Bleed Ring 1.carbon/alloy/stainelss steel bleed ring 2.we have exported bleed ring many times. 3.All sizes are available. Features: Special Design.1) Material: ASTM A105 ASTM A350 LF2ASTM A516 Gr60, Gr65, Gr70, ASTM A182 F304, F304L, F316, F316LASTM A182 F51, F53ASTM A182 F11, F22NACE MR0175/ISO 15156, NACE MR 0103 compliance Bleed Ring