Material Specifications
Material Standard:
GB/T 3280-2015 Cold-rolled Stainless Steel
GB/T 3280-2015 standard for cold-rolled stainless steel sheets and strips
[1]
Available Grades:
06Cr19Ni10, 12Cr18Ni9, 12Cr13, 20Cr13
GB/T 3280-2015 standard specifies these grades for shield manufacturing
[1]
Surface Quality:
Free from cracks, rust, scratches, and burrs
Technical requirement 6.2.1 for shield surface quality
[2]
Surface Treatment:
Consistent appearance across batch production
Technical requirement 6.2.2 for surface treatment consistency
[2]
Alternative Materials:
Materials with equivalent or superior performance may be used
Technical specification 5.2.3 allows alternative materials
[3]
Key Advantages
Corrosion Resistance:
Superior resistance in harsh environments
Temperature Stability:
Excellent performance across wide temperature range
Durability:
Extended service life in challenging applications
Dimensional Properties
External Diameter:
Precision tolerance from 0.02mm to 0.10mm
Table 1: Tolerance specifications for VDFsp
[4]
Internal Diameter:
Precision tolerance from 0.02mm to 0.08mm
Table 1: Tolerance specifications for VdFsp
[4]
Curled Edge Diameter:
Tolerance from 0.05mm to 0.13mm
Table 1: Tolerance specifications for VDF1sp
[4]
Inner-Outer Radius Difference:
Precision controlled based on size
Table 2: VHCsp tolerance specifications
[5]
