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Arccaptain 2 Lbs ER70S-6 MIG Welding Wire Gas Solid Wire
Arccaptain

Arccaptain 2 Lbs ER70S-6 MIG Welding Wire Gas Solid Wire

$15.99$32.9952% off
You save $17.00 vs. Arccaptain's list price
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Price from Arccaptain's store on 04 Nov 2026. Prices change, so confirm at checkout.
  • Size: 2 LBS 0.023” ER70S-6, 2 LBS 0.030” ER70S-6, 2 LBS 0.035” ER70S-6, 2 LBS 0.045” ER70S-6
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About this product

Product details from Arccaptain:


Does wire welding er70s-6 require gas

Yes, wire welding with ER70S-6 typically requires a shielding gas. ER70S-6 is designed for use in gas metal arc welding (GMAW), commonly known as MIG (Metal Inert Gas) welding. In MIG welding, a continuous solid wire electrode (like ER70S-6) is fed through a welding gun, and a shielding gas is simultaneously released to protect the weld pool from atmospheric contamination.

The choice of shielding gas depends on the specific welding application and the desired weld characteristics. The two most common types of shielding gases used with ER70S-6 wire are:

  1. Argon-Carbon Dioxide (Ar-CO2) Mixtures: A blend of argon and carbon dioxide is a common choice for MIG welding with ER70S-6. The ratio of argon to CO2 can vary, and different ratios are suitable for different applications. For example, a higher percentage of CO2 (e.g., 75% CO2 and 25% argon) is often used for welding thicker materials and achieving deeper penetration, while a lower CO2 percentage (e.g., 90% argon and 10% CO2) can provide a smoother arc and better control for thinner materials.

  2. Pure Carbon Dioxide (CO2): Pure CO2 can also be used as a shielding gas with ER70S-6 wire. It is more commonly used in applications where deeper penetration is required, such as welding thicker steel sections. However, CO2 may produce more spatter compared to Ar-CO2 mixtures.

The shielding gas serves several important functions in the welding process, including:

Before using ER70S-6 wire with a specific shielding gas, it's essential to consult the manufacturer's recommendations and consider the requirements of your welding application. The proper selection of the shielding gas will contribute to the quality and integrity of the welds you produce.

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