FCW S 309L
Description & applications
• Rutile flux cored stainless steel wire for gas shielded metal arc welding
• 24% chromium - 13% nickel - low carbon deposit
• Attractive bead appearance, automatic slag release, very good penetration and high productivity
• Excellent X-ray soundness
• Maximum performances in the horizontal and downhand positions
• Welded with classical economical Ar-CO2 mixtures or CO2
APPLICATIONS
• Welding stainless steels of similar composition or ferritic stainless steels.
• Joining stainless steels to mild and low-alloyed steels.
• Rebuilding and buffering before cladding or hardfacing.
• Maintenance on « hard-to-weld steels ».
Examples
Dissimilar welds between stainless steels type 304, 304L, 316, 316L, 318, 316Ti, 321, 410 or ferritic stainless steels type 1.4713, 1.4724, 1.4742, 3Cr12, to non or low alloyed CMn steels, for service temperatures up to 400°C.
ISO/TR 15608:
Groups 1, 2, 3 and 4 to group 7, 8 and 10.
Classification
| AWS A 5.22 | EN ISO 17633-A | ASME IX Qualification |
|---|---|---|
| E309LT0-4 - E309LT0-1 | T 23 12 L R M 3 - T 23 12 L R C 3 | QW432 F-N° 6 / QW442 A-N° 8 |
Typical weld metal composition (%)
| C | Mn | Si | Cr | Ni |
|---|---|---|---|---|
| 0.03 | 1.4 | 0.7 | 23.5 | 13.0 |
All weld metal mechanical properties
| Rm (MPa) | Rp0.2 (MPa) | A5 (%) | KCV |
|---|---|---|---|
| 580 | 460 | 35 | -60°C : 35 J |
Shielding gas
| Argon+5-50% Co2 (-); 100% Co2 (C1); Argon+ 5-25% CO2 +10-30% He (M211) |
Operating conditions
| Diameter [mm] | Current type | Intensity [A] | Voltage [V] | Stick-out [mm] | Gas flow |
|---|---|---|---|---|---|
| 0.9 | DC (+) | 80-250 | 18-32 | 12-20 | 10 - 20 l/min |
| 1.2 | DC (+) | 100-270 | 23-35 | 12-25 | 10 - 20 l/min |
| 1.6 | DC (+) | 150-400 | 23-37 | 12-25 | 10 - 20 l/min |
Welding positions
EN ISO 6947: PA, PB.
ASME IX: 1G, 1F, 2F.
Packings & Diameters
| Diameters [mm] | 0.9 - 1.2 | 1.2 - 1.6 |
|---|---|---|
| Packing(s) | Spool S200 | Spool BS300 |
| Weight [Kg] | 5 | 15 |
| Description | - | - |