C: ≤ 0.08
Manganese Mn: ≤ 1.00
Silicon Si: ≤ 0.75
Chromium Cr: 23.0 ~ 28.0
Nickel Ni: 2.0 ~ 5.0
Phosphorus P: ≤ 0.04
Sulfur content: ≤ 0.03
Mo: 1.0 ~ 2.0