10Х2МФБ (ЭИ531) 강재

10Х2МФБ
10X2MFB
10H2MFB
10Cr2MoVNb
ЭИ531
EI531
EhI531
-

ТУ В31 ТУ 14-1-3119-81, ТУ 14-1-789-73
ТУ В33 ТУ 14-1-3409-82

C S P Mn Cr Si Ni Fe Cu V Ti Mo Nb
ТУ 14-1-3119-81 0.08-0.12 ≤0.02 ≤0.02 0.4-0.7 2.1-2.6 0.4-0.7 ≤0.3 ≤0.25 0.2-0.35 ≤0.1 0.5-0.7 0.5-0.8
ТУ 14-1-789-73 0.07-0.12 ≤0.025 ≤0.035 0.5-0.7 1.9-2.4 0.35-0.5 - - 0.1-0.3 - 0.4-0.6 0.3-0.6