B2.1-23-028:2025 - STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS METAL ARC WELDING (SPRAY TRANSFER MODE) OF ALUMINUM (M-23/P-23), 1/8 INCH [3 MM] THROUGH 1-1/2 INCH [38 MM] THICK, ER4043 OR ER4943, IN THE AS-WELDED CONDITION, PRIMARILY PLATE AND STRUCTURAL APPLICATIONS
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This standard contains the essential welding variables for aluminum in the thickness range of 1/8 inch [3 mm] through
1-1/2 inch [38 mm], using semiautomatic gas metal arc welding (spray transfer mode). It cites the base metals and operating
conditions necessary to make the weldment, the filler metal specifications, and the allowable joint designs for fillet
and groove welds. This SWPS was developed primarily for plate and structural applications.
