Standards ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings Size 1/2" NB TO 48" NB Designation A 182 / A 240, SA 182 / SA 240 Class 150#, 300#, 400#, 600#, 900#, 1500# & 2500#. Grade ASTM A182 F304, 304L, 304H, 316, 316Ti, 316H, 316L, 316LN, 309S, 309H, 310S, 310H,317, 317L, 321, 321H, 347, 347H, 201, 202, 904L ETC.
