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ASTM A126 Standard specification for gray iron castings for valves, flanges, and pipe fittings

RegSenseEnforcement and Audits - OSHAEnforcement and Audits - OSHAAnhydrous AmmoniaSafety & HealthGeneral Industry SafetyConsensus StandardsASTM InternationalHazardous Materials Safety - OSHAIndustry Consensus StandardEnglishFocus AreaUSA

This standard covers three classes of gray iron for castings that are intended for use as valve pressure retaining parts, pipe fittings, and flanges. Among other things, it includes information on manufacture, tensile properties, and certification.

Current edition

  • ASTM A126-04(2014) Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings (Reapproved)

Incorporation by reference

The following editions have been incorporated by reference (IBR) into the Code of Federal Regulations (CFR):

IBR approved for Overview of requirements IBR approved edition
29 CFR 1910.111(b)(7)(vi)Employers must ensure fittings made specifically for ammonia service of malleable, nodular, or high strength gray iron meet American Society for Testing and Materials (ASTM) A47–68, ASTM 395–68, or ASTM A126–66 Class B or C.ASTM A126-66 Gray Iron Casting for Valves, Flanges and Pipe Fitting.

How to purchase

Standards are available for purchase from the American National Standards Institute (ANSI), see webstore.ansi.org, and from ASTM International, see www.astm.org.

['Enforcement and Audits - OSHA', 'Hazardous Materials Safety - OSHA']
['Enforcement and Audits - OSHA', 'Anhydrous Ammonia']
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