1 Scope2 Normative references3 Definitions4 Principle5 General6 Test pieces7 Apparatus8 Number of test pieces9 Preparation of test pieces10 Conditioning of samples and test pieces11 Marking of dumb-bell test pieces12 Measurement of test pieces13 Procedure14 Temperature of test15 Calculation of results16 Expression of results17 Test reportAnnex A (normative) - Preparation of type B ring test pieces