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E309LMoT1-1 Stainless Flux Core Wire .045 33lb Spool

$101.24/kg $951.75/15kg only $63.45/kgSave 37%

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OVERVIEW

High-Performance E309LMoT1-1 Flux-Core Wire

Elevate your welding performance with our .045" E309LMoT1-1 Stainless Flux-Core Wire. This gas-shielded wire is formulated to deliver exceptional weldability and superior bead appearance. The "T1-1" classification indicates its capability for all-position welding using CO2 gas, though it also performs exceptionally well with Argon/CO2 blends, providing a smooth, stable arc with easy slag removal. The addition of Molybdenum (Mo) to the 309L chemistry significantly increases pitting resistance, making it superior for applications involving corrosive environments.

Welders will appreciate the operator-friendly characteristics of this wire. It runs with a spray-like transfer that minimizes spatter and reduces post-weld cleanup time. The flux system supports the weld pool effectively, allowing for vertical-up and overhead welding with excellent control. This makes it a versatile choice for shop floors where positioning equipment isn't always available. The 15kg spool fits standard industrial wire feeders, ensuring you have the capacity needed for large jobs.

This wire is specifically recommended for welding 316-clad steels or for applying stainless steel liners to carbon steel shells. Its robust chemistry prevents cracking in the dilution zone, a common issue when welding dissimilar materials. Upgrade your stainless welding capabilities with a wire that combines the productivity of flux-core with the metallurgical precision of high-grade stainless steel.

Key Welding Benefits

  • Enhanced Corrosion Resistance: Molybdenum content protects against pitting.
  • All-Position Capability: Welds easily in flat, horizontal, vertical, and overhead positions.
  • Easy Slag Removal: Slag often lifts by itself or with light chipping.
  • Versatile Shielding Gas: Compatible with 100% CO2 or 75/25 Ar/CO2 mixes.
Additional Information
Diameter:0.045 in
Packaging:15 kg Spool
Grade:309
Weld Process:MIG (GMAW)
AWS Spec:E309LMoT1-1
Material Composition:Stainless Steel 309LMo
Wire Type:Gas-Shielded Flux-Cored
Shielding Gas Requirement:100% CO2, 75% Argon / 25% CO2
Polarity:DCEP
Welding Position:All Position
Alloy Content:Molybdenum Added
Packaging Description:15kg
Brand:ESAB

INCLUDED

  • 1 x 15kg Spool of E309LMoT1-1 .045" Stainless Flux-Core Wire
  • Moisture-resistant packaging

APPLICATIONS

  • Joining Type 316 stainless steel to mild steel or low-alloy steel
  • First layer cladding/overlay on carbon steel
  • Petrochemical processing equipment repair
  • Power generation facility maintenance
  • Pulp and paper mill machinery fabrication
  • Chemical tank and vessel manufacturing
  • General maintenance and repair of dissimilar metal structures

FAQ

It is primarily used for joining stainless steels (like 316) to carbon or low-alloy steels, and for applying corrosion-resistant overlays to carbon steel.

This wire is designed to run on either 100% CO2 or a mixture of 75% Argon and 25% CO2.

Yes, like most gas-shielded flux-cored wires, it requires DCEP (Direct Current Electrode Positive).

The 'Mo' stands for Molybdenum. 309LMo contains added Molybdenum which provides better pitting corrosion resistance, especially useful when welding 316 stainless to mild steel.

Yes, the T1 classification indicates this is an all-position wire, suitable for flat, horizontal, vertical, and overhead welding.

This wire has a diameter of 0.045 inches (approx. 1.2mm).

This is a flux-cored wire (FCAW-G), meaning it is tubular with flux inside and requires an external shielding gas.

It should be stored in a clean, dry environment with low humidity to prevent moisture pickup in the flux, which can cause weld defects.
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