Transcription of Specification for Welding Shielding Gases
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Specification for Welding Shielding Gases
ANSI/AWS American National StandardSpecification forWelding ShieldingGases550 LeJeune Road, Miami, Florida 33126 ANSI/AWS American National StandardApproved byAmerican National Standards InstituteDecember 8, 1997 Specification forWelding Shielding GasesPrepared byAWS Committee on Filler MetalsUnder the Direction ofAWS Technical Activities CommitteeApproved byAWS Board of DirectorsAbstractThis Specification for Welding Shielding Gases specifies minimum requirements for the composition and purity of themost popular single-component Shielding Gases . Classification designators for both single and multicomponent Gases areintroduced. Other topics include testing procedures, package marking, and general application Specification makes use of both Customary Units and the International System of Units (SI). Since these arenot equivalent, each system must be used independently of the Words Argon, carbon dioxide, helium, hydrogen, nitrogen, oxygen, Shielding Gases , Welding gasesviTable of ContentsPage iiiForeword.
Dec 08, 1997 · 6.2 For the purpose of determining conformance with this specification, values shall be rounded to the nearest unit in accordance with the r ounding-off method given in ASTM E29, Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications. Part B Tests, Procedures, and Requirements 7. Summary of Tests
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