But I don't know if I am out of compliance. If I am doing GMAW spray transfer, and my active gas at the mixer is high or low by 1% it has my attention. Percentage of gases shall conform to the requirements of the WPS." Also Table 3.8 (15) 15) A change in the nominal composition of shielding gas I don't have a copy of A5.32 but am wondering what exactly defines "nominal" The term "nominal" does not occur in A3.0 :( For example. When mixed at the welding site, suitable meters shall be used for proportioning the gases. When requested by the Engineer, the Contractor or fabricator shall furnish the gas manufacturer’s certification that the gas or gas mixture conforms to the dew point requirements of AWS A5.32. A gas or gas mixture used for shielding shall conform to the requirements of AWS A5.32, Specification for Welding Shielding Gases. This excerpt is from D1.1 2010 "5.3.1.3 Shielding Gas. Where on-site gas mixing occurs I have a question about compliance.
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