Lincoln Electric's Stainless Consumables Family

Diameters / Packaging

Diameters
33 lb (15 kg) Steel Spool
0.035 in (0.9 mm) ED035137
0.045 in (1.1 mm) ED035138

Blue Max® 409Nb

MIG (GMAW)

AWS:
AWS ER409Nb

BLUE MAX® MIG 409Nb is a ferritic stainless steel designed to weld type 409 and 409Ti base materials

DETAILS

BLUE MAX® MIG 409Nb is ideal for automotive exhausts the addition of niobium improves corrosion resistance and promotes a ferritic micro-structure

Features

  • Q2 Lot® - Certified Material Test Report showing actual wire composition and Country of Origin of each lot is available online in the Certificate Center
  • Proprietary surface lubricant for steady feeding and arc stability leading to exceptional performance at high wire feed speeds
  • Ferritic stainless steel
  • The addition of niobium improves corrosion resistance and promotes a ferritic micro-structure

Typical Applications

  • Automotive Exhaust
  • Catalytic converters under typical applications
  • Maintenance and Repair

Welding Positions

  • All

Shielding Gas

  • 98% Ar / 2% O₂

Disclaimers

Warning -

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

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