ASTM International - ASTM F1311-90(1995)
Standard Specification for Large-Diameter Fabricated Carbon Steel Flanges
|Publication Date:||31 August 1990|
1.1 This specification provides design and construction criteria for large diameter flanges sizes 14 to 144 NPS, for use in high temperature (1000°F), low pressure service (25 psig), such as internal combustion engine exhaust and forced ventilation systems.
1.2 Values stated in inch-pound units are to be regarded as the standard.