Structural alloy steel - chromium-molybdenum-vanadium for nitriding 33H3MF PN-89/H-84030/03
| Steel grade | Standard |
Chemical composition (%) |
|||||||||
| C |
Mn |
Si |
P |
S |
Cu |
Cr |
Ni |
Mo |
other |
||
| 33H3MF | PN | 0,290,36 |
0,500,80 | 0,17 0,37 | max 0,035 | max 0,035 | max 0,30 |
2,402,80 | max0,30 |
0,35 0,45 | V 0,20-0,30 |
| 30H2MF | PN | 0,260,34 | 0,400,70 | 0,150,40 | max 0,035 | max 0,035 | - | 2,302,70 | - | 0,15 0,25 | V 0,10-0,20 |
| 30H3MF30KH3MF30Ch3Mf30Х3МФ | GOST | 0,270,34 | 0,300,60 | 0,170,37 | max 0,035 | max 0,035 | - | 2,302,70 | - | 0,20 0,30 | V 0,06-0,12 |
| 31 CrMoV 931CrMoV9
1.8519 |
DIN W.nr |
0,260,34 | 0,400,70 | max0,40 | max 0,025 | max 0,030 | - | 2,302,70 | - | 0,15 0,25 | V 0,10-0,20 |
| 30 CrMoV 930CrMoV9
1.7707 |
DIN W.nr |
0,260,34 | 0,400,70 | max0,40 | max 0,035 | max 0,035 | - | 2,302,70 | max0,60 | 0,15 0,25 | V 0,10-0,20 |
| 31 CrMoV 1031CrMoV10 | UNI | 0,290,34 | 0,400,70 | 0,15 0,40 | max 0,030 | max 0,035 | - | 2,302,80 | - | 0,30 0,40 | V 0,10-0,20 |
| C4734 | JUS | 0,260,34 | 0,400,70 | max0,40 | max 0,035 | max 0,030 | - | 2,302,70 | - | 0,15 0,25 | V 0,10-0,20 |
| 31 CrMo 1231CrMo12 | MSZ | 0,28 0,35 | 0,400,70 | max0,40 | max 0,030 | max 0,030 | - | 2,803,30 | max0,30 | 0,30 0,50 | - |
Steel is used, among the others, in the manufacture of internal combustion engines with a thickness of 80 mm,
which requires the highest strength.
33H3MF grade or equivalent / substitute is provided as round-rolled bars, forgings, round bars, square bars, flat bars,
plates, cubes.
