3-way valve ball 1.Meterial:304 A105 LF2 42CrMo 1CR13 316 F51 Monel 17-4PH 2.Compession Strengh: 150LB-900LB 3-way ballspecification:1"-48"Meterial: 304, A105, LF2, 42CrMo, 1Cr13, 316, F51, Monel, 17-4PHCompression Strengh: 150LB-900LBStandard: GB/T12220-1989 ASTM AISI ISO9001:2008Min. order: according to the specification as your need. 3-way valve ball