When steel bars are found to be brittle, poorly welded or significantly abnormal in mechanical properties, chemical composition inspection or other special inspections shall be carried out for the batch of steel bars.
When it is found that the rebar is brittle, the welding performance is poor or the mechanics performance is significantly abnormal, the chemical composition test or other special inspection of the rebar should be carried out.
When brittle fracture, poor welding performance or abnormal mechanical properties are found, chemical composition inspection or other special inspection shall be conducted for the batch of reinforcement.<br>