Half couplingMarch 4, 2016CrossMarch 4, 2016 Show all FORMS Elbows: 95°/45° Tee: Equal / Reducing Unions, Couplings, Plugs, Bush, Swage, Nipples SIZE:½" to 4" STANDARDS: ASTM A105 N, A350 LF2 - ASME B16.11 ASTM A182 F304/304L, 316/316L - ASME B16.11 NACE MR - 01-75