317 stainless steel
  Name: austenitic stainless steel
  Standard: AISI, ASTM
  Model: 317
  UNS Number: S31700
  ● 317 Steel Properties and Applications:
  317 (18Cr-12Ni-3.5Mo) stainless steel, pitting corrosion resistance better than 316 steel. 317 stainless steel for printing equipment and materials.
  ● 317 steel chemical composition ①:
  Carbon C: ≤ 0.08
  Manganese Mn: ≤ 2.00
  Si Si: ≤ 1.00
  Chromium Cr: 18.0 ~ 20.0
  Ni-Ni ②: 11.0 ~ 15.0
  Phosphorus P: ≤ 0.045
  Sulfur S: ≤ 0.03
  Mo Mo: 3.0 ~ 4.0
  N N: ≤ 0.10
  Note: ① single value unless otherwise stated herein, are the highest value; ② pipe technology for some time, some types of austenitic stainless steel containing nickel must be slightly higher than the values ​​shown in the table; ③ free; ④ the highest amount of Ta containing 0.10%; ⑤ the highest content of 0.75%; ⑥ the highest content of 0.70%