This standard specifies the evaluation method for macrostructure defects in the full cross-section of rolled steel integral wheels for railway use.
1. Scope
This standard applies to the evaluation of macrostructure defects in rolled steel integral wheels used in railway applications.
2. Reference Standards
This standard references relevant Chinese railway industry standards for wheel manufacturing and quality inspection.
3. Macrostructure Defect Types
The standard defines various types of macrostructure defects that may occur in railway wheels, including segregation, porosity, and inclusions.
4. Evaluation Method
The evaluation is performed on the full cross-section of the wheel using low-magnification examination techniques.
Original Standard PDF (Chinese Version)
Download the original TBT 3031-2002 standard document in Chinese:
Download TBT_3031-2002_Railway_Wheel_Macrostructure_Defects.pdf
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