DETAILS
MUREX® 309LSI similar in composition to 309L with higher silicon content to increase puddle fluidity and improve the bead appearance.
Features
- Similar in composition to 309L with higher silicon content to increase puddle fluidity and improve the bead appearance
- Excellent contour of the weld minimizes the need for grinding
- Q2 Lot® - Certificate showing actual wire composition and calculated ferrite number (FN) available online
Typical Applications
- Designed for joining stainless steel to mild or low alloy steel
Welding Positions
- All
Shielding Gas
- 90% He/ 7.5% Ar/ 2.5% CO₂ or 98% Argon/ 2% Oxygen
Disclaimers
Service Information
Documentation
BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page
See test result disclaimer
CONFORMANCE
| CONFORMANCES | SPECIFICATION | CLASSIFICATION |
|---|---|---|
| AWS | AWS A5.9 | ER309LSi, ER309Si |
| CWB | CSA W48 | ER309LSi |
WIRE COMPOSITION
| Classification | %C | %Cr | %Cu | %Mn | %Mo | %N | %Nb | %Ni | %P | %S | %Si | Ferrite Number (Delong ©) | Ferrite Number (WRC-1992 ©) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ER309LSi Requirement | 0.03 max. | 23.0 - 25.0 | 0.75 max. | 1.0 - 2.5 | 0.75 max. | Info. Only | Info. Only | 12.0 - 14.0 | 0.03 max. | 0.03 max. | 0.65 - 1.00 | Info. Only | Info. Only |
| ER309Si Requirement | 0.12 max. | 23.0 - 25.0 | 0.75 max. | 1.0 - 2.5 | 0.75 max. | Info. Only | Info. Only | 12.0 - 14.0 | 0.03 max. | 0.03 max. | 0.65 - 1.00 | Info. Only | Info. Only |
| Typical Result | 0.01-0.02 | 23.3-23.4 | 0.04-0.09 | 1.9-2.1 | 0.03-0.12 | 0.06-0.09 | 0.00 max. | 13.7 | 0.02 | 0.01 max. | 0.77-0.79 | 11-15 | 8-11 |