PURPOSE
1 SCOPE
2 PRESSURE-TEMPERATURE RATING
3 SIZE
4 MARKING
5 MATERIALS
6 FACINGS AND GASKETS
7 WELDING END PREPARATION
8 THREAD OF SCREWED FLANGES
9 TESTS
ANNEX A - MSS SP-65 Pressure-Temperature Rating Development
Background
ANNEX B - Referenced Standards and Applicable Dates