ASTM A938Full Name ASTM A938 – Standard Test Method for Torsion Testing of WireScope This test method describes the torsion (twist) testing of metallic wire.Keywords coaxial clamping; fracture; revolution counter; test length; torsion; torsion testing; twisting rates; wire; wire axis; wire ductilityResourcesASTM International Website: ASTM A938 Need more info?