ABRAFIL UP 25 9 4L
UP Super Duplex Wire
Description & applications
Low carbon filler metal used for “Super Duplex” welding steels (austenitic-ferritic).
Resistant to severe corrosive environments (inter crystalline attack, pitting corrosion, crevice, and stress corrosion)
Applications: Pumps, vessels, pumping systems attacked by chloride containing solutions (sea water)
Classification
| AWS A5.9 | EN ISO 14343-A | W. nr. |
|---|---|---|
| ER 2594 | 25 9 4 N L | 1.4501 |
Typical weld metal composition (%)
| C | Cr | Cu | Mn | Mo | N | Ni | P | S | Si | W |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.015 | 25.13 | 0.62 | 0.75 | 3.65 | 0.23 | 9.33 | 0.024 | 0.001 | 0.27 | 0.61 |
All weld metal mechanical properties
| ReL N/mm² | Rm N/mm² | A5 (%) |
|---|---|---|
| 550 | 620 | 18 |
Flux Type
ABF 8.7 Sp
| Chemical composition in weight percent, conventionaly expressed in oxides, excepted for fluor and alloying elements |
| Grain size : 14 - 60 N° ASTM |
| Basicity index : 2,0 (Boniszewski) |
| Apparent density : 1,0 Kg/dm3 |
| Potential water : < 0.2% |
Flux Density
F: 25
SiO2: 10
CaO+MgO: 35
Al2O3: 35
K2O+Na2O: 2