SUH309 heat-resistant steel
Standard: JIS (G 4311 Heat steel bar)
Grade: SUH309
● SUH309 features and applications:
  SUH309 heat-resistant steel, Japanese JIS standard series of heat-resistant austenitic steel. SUH309 corrosion resistance and oxidation resistance (1100 ℃ or less) and high temperature strength, therefore, suitable for heat treatment equipment, furnace parts and components. SUH309 equivalent to Chinese GB 2Cr23Ni13, U.S. ASTM / AISI 309/UNS S30900.
● SUH309 chemical composition:
  Carbon C: ≤ 0.20
  Si Si: ≤ 1.00
  Manganese Mn: ≤ 2.00
  Phosphorus P: ≤ 0.040
  Sulfur S: ≤ 0.030
  Chromium Cr: 22.00 ~ 24.00
  Mo Mo: -
  Ni-Ni: 12.00 ~ 15.00
  Copper Cu: -