Steel 15Х2НМФА
Steel 35KhSN3M1A (VKS-8)
Steel 30Kh2GSN2VM (30Kh2GSN2M1; VL-1)
Steel 30Kh2GSNVM (VL-1D)
Steel 30Х2Н2СВМФА (VKS-3)
Steel 30KhGSN2A (30KhGSNA)
Steel 30KhGSN2MA (30KhGSNMA)
Steel 30ХН3М1ФА (30ХН3М1Ф)
Steel 30ХН3М2ФА (30ХН3М2Ф)
Steel 32KhN8M1FK5A (VKS-6)
Steel 34KhMA (34KhM)
Steel 34KhN3MA (0KhN3M)
Steel 35KhMA (35KhMAR)
Steel 35KhN1M2FA
Steel 35KHN3MFA (35KHN3MFAR)
Steel 35ХС2Н3М1ФА (VKS-9)
Steel 28ХНН3МФА (28ХН3МФ)
Steel 36KHN3MFA (36KHN3MF)
Steel 38Kh3SNMVFA (SP38)
38KhMFYUA steel
38KhN3MFA steel (38KhN3MF)
40GMFR steel
Steel 40KhN2SVA (EI643)
Steel 40KhN2SMA (EI643M)
Steel 42Kh2GSNM (VKS-1)
43Kh3SNMVFA steel (SP43)
Steel 45Г15Н9Х2ЮФ (EP769)
45Kh3NM2FA steel
Steel АЦ28ХГН2АФБ
Steel АЦ28ХГН3ФТ
B2G steel
X11MNAFB steel
20KhGSNM steel
Steel 01N17K12M5T (EP845; VKS-240)
Steel 02N18K9M5T (EP637A; VKS-210)
Steel 03N18K8M5T (VKS-170; EK21)
Steel 03N19K6M5TR (EP631)
Steel 03Cr14H7V
Steel 08Х15Н25Т2МФР (EP674)
Steel 09Х16НМ2Д (EP887; VNS28)
Steel 120G13 (EI256)
12Kh3GNMFBA steel
Steel 15Х16Н3КАМФ2 (VNS-47; EK81)
15Kh2GMF steel
15Kh2NMFA steel
Steel 16X16H3MAD (EP811; VSN21)
Alloy 20ХГСН2МФА (DI107)
Steel 28Kh3SNMVFA (SP28; EP326A)
Steel 25Х12Н2В2М2Ф (EP311; VNS-6)
Steel 25Х20Н9В2М (EP466)
Steel 25Kh2GNTA
Steel 25Х2ГНТРА
Steel 25Х2Н4МФА
Steel 25Kh2NMF (25Kh2NMFA)
Steel 25KhGSNMA
Steel 25KhN3MFA (25KhN3MFAR)
Steel 25ХСНВФА (VP25)
Steel 26ХН3М2ФА (26ХН3М2ФАA)
Steel 26KhN3MF (26KhN3MFA)
Steel 26KhN4MF (26KhN4MFA)
Steel 27ХН3М2ФА (27ХН3М2Ф)
Steel 27ХН3МФА (27ХН3МФ)
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 15Х2НМФА |
| Designation GOST Latin | 15X2HMFA |
| Transliteration | 15H2NMFA |
| The chemical elements | 15Cr2НMoV |
Description
15Х2НМФА steel is used: for the manufacture of forgings, sheets (plates), sheet and forged blanks intended for the manufacture of casings, covers and other components of reactor facilities and components power engineering industry; parts and components of equipment of nuclear power plants.
Note
High quality structural steel high-alloyed.
Standards
| Name | Code | Standards |
|---|---|---|
| Sheets and stripes | В33 | OST 108.360.108-80, TU 108.11.906-87 |
| Welding and cutting of metals. Soldering, riveting | В05 | RTD 2730.300.02-91, OST 108.300.02-86 |
| Sectional and shaped rolling | В22 | TU 0893-013-00212179-2003 |
| Bulls. Blanks. Slabs | В31 | TU 108-765-78 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | As | V | Mo | Co |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 108-765-78 | 0.13-0.18 | ≤0.02 | ≤0.02 | 0.3-0.6 | 1.8-2.3 | 0.17-0.37 | 1-1.5 | The rest | ≤0.3 | ≤0.04 | 0.1-0.12 | 0.5-0.7 | ≤0.03 |
Fe is the basis.
According to TU 108-765-78 the chemical composition is given for steel 15Х2НМФА.
According to TU 0893-013-00212179-2003 the chemical composition is given for 15Х2НМФА steel.
