Steel 06Х16Н15М3Б (ЭИ847; 06Х16Н15М3Б)
Steel 1Х14Н14В2М (ЭИ257)
Steel 13Х15Н4АМ3 (EP310; VNS-5)
Steel 15X11MF (1X11MF)
Steel 15Х12ВНМФ (ЭИ802)
Steel 15Х12Н2МВФАБ (EP517)
Steel 15Х16К5Н2МВФАБ (EP866; VNS-30)
Steel 16Х11Н2В2МФ (ЭИ962А)
Steel 16Х12ВМСФ5Р
Steel 16X12MVSFBR (EP823)
18X11MNFB steel (EP291)
Steel 18Х12ВМБФР (ЭИ993)
Steel 18Х14Н4АМ3 (VNS-43)
18Kh15N3M steel (DI1)
Steel 13Х11Н2В2МФ (ЭИ961; ВНС-33)
Steel 20X12VNMF (EP428; 20X12VNMF-S (EP427-S))
Steel 25Х13Н2ВМФ (EP65; 2Х13НВМФ)
Steel 25Х18Н10В2 (EP610)
Steel 25Х18Н8В2 (ЭИ946)
Steel 31Х19Н9МВБТ (ЭИ572)
Steel 37Х12Н8Г8МФБ (ЭИ481)
Steel 40Х15Н7Г7Ф2МС (ЭИ388)
Steel 42Х11М3Ф (EP890)
Steel 45Х14Н14В2М (ЭИ69)
Steel 45Х14Н14СВ2М (ЭИ240)
Steel X12H20T2P (EI696A)
X14H8M2 steel (EP509)
Cr18N13C2AMVF5P steel
Steel 09Х14Н19В2БР1 (ЭИ726)
Steel 01X19Yu3Bch (EP904; 02X18Yu3B)
Steel 04Х15Н11С3МТ
Steel 06X14H5MF
Steel 06Х16Н15М3Б (ЭИ847; 06Х16Н15М3Б)
06X16H15M3K steel
Steel 07Х25Н16АГЦ (EP781)
Steel 08X14MF
Steel 08Х15Н24В4ТР (EP164)
Steel 08Х15Н25М3ТЮБ
Steel 08Х15Н5Д2Т (EP410; VNS-2; EP225)
Steel 08Х16Н13М2Б (ЭИ680)
Steel 09X14H16B (EI694)
Steel 09X14H19V2BR (EI695R)
Steel