api 5000API 6A TEMPERATURE CLASS L: SERVICE -50ºF TO 180ºF (-46ºC TO 82ºC) 2,000 3,000 5,000 API 60K Alloy Steel Corrosive (CO2) & Sour (H 2S) NACE4 MR01-75 T26F F 2,000API 5000 Flange Dimensions Industries and Applications Widely used in the industries. Pumps, Valves, and vessels in manufacturing and food processing. Pipe