1. Hardness HV410-450: The material under consideration possesses a hardness ranging between HV410 to HV450, indicating its ability to resist indentation and penetration under applied pressure.

2. Main-eye roughness Ra <1.6: The surface roughness of the main eye is maintained at a level below 1.6 Ra (roughness average), ensuring a smooth and consistent surface finish that meets specified standards.

3. Strength resistance 10.8-12.8 MPa: The material exhibits strength resistance within the range of 10.8 to 12.8 Megapascals (MPa), which signifies its capability to withstand applied forces or loads without undergoing deformation or failure.

4. Angle View 30 degrees around: The specified observation angle is set at 30 degrees, allowing for comprehensive examination and assessment of the object or component from various perspectives.

5. Resistance vulve ratio R=L/π semicircle diameter, recovered after release: The resistance vulve ratio, defined as the ratio of length (L) to the diameter of the semicircle (π), indicates the material's ability to recover its original shape after being subjected to deformation or stress.

6. Surface smoothness of steel heald wire: The steel heald wire is characterized by its smooth surface texture, which ensures minimal friction and facilitates efficient operation within weaving or textile machinery.

These specifications outline key characteristics and performance criteria for the material or component in question, providing a comprehensive understanding of its properties and capabilities.