EPIC Aadhaar Seeding - How to Seeding the EPIC With Aadhaar - Duration: 4:52. SAMPATH K 6,600 views
In some instances, consider adding helium to the shielding gas mixture for its ability to provide a hotter, more penetrating arc on thicker sections. For the GMAW process, a mixture of 75 percent helium balanced with 25 percent argon is a good option.inally, consider purchasing low-dew-point shielding gases as protection against porosity. Follow all recommended welding procedures for shielding gas flow rates and purge cycles. As with any welding process on any material, following some basic guidelines is critical to obtaining the best results.
However, detailed information on shielding gases can be found in Lincoln Electricâs GMAW Welding Guide (booklet C4.200) on pages 12 â 15. It is available at no charge: Download GMAW Welding Guide. Table 1 summarizes common shielding gases used for these main arc welding processes by base material type. In the case of the MIG and metal core processes, it also identifies shielding gases depending on which mode of metal transfer is being used. Footnoted are common alternative gases. This table is not meant to be an exclusive list of shielding gases used for arc welding. Other gases (e.g. hydrogen) and many other gas mixes of different percentages and combination of gases are also used in the welding industry. Table 1 is simply meant to be a quick summary of the most common gases used for common types of base materials in the U.S, welding market.