GOST 31X19H9MBБT
Chemical composition(mass fraction)(wt.%)
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | 0.28 | 0.35 | ||
Si | 0.80 | |||
Mn | 0.80 | 1.50 | ||
P | 0.035 | |||
S | 0.020 | |||
Cr | 18.00 | 20.00 | ||
Ni | 8.00 | 10.00 | ||
Mo | 1.00 | 1.50 | ||
W | 1.00 | 1.50 | ||
Ti | 0.20 | 0.50 | ||
Nb | 0.20 | 0.50 |