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Lincoln ER409NB 1/16" Stainless TIG Welding Rods - 10lb Tube

$37.64/lb $228.40/10lb per package only $22.84/lbSave 39%

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OVERVIEW

High-Performance Stainless TIG Rods for Exhaust Repair

When you are working on automotive exhaust systems or custom stainless fabrication, you need a filler metal that can take the heat. The Lincoln Electric ER409NB TIG Rod is your go-to solution for welding 409 stainless steel. Unlike standard stainless rods, this wire is stabilized with Niobium, which acts as a shield against corrosion and oxidation at high temperatures. This makes it the perfect choice for welding catalytic converters, mufflers, and manifolds that go through extreme heat cycles.

Lincoln Electric has designed this rod for welders who demand consistency. Each rod is stamped with ink-jet identification, so you never have to guess which alloy you are holding—even if you mix them up on your bench. The 1/16" diameter provides excellent control for thin-wall tubing often found in exhaust work, allowing for a smooth, clean bead with minimal spatter. For the best results, keep your heat input low and move fast; this rod is designed to lay down a perfect bead in a single pass.

Why Choose Lincoln ER409NB?

  • Corrosion Resistance: Niobium formula protects your welds from rust and heat damage.
  • Easy Identification: Printed labels on every rod prevent mix-ups.
  • Smooth Welding: Flows easily with 100% Argon for professional-looking results.
  • Perfect Fit: Ideal for 409 stainless, the standard for modern exhaust systems.

Packaged in a convenient 10lb tube, this product ensures you have plenty of material for big jobs or ongoing repairs. Whether you are a professional exhaust shop or a dedicated gearhead building a custom system, trust Lincoln Electric's ER409NB to deliver a weld that lasts as long as the car itself.

Additional Information
Brand:Lincoln Electric
Diameter:1.6mm (1/16")
AWS Spec:ER409NB
Grade:409
Packaging:10 lb Tube
Weld Process:TIG (GTAW)
Polarity:DCEN
Material Composition:Ferritic Stainless Steel
Wire Diameter:1/16" (1.6mm)
AWS Classification:ER409NB
Shielding Gas Requirement:100% Argon
Alloy Stabilizer:Niobium (Nb)
Welding Position:All Position
Packaging Description:10lb per package

INCLUDED

  • 10 lb Carton of 1/16" ER409NB Stainless Steel TIG Rods
  • Product Instruction Sheet

APPLICATIONS

  • Automotive Exhaust Systems
  • Catalytic Converters
  • Mufflers and Tailpipes
  • Exhaust Manifolds
  • Ferritic Stainless Steel Tubing
  • High-Temperature Ducting

FAQ

ER409NB is primarily used for welding Type 409 ferritic stainless steels, commonly found in automotive exhaust systems, catalytic converters, and mufflers.

Niobium acts as a stabilizer that combines with carbon to prevent intergranular corrosion and promotes a ferritic microstructure, improving the longevity of the weld in high-temperature environments.

100% Argon is the recommended shielding gas for TIG welding with ER409NB rods.

It is generally not recommended for multi-pass applications. ER409NB is optimized for single-pass welds to avoid excessive grain growth caused by high heat input.

DCEN (Direct Current Electrode Negative) is the standard polarity for TIG welding stainless steel with this rod.

Lincoln Electric prints the identification (alloy type) directly on the entire length of the rod using ink-jet technology.

No, ER409NB is a ferritic stainless rod. For 304 stainless steel, you should typically use ER308L.

This specific product (ED035242) has a diameter of 1/16 inch (approximately 1.6mm).

CATALOGUE & SPEC SHEETS

Spec Sheet
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