Steel 30KHN3M2FA
VSt6ps
VSt5sp
VSt3kp
VSt4kp
VSt6sp
VSt2kp
Vst4ps
St0
VSt2ps
VSt3ps
VSt5ps
VSt2sp
VSt3sp
18К
08ps
10ps
15К
18kp
20ps
35
55
05kp
08Ю
15kp
20 (20А)
22К
40
58 (55ПП)
08
10 (Art. 10)
12К
15pc
20К
25
45
60
08kp
10kp
15
16К
20kp
30
50
0cB
60С2
60C2XA
50XFA
60C2A
60C2CHFA
65C2VA
85
55XGR
65
70C3A
55С2
60Г
60C2H2A
65Г
70
75
SHKH15
SHKH15SG
SH4
А12
А20
A40G
А30
10XNDP
14G2AF
15G2AFDps
17GS
18G2AFps
09Г2
10G2BD
10ХСНД
12GS
15G2SFD
16GS
35GS
14CGS
15ХСНД
20ХГ2Ц
09G2S
10G2S1
14Г2
16G2AF
17G1S
25G2S
10Г2
14X2GMR
15KHF
18CR2N4MA
20Г
20X2H4A
20XGR
20KHN2M (20KHNM)
30Г
30CGS
30CRNI2MA
34CRNI3M
35Х
38CR2N3M
38XA
38CMA
3CR3M3F
40Х
40XFA
45CRN
50Г2
12XH2
15Х
20KHGSA
20XHN3A
25CGSA
30KHGSA
30CRNI2MOVA
33HS
35KHN1M2FA
38CR2NM
40Г
40CR2H2MA
40CRN
45Г
45CRNI2MOVA
50Х
12XH2A
18CGT
20CRNR
20CRNI4FA
25CGT
30Х
30CGSN2A
30KHN3A
34CRNI1M
35Г
36CR2NI2MOVA
38KH2NMF
38CRN
38CRNI3MA
40Г2
40CRNI2MA
45Г2
47GT
50XH
12CR2N4A
12XHN3A
15Г
18CR2N4VA
20Х
20XH
20XNR
30CGT
30ХН3М2ФА
35Г2
35CGSA
38CR2H2MA
38CRNI3MOVA
40HS
45Х
50Г
Description
Steel 30KHN3M2FA
Steel 30KHN3M2FA: brand of steels and alloys. Below is a systematized information on the purpose, chemical composition, types of supplies, substitutes, temperature of critical points, physical, mechanical, technological and casting properties for the grade — Steel 30HN3M2FA.
General information about steel 30XN3M2FA
| Application |
| Steam turbine disks. |
Chemical composition of steel 30XH3M2FA
| Chemical element | % |
| Vanadium (V) | 0.10−0.20 |
| Silicon (Si), no more | 0.37 |
| Manganese (Mn) | 0.20−0.50 |
| Copper (Cu), no more | 0.25 |
| Molybdenum (Mo) | 0.40−0.65 |
| Nickel (Ni) | 3.00−3.50 |
| Sulfur (S), no more | 0.022 |
| Carbon (C) | 0.26−0.32 |
| Phosphorus (P), no more | 0.025 |
| Chromium (Cr) | 1.20−1.70 |
Mechanical properties of steel 30XN3M2FA
Mechanical properties of forgings
| Section, mm | test t, ° C | σ 0.2, MPa | σ B, MPa | δ 5 ,% | ψ,% | KCU, J / m 2 | HB | |||||||
| Hardening 850−870 ° C. Vacation 580−650 ° C. | ||||||||||||||
| <500 | +20 | 750 | 900 | 12 | 35 | 50 | 277−321 | |||||||
| <500 | -40 | 750 | 900 | 12 | 35 | thirty | 277−321 | |||||||
Technological properties of steel 30XN3M2FA
| Forging temperature |
| Beginning 1200, end 900. |
| Weldability |
| difficult to weld |
| Tendency to release ability |
| not inclined |
| Flock sensitivity |
| very sensitive |
Hardenability of steel 30XN3M2FA
Water quenching
| Distance from the end, mm / HRC e | |||||||||||
| 200 | |||||||||||
| 51.5 | |||||||||||
| Heat treatment | Crete. hardness, HRCэ | Dist. from the cooled end |
| Water quenching | 51.5 | 200 |
