Specification of Hastelloy Olets Standard ASTM B366 / ASME SB366 Dimensions ASME / ANSI B16.11, MSS-SP-97, MSS-SP-79, JIS B2316, BS 3799 etc Size 1/8â?³-4â?³ (DN6-DN100) Connect Type Welded, threaded, BW, SW Process Free forging, plate cutting forged Diameter DN15 ~ DN40 Class 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS Types Weldolet, Sockolet, Threadolet, Nipolet, Elbolet, Threaded Elbolet, Socket Weld Elbolet, Sweepolet, Insert weldolet, Brazolet, Flexolet buttweld, Flexolet Socket Weld, Flexolet Threaded, Nipo Flange