Steel 12Г2СМФ
03CrNiSteel
05G1B steel
06G2AF steel
06G2MFB steel
06G2FR steel
06CGSY steel
Steel 07GBU
Steel 07GFB (07GFB-U)
08G1NFB steel
Steel 08G2MF (08G2MFA)
08G2S steel
08G2SFB steel
Steel 08G2T (08G2T-U)
08G2FBT steel
08GBU steel
Steel 08GBUTR
Steel 09G2
Steel 09G2D
Steel 09G2S (09G2SA)
Steel 09G2SD
Steel 09G2FB (09G2BT)
09GBU steel
09GNFB steel
Steel 09GSNBTs
09CrNi2Ab steel
10G2B steel
Steel 10G2BD
10G2BTU steel
Steel 10G2S1
Steel 10G2S1D
10G2SB steel
10G2SFB steel
10G2T steel
10G2FB steel
10Г2ФБЮ steel
10GNB steel
Steel 10GS2
10GT steel
Steel 10ХГСН1Д (СХЛ-45)
10XDP steel
Steel 10ХН1М (ВК-1А)
10KhNDM steel
10XNDP steel
Steel 10ХСНД (СХЛ-4)
Steel 12G (12GA)
Steel 12G2AF
Steel 12G2B
Steel 12G2S
Steel 12G2SB
Steel 12G2SMF
Steel 12G2SMFAU
12GN2MFAu steel
12NDU steel
Steel 12GS (Sv-12GS)
12GSB steel
12GF steel
12ХГДАФ steel
12HSND steel
Steel 13G1S (13G1S-U)
Steel 13G1SB (13G1SB-U)
13G2AF steel
13GDF steel
Steel 13GS (13GS-U)
Steel 13GF (13GFA)
Steel 14G2
Steel 14G2AF
Steel 14G2AFD
Steel 14GS
Steel 14GF
Steel 14ХГМДЦ
Steel 14KhGS
15Г2АФД steel (15Г2АФДпс)
15G2SF steel
15G2SFD steel
15Г2ФБЮ steel
15GS steel
15GF steel
15GFD steel
15KhDP steel
15HSND steel
Steel 16G (16GA)
16G2AF steel
Steel 16G2AFD
Steel 16G2SF (16G2SAF)
16GD steel
16GMYUCH steel
16GS steel
16GFB steel
Steel 16D
Steel 17G1S (17G1S-U)
Steel 17GS
Steel 18G2AF (18G2AFps)
Steel 18Г2АФД (18Г2АФДпс)
18G2S steel
18YuT steel (Ch-33)
Steel 19YuFT (Ch37)
Steel 1Х2М1
Steel 20G2S
20GS steel
Steel 20GS2
Steel 20GSF (20GSFL)
Steel 20Х2Г2СР
Steel 20KhG2Ts
Steel 20ХГСС2
Steel 22G2
22GYu steel
Steel 22C
Steel 22Kh2G2AU
Steel 22Kh2G2P
Steel 23Cr2G2T
Steel 25G2S
Steel 25GS
Steel 25C2P
Steel 27GS
Steel 28G2S1D
Steel 28G2SFB (28G2SFBD)
Steel 28C
Steel 30HS2
Steel 32G2RPs
Steel 35GS
45KhGMA steel
Steel 80C
Steel SVS-690 (Severstal-690)
X56 steel
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 12Г2СМФ |
| Designation GOST Latin | 12G2CMF |
| Transliteration | 12G2SMF |
| The chemical elements | 12Mn2СMoV |
Description
Steel 12Г2СМФ used: to manufacture the welded metal structures; superstructures of railway bridges.
Standards
| Name | Code | Standards |
|---|---|---|
| Sheets and stripes | В23 | GOST 19903-74, GOST 19903-90, TU 14-1-1308-75 |
| Welding and cutting of metals. Soldering, riveting | В05 | OST 36-58-81 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | V | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-1-1308-75 | 0.09-0.15 | ≤0.035 | ≤0.035 | 1.3-1.7 | ≤0.3 | 0.4-0.7 | ≤0.3 | The rest | ≤0.3 | 0.07-0.15 | 0.15-0.25 |
Fe is the basis.
It is allowed to increase the viscosity by introducing into the steel 0.05-0.10% aluminum and 0.015-0.030% nitrogen. In this case, the steel is designated 12Г2СМФАЮ.
It is allowed to increase the viscosity by introducing into the steel 0.05-0.10% aluminum and 0.015-0.030% nitrogen. In this case, the steel is designated 12Г2СМФАЮ.
Mechanical characteristics
| Section, mm | sT|s0,2, MPa | σB, MPa | d5, % | kJ/m2, кДж/м2 |
|---|---|---|---|---|
| Rolled sheet. Hardening + vacation | ||||
| 10-36 | 685 | 590 | 14 | 340 |
Description mechanical marks
| Name | Description |
|---|---|
| Section | Section |
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| kJ/m2 | Toughness |
Technological properties
| Name | The value |
|---|---|
| Weldability | without restrictions |
