Socket-Weld Fittings Design:As Per ASTM B16.11Materials:Carbon Steel: ASTM A105 , LF2Alloy Steel: A182 F5 / F9 / F11 / F12 / F22 / F51 / F91Stainless Steel: A182 F304/304L/304H, F316/316L/316H, F321, 316Ti 90 Deg Elbow SPECIFICATION:Size: 1/4″ to 4″Type : Equal / UnequalPressure Class: 3000#, 6000#, 9000#End Connection: Socket Weld 45 Deg Elbow SPECIFICATION:Size: 1/4″ to 4″Pressure Class: 3000#, 6000#, 9000#End Connection: Socket Weld Tee SPECIFICATION:Size: 1/4″ to 4″Type : Equal / UnequalPressure Class: 3000#, 6000#, 9000#End Connection: Socket Weld Cross SPECIFICATION:Size: 1/4″ to 4″Type : Equal / UnequalPressure Class: 3000#, 6000#, 9000#End Connection: Socket Weld Coupling SPECIFICATION:Size: 1/4″ to 4″Type : Half, Full, ReducingPressure Class: 3000#, 6000#, 9000#End Type: Socket Weld Unions SPECIFICATION:Size: 1/4″ to 4″Type : Equal / UnequalStandard: BS – 3799Pressure Class: 3000#, 6000#, 9000#End Connection: Socket Weld Cap SPECIFICATION:Size: 1/4″ to 4″Pressure Class: 3000#, 6000#, 9000#End Connection: Socket Weld