American Society for Testing and Materials (ASTM). Current edition approved Sept. 10, 2002. Published November 2002. Originally published as A 707 –
74. Last previous edition A 707/A 707M – 00a. 5 p. This specification covers forged carbon and alloy steel flanges intended primarily for petroleum and gas pipelines in areas subject to low ambient temperatures. Included are flanges to specified dimensions or to dimensional standards such as those MSS, ASME, and API specifications that are referenced in Section 2.