Double Casing Expansion Anchor                                                                                                     
 Goshen's anchor are made of 304/316 stainless steel, which has a bright color, less corrosion and a lot of size.
 
  Material                                                                                                                                                                           
 
     | 304 Chemical Composition(%) |  
  | Grade |  C≤ |  Mn≤ |  Si≤ |  S≤ |  P≤ |  Cr |  Ni |  N≤ |  
  
  |  0.08 |  2 |  0.75 |  0.03 |  0.045 |  18.0-20.0 |  8.0-10.5 |  0.1 |  
  
           | 304 Mechanical property |  
  | σb≥ |  σ0.2≥ |  δ5 (%)≥ |  Hardness(HB)(kgf/mm2)] |  
  | 520(Mpa) |  205(Mpa) |  40% |  ≤187 HRB≤90 HV ≤200HB |  
  
             | 316 Chemical Composition(%) |  
  | Grade |  C≤ |  Mn≤ |  Si≤ |  S≤ |  P≤ |  Cr |  Ni |  Cu |  MO |  N |  
  
  |  0.017 |  0.98 |  0.25 |  0.0016 |  0.0414 |  16.23 |  10.08 |  0.32 |  2.06 |  0.037 |  
  
              | 316 Mechanical property |  
  | σb≥ |  σ0.2≥ |  δ5 (%)≥ |  Hardness(HB)(kgf/mm2)] |  
  | 520(Mpa) |  205(Mpa) |  40% |  ≤187 HRB≤90 HV ≤200 |