Threaded Pipe Fittings Design:As Per ASTM B16.11Material Standard:Carbon Steel: ASTM A105, LTCSAlloy Steel: A182 F5 / F9 / F11 / F12 / F22 / F51 / F91Stainless Steel: A182 F304/304L/304H, F316/316L/316H, F321, 316Ti 90 Deg Elbow SPECIFICATION:Size: 1/2″ to 4″Pressure Class: 2000#, 3000#, 6000#End Type : Threaded(BSPP / BSPT / NPT/ API LP) 45 Deg Elbow SPECIFICATION:Size: 1/2″ to 4″Pressure Class: 2000#, 3000#, 6000#End Type : Threaded(BSPP / BSPT / NPT/ API LP) Street Elbow SPECIFICATION:Size: 1/2″ to 4″Type : Male x FemalePressure Class: 2000#, 3000#, 6000#End Type : Threaded(BSPP / BSPT / NPT/ API LP) Tee SPECIFICATION:Size: 1/2″ to 4″Pressure Class: 2000#, 3000#, 6000#End Type : Threaded (BSPP / BSPT / NPT/ API LP) Cross SPECIFICATION:Size: 1/2″ to 4″Pressure Class: 2000#, 3000#, 6000#End Type : Threaded(BSPP / BSPT / NPT/ API LP) Coupling SPECIFICATION:Size: 1/2″ to 4″Pressure Class: 2000#, 3000#, 6000#End Type : Threaded(BSPP / BSPT / NPT/ API LP) Unions SPECIFICATION:Size: 1/2″ to 4″Standard: BS – 3799Pressure Class: 2000#, 3000#, 6000#End Type : Threaded(BSPP / BSPT / NPT/ API LP) Cap SPECIFICATION:Size: 1/2″ to 4″Pressure Class: 2000#, 3000#, 6000#End Type : Threaded(BSPP / BSPT / NPT/ API LP) Round Head Plug SPECIFICATION:Size: 1/2″ to 4″Pressure Class: 2000#, 3000#, 6000#End Type : Threaded(BSPP / BSPT / NPT/ API LP) Squre Plug SPECIFICATION:Size: 1/2″ to 4″Pressure Class: 2000#, 3000#, 6000#End Type : Threaded(BSPP / BSPT / NPT/ API LP) Hex Plug SPECIFICATION:Size: 1/2″ to 4″Pressure Class: 2000#, 3000#, 6000#End Type : Threaded(BSPP / BSPT / NPT/ API LP) Hex Bushing SPECIFICATION:Size: 1/2″ to 4″End Type : Threaded(BSPP / BSPT / NPT/ API LP) Pipe Nipple SPECIFICATION:Size: 1/2″ to 4″Pressure Class: 2000#, 3000#, 6000#End Type : Threaded(BSPP / BSPT / NPT/ API LP) Hex Nipple SPECIFICATION:Size: 1/8″ to 2″End Type : Threaded(BSPP / BSPT / NPT/ API LP)