DETAILS
BLUE MAX® MIG 409Nb is ideal for automotive exhausts the addition of niobium improves corrosion resistance and promotes a ferritic micro-structure
Features
- A ferritic stainless steel
- The addition of niobium improves corrosion resistance and promotes a ferritic micro-structure
- For the best results, welding must be done in a low heat input procedure not recommended for multi-pass applications
- Q2 Lot® - Certificate showing actual chemistry available online
Typical Applications
- Automotive Exhaust
- Catalytic converters under typical applications
- Designed to weld type 409 and 409Ti base materials
Welding Positions
- All
Shielding Gas
- 98% Ar / 2% O₂
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 | ER409Nb |
WIRE COMPOSITION
| Classification | %C | %Cr | %Cu | %Mn | %Mo | %N | %Nb | %Ni | %P | %S | %Si |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ER409Nb Requirement | 0.08 max. | 10.5 - 13.5 | 0.75 max. | 0.8 max. | 0.50 max. | 10xC - 0.75 | 0.6 max. | 0.04 max. | 0.03 max. | 1.0 max. | |
| Typical Result | 0.03-0.04 | 11.4-11.7 | 0.02-0.06 | 0.6 | 0.04 max. | 0.02-0.04 | 0.45-0.53 | 0.3 | 0.02 | 0.003 max. | 0.6 |
TYPICAL OPERATING PROCEDURES
| Diameter | Shielding Gas |
Voltage
volts |
Approx. Current
amps |
|---|---|---|---|
| 0.035 in (0.9 mm) | 98% Ar / 2% O2 | 26-29 | 160-210 |
| 0.045 in (1.1 mm) | 98% Ar / 2% O2 | 28-32 | 180-250 |