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Lincoln Electric's Stainless Consumables Family
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Diameters / Packaging

Diameters
 33 lb (15 kg) Steel Spool
0.035 in (0.9 mm) ED035071
0.045 in (1.1 mm) ED035072
1/16 in (1.6 mm) ED035074

Blue Max® MIG 309L

MIG (GMAW)

AWS:
AWS ER309L

BLUE MAX® MIG 309L is designed for joining dissimilar metals, most often mild steel to stainless steel.

Diameter

Select Diameter

  • 0.035 in (0.9 mm)
  • 0.045 in (1.1 mm)
  • 1/16 in (1.6 mm)

Package

Select Package

  • 33 lb (15 kg) Steel Spool
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DETAILS

BLUE MAX® MIG 309L ideal for joining stainless steels to themselves or to carbon or low alloy steels, and can be used at temperatures of up to 700°F (371°C). Reduced carbon levels (0.03% max) offer increased resistance to inter-granular corrosion

Features

  • Reduced carbon levels (0.03% max) offer increased resistance to inter-granular corrosion
  • Excellent corrosion resistance
  • Q2 Lot® - Certificate showing actual wire composition and calculated ferrite number (FN) available online

Typical Applications

  • Ideal for joining stainless steels to themselves or to carbon or low alloy steels, and can be used at temperatures of up to 700°F (371°C)

Welding Positions

  • All

Shielding Gas

  • Short Circuiting Transfer: 90% Helium / 7.5% Argon / 2.5% CO2, Axial Spray Transfer: 98% Argon/ 2% Oxygen

Disclaimers

Warning -

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

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 ER309, ER309L
ABS AWS A5.9 ER309, ER309L
CWB CSA W48 ER309, ER309L
MIL MIL-E-19933E AMD1 MIL-309

WIRE COMPOSITION

Classification %C %Cr %Cu %Mn %Mo %N %Nb %Ni %P %S %Si Ferrite Number (Delong ©) Ferrite Number (WRC-1992 ©)
ER309 Requirement 0.12 max. 23.0 - 25.0 0.75 max. 1.0 - 2.5 0.75 max. 12.0 - 14.0 0.03 max. 0.03 max. 0.30 - 0.65
ER309L Requirement 0.03 max. 23.0 - 25.0 0.75 max. 1.0 - 2.5 0.75 max. 12.0 - 14.0 0.03 max. 0.03 max. 0.30 - 0.65
Typical Result 0.01-0.02 23.5 0.05-0.08 1.6 0.03-0.04 0.05-0.06 0.00 max. 13.4-13.6 0.02 0.01 0.35-0.42 13 11

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
1/16 in (1.6 mm) 98% Ar / 2% O2 29-33 200-280