Classification: ER309LSi (AWS A5.9)
Solid welding wire · Lincoln Electric
Price on request
Prices for this catalogue are not published; every quotation is prepared for the requested quantity and delivery terms.
Key features
- The weld metal has a delta-ferrite content of ~12% resulting in a high resistance to hot cracking.
- The increased silicon content results in increased weld pool fluidity to give a smooth deposit appearance.
- Also used for the welding of clad steels where service temperatures are below 300°C.
Standards and classifications
| AWS A5.9 | ER309LSi |
|---|---|
| EN ISO 14343-A | G 23 12 L Si |
Chemical composition
(Weight %), typical, wire
| C | Mn | Si | Cr | Ni | Mo |
|---|---|---|---|---|---|
| 0.02 | 1.8 | 0.8 | 23.3 | 13.8 | 0.14 |
Mechanical properties
Typical, all weld metal
| Shielding gas | Condition | 0.2% Proof strength (MPa) | Tensile strength (MPa) | Elongation (%) | Impact ISO-V (J) | |
|---|---|---|---|---|---|---|
| +20°C | -20°C | |||||
| M12 | AW | 436 | 582 | 37 | 87 | 80 |
* AW = As welded
Shielding gas
| Designation (EN ISO 14175) | Type | Composition |
|---|---|---|
| M12 | Mixed gas | Ar+ 0.5-5% CO₂ |
| M13 | Mixed gas | Ar+ 0.5-3% O₂ |
Approvals
DNVTÜVDBCE
Versions and packaging
| Item number | Diameter (mm) | Net weight (kg) | Packaging |
|---|---|---|---|
| 581669 | 0.8 | 15.0 | |
| 581770 | 0.9 | 15.0 | |
| 595789 | 15.0 | SPOOL (BS300) 15.0 | |
| 595792 | 15.0 | SPOOL (S300) 15.0 | |
| 581708 | 250.0 | DRUM 250.0 | |
| 595796 | 15.0 | SPOOL (BS300) 15.0 | |
| 595794 | 15.0 | SPOOL (S300) 15.0 | |
| 581710 | 250.0 | DRUM 250.0 |
Availability of individual item numbers is confirmed with the quotation.
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