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Lincoln Electric's Stainless Consumables Family
The image shown is for representation purposes only and may not reflect the actual product.

Diameters / Packaging

Diameters
 25 lb (11.3 kg) Plastic Spool
0.045 in (1.1 mm) ED036661

Blue Max® 420

MIG (GMAW)

CLASSIFICATIONS:
AWS A5.9 : ER420

BLUE MAX® MIG 420 offers higher hardness levels than Blue Max 410, due to higher carbon and chromium content

Diameter

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  • 0.045 in (1.1 mm)

Package

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  • 25 lb (11.3 kg) Plastic Spool

DETAILS

BLUE MAX® MIG 420 is designed intended to weld stainless steels similar in chemical composition

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
  • Higher hardness levels than Blue Max 410, due to higher carbon and chromium content
  • Intended to weld stainless steels similar in chemical composition

Typical Applications

  • Hydraulic Equipment Components
  • Impellers
  • Pump Shafts

Welding Positions

  • All

Shielding Gas

  • 98% Ar / 2% O₂

Service Information

BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page

CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.9 ER420

WIRE COMPOSITION

Classification %C %Cr %Cu %Mn %Mo %N %Nb %Ni %P %S %Si
ER420 Requirement 0.25 - 0.40 12.0 - 14.0 0.75 max. 0.6 max. 0.75 max. 0.6 max. 0.03 max. 0.03 max. 0.5 max.
Typical Result 0.29-0.33 12.7-13.8 0.03-0.12 0.4-0.5 0.02-0.04 0.03-0.05 0.01 max. 0.1-0.2 0.02 0.02 max. 0.3-0.4

TYPICAL OPERATING PROCEDURES

Diameter Shielding Gas Polarity Voltage
volts 		Approx. Current
amps
1/16 in (1.6 mm) 98% Ar / 2% O2 DC+ 29-33 200-280