STANDARD SPECIFICATION FOR GRAY IRON CASTINGS FOR VALVES, FLANGES, AND PIPE FITTINGS (R 1991)
|Publication Date:||31 August 1984|
|ICS Code (Flanges, couplings and joints):||23.040.60|
|ICS Code (Metal fittings):||23.040.40|
This specification covers three classes of gray iron for castings intended for use as valve pressure retaining parts, pipe fittings, and flanges, manufactured in advance and offered for sale from stock by the manufacturer, jobber, or dealer. Castings are classified on the basis of tensile strength in separately cast test bars as indicated in Tables 1 and 2.
The values states in inch-pound units are to be regarded as the standard.