For steel 15Х2НМФА-А the content of Sn≤0.005%, Sb≤0.005%, Cu≤0.10%, S≤0.012%, P≤0.010%, As≤0.010%.
For steel 15Х2НМФА Class I, the content of Sn≤0.005%, Sb≤0.005%, Ni = 1.00-1.30%, Cu≤0.08%, S≤0.012%, P≤0.010%, As≤0.010%.
The total content of phosphorus, tin and antimony in the steel grades 15Х2НМФА-А and 15Х2НМФА class I should not be more than 0,015%.
When melting the steels in the main arc furnace and when processing on the OVPV, vanadium is introduced at the rate of 0.10%; when steel is smelted in an arc furnace for refilling ingots with a mass of more than 130 tons, vanadium is introduced at the rate of 0.12%. The vanadium content is determined in the ladle sample, the results are recorded in the quality document and are not delivery.
The total content of sulfur and phosphorus in steel 15Х2НМФА, processed on OSRV, should be no more than 0,020%, in steel 15Х2НМФА -А and in steel 15Х2НМФА class I - no more than 0,015%.
The aluminum content in the steel is determined, the results are recorded in the quality document and are not delivery.
According to TU 108-765-78 the chemical composition is given for steel 15Х2НМФА.
According to TU 0893-013-00212179-2003 the chemical composition is given for 15Х2НМФА steel.
For steel 15Х2НМФА-А the content of Sn≤0.005%, Sb≤0.005%, Cu≤0.10%, S≤0.012%, P≤0.010%, As≤0.010%.
For steel 15Х2НМФА Class I, the content of Sn≤0.005%, Sb≤0.005%, Ni = 1.00-1.30%, Cu≤0.08%, S≤0.012%, P≤0.010%, As≤0.010%.
The total content of phosphorus, tin and antimony in the steel grades 15Х2НМФА-А and 15Х2НМФА class I should not be more than 0,015%.
When melting the steels in the main arc furnace and when processing on the OVPV, vanadium is introduced at the rate of 0.10%; when steel is smelted in an arc furnace for refilling ingots with a mass of more than 130 tons, vanadium is introduced at the rate of 0.12%. The vanadium content is determined in the ladle sample, the results are recorded in the quality document and are not delivery.
The total content of sulfur and phosphorus in steel 15Х2НМФА, processed on OSRV, should be no more than 0,020%, in steel 15Х2НМФА -А and in steel 15Х2НМФА class I - no more than 0,015%.
The aluminum content in the steel is determined, the results are recorded in the quality document and are not delivery.
Mechanical characteristics
| Section, mm | sT|s0,2, MPa | σB, MPa | d5, % | y, % | kJ/m2, кДж/м2 |
|---|---|---|---|---|---|
| Forgings, sheet (plate), sheet metal; punch burrs (category workpieces a-A, A) | |||||
| ≤400 | ≥490 | 610 | ≥15 | ≥55 | - |
| Forgings up to 650 mm; sheet (plate), sheet metal up to 400 mm; stamped workpiece to 400 mm (category blanks B) | |||||
| - | ≥390 | 490 | ≥12 | ≥45 | - |
| Forgings, sheet (plate), sheet metal; stamped blank (blanks category B) | |||||
| ≤400 | ≥440 | 550 | ≥15 | ≥55 | - |
| Forgings up to 650 mm; sheet (plate), sheet metal up to 400 mm; stamped workpiece to 400 mm (category blanks B) | |||||
| - | - | - | - | - | 340 |
| Forgings, sheet (plate), sheet metal; stamped blank (blanks category B) | |||||
| ≤650 | ≥440 | 550 | ≥15 | ≥55 | - |
| Forgings, sheet (plate), sheet metal; punch burrs (category workpieces a-A, A) | |||||
| ≤400 | ≥440 | 540 | ≥14 | ≥50 | - |
| Forgings, sheet (plate), sheet metal; punch burrs (category blanks) | |||||
| ≤400 | ≥490 | 610 | ≥15 | ≥55 | ≥590 |
| Forgings, sheet (plate), sheet metal; punch burrs (category workpieces a-A, A) | |||||
| - | ≤540 | - | - | - | 390 |
| - | 540-690 | - | - | - | 490 |
| Forgings, sheet (plate), sheet metal; punch burrs (category blanks) | |||||
| - | - | - | - | - | 390 |
| ≤400 | ≥440 | 540 | ≥14 | ≥50 | - |
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 |
| y | The relative narrowing |
| kJ/m2 | Toughness |
