T/ZS 0336-2022 The technique specification for on-site testing of tensile strength of building steel materials using the Ritchie hardness method
T/ZS 0336-2022 The technique specification for on-site testing of tensile strength of building steel materials using the Ritchie hardness method
Basic Information
Scope
Main technical content: Preface 1 Scope 2 Normative reference documents 3 Terms and definitions 4 Testing equipment 4.1 General requirements 4.2 Verification 4.3 Maintenance 5 Testing techniques 5.1 General requirements 5.2 Leeb hardness value measurement 5.3 Hardness calculation 6 Tensile strength conversion values and presumed values 6.1 Tensile strength conversion values 6.2 Data analysis and presumed tensile strength values 7 Testing report Appendix A (informative) Leeb hardness method field test steel tensile strength record form Appendix B (informative) Steel Leeb hardness and tensile strength conversion table Appendix C (normative) Hardness correction values for non-horizontal detection Appendix D (normative) Judgment and processing of abnormal data Appendix E (informative) Grubbs test critical value table Appendix F (informative) Sample size and presumed interval coefficient for testing batches