A soft & smooth arc which is easy to strike & re-strike. Better welder appeal with easy slag detachability. Provide weld metal of X-ray Quality. The weld metal has got excellent corrosion resistance to corrosion in nitric acid, inter granular corrosion & pitting. Due to its excellent corrosion resistance used for heat exchanger tube & pipe in process that treat in nitric acid, acrylic fibers, ammonium nitrate & processing of nuclear reactor fuel.
Approvals
CHEMICAL COMPOSITION OF ALL WELD METAL:
| Element | C | Mn | Si | S | P | Cr | Ni | Mo | Cu |
|---|---|---|---|---|---|---|---|---|---|
| Range | 0.04 Max |
0.50- 2.50 |
0.75 Max |
0.015 Max |
0.035 Max |
25.0- 28.0 |
20.0- 22.5 |
0.25 Max |
0.25 Max |
MECHANICAL PROPERTIES OF TYPICAL WELD METAL:
|
UTS (MPa) |
YS (MPa) |
%EL (L=4d) |
|---|---|---|
| 610 | 250 | 35 |
CURRENT AND PACKING DATA: DC (+)
| Size (mm) Dia x Length | 5x350 | 4x350 | 3.15x350 | 2.5x350 |
|---|---|---|---|---|
| Current Range (Amps) | 150-180 | 110-140 | 80-100 | 60-80 |
| Quantity (Kgs/Carton) | 2 | 2 | 2 | 2 |
| Box/Carton | 5 | 5 | 5 | 5 |
PRECAUTIONS:
1. Re-dry the electrodes at 250-300°C for one hour.
2. Use short arc, low current and stringer beads.
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