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EX309L-030T - Exocor Executive ER309L Stainless TIG Rod - 0.030 Inch

Packaging: 10lb tube
$44.30/lb $276.90/10lb tube only $27.69/lbSave 37%

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OVERVIEW

The Problem-Solver for Mixed Metal Welding

Every welder knows the headache of trying to join stainless steel to mild steel without cracking. The Exocor Executive ER309L TIG Rod is your go-to solution for these tricky dissimilar joints. Whether you are patching a bracket, fabricating a custom exhaust, or performing maintenance repairs where the base metal composition might be mixed, this rod lays down a smooth, strong bead that holds up.

What sets this specific rod apart is its ultra-fine 0.030-inch diameter. Most TIG rods come in 1/16" or larger, which can be too much filler for delicate jobs. This 0.030" size gives you incredible control over your puddle, allowing you to weld thin sheet metal, intricate corners, or fine tubing without blowing through or piling up too much metal. It's like having a fine-point pen for your TIG torch.

Exocor is known for quality, and these rods are no exception. They feed smoothly through your fingers and melt cleanly, giving you that 'stack of dimes' look with less effort. The low carbon formula means your welds stay rust-resistant longer, even if the part gets hot. Keep a tube of these in your shop, and you'll be ready for any stainless-to-steel challenge that comes through the door.

Additional Information
Brand:Exocor
AWS Spec:ER309L
Diameter:0.030 in
Grade:309
Weld Process:TIG (GTAW)
Material Composition:Stainless Steel
AWS Classification:ER309L
Wire Diameter:0.030"
Shielding Gas Requirement:100% Argon
Polarity:DCEN
Applications:Dissimilar Metals, Cladding, Buffer Layers
Packaging Description:10lb tube
Packaging:10 lb Tube

INCLUDED

  • Exocor Executive ER309L TIG Welding Rod (0.030" Diameter)
  • Protective Storage Tube

APPLICATIONS

  • Joining stainless steel (304, 316) to mild or carbon steel
  • Cladding carbon steel with stainless steel layers
  • Welding thin-gauge sheet metal and tubing
  • Root passes in pipe welding
  • Cryogenic components
  • General maintenance and repair of dissimilar metal parts

FAQ

ER309L is primarily used for welding dissimilar metals, such as joining stainless steel to carbon steel, and for applying the first layer of stainless cladding on carbon steel.

The 0.030" diameter is very fine, making it ideal for welding extremely thin materials, intricate parts, or when precise control over heat input and filler deposition is required.

For TIG welding with ER309L, 100% Argon is the standard shielding gas to ensure a stable arc and prevent oxidation.

While it is physically possible, it is not recommended or cost-effective. You should use mild steel filler (like ER70S-6) for mild steel. ER309L is specifically for stainless-to-stainless or stainless-to-mild applications.

The 'L' stands for 'Low Carbon'. This reduces the risk of intergranular corrosion caused by carbide precipitation, which is important for maintaining the corrosion resistance of the weld.

Stainless steel TIG welding is typically performed using Direct Current Electrode Negative (DCEN).

ER309L is good for heat resistance, but for continuous high-temperature service, other alloys might be specified depending on the exact temperature and environment. Always consult the engineering specification.

Yes, absolutely. Stainless steel welding requires the base metal to be free of oil, grease, paint, and rust. Cleanliness is key to a defect-free TIG weld.
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