Description
AWS: SFA E310Mo-16(Nearest)
EN ISO CODE: 3581 E 25 22 2 N L B
It is a basic coated type of electrode that produces low carbon, low silicon and high manganese stainless steel weld to ensure free from micro-fissures. It is a fully austenitic stainless steel that does not have intermetallic phases such as intergranular carbide precipitations. The nitrogen in the weld metal helps to stabilize and strengthen the austenitic phase. The weld metal provides improved corrosion-resistance in nitric acid environment and urea carbamate environments such as high-pressure strippers. Typical applications of the welds are in the production and processing of urea and sulphuric acid.
| Element | C | Mn | Si | P | S | Cr | Ni | Mo | N | Cu |
|---|---|---|---|---|---|---|---|---|---|---|
| Percent | 0.03 | 4.0 | 0.4 | 0.020 | 0.005 | 25.0 | 22.0 | 2.20 | 0.15 | 0.05 |
|
UTS (Mpa) |
Elongation (L= 5d) % |
CVN Impact Strength at minus 50oC(J) |
Hardness (BHN) |
|---|---|---|---|
|
580 |
32.0 | 50 | 143-160 |
Corrosion Rate as per ASTM A262 Practice-C: 22.0 mils/year (Max.)
|
Size (mm) Dia x Length |
5 x 350 | 4 x 350 | 3.15 x 350 | 2.5 x 350 |
|---|---|---|---|---|
|
Current Range (Amps) |
150-180 | 110-140 | 80-100 | 60-80 |
|
Quantity (kgs/Carton) |
2.5 | 2.5 | 2.5 | 2.5 |
- Re-dry the electrodes at 250-300°C for one hour.
- Use short arc, low current and stringer beads.
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