Abstract：
Experimental studies and regression analysis of experimental data show that when using HL hardness tester (under conditions of C-type/D-type impact device) to measure the tensile strength of steels from existing steel structures, the relation curves between Leed hardness and tensile strength of steel can be achieved. It may provide a non-destructive (NDT) method for testing tensile strength of steel.
SHENG Qin-zhu,LI Cheng-cai,ZHANG Bao-ming et al. EXPERIMENTAL STUDY ON IN-SITU INSPECTION OF CONSTRUCTION STEEL
STRENGTH BY LEED HARDNESS[J]. Architecture Technology, 2015, 46(8): 749-750.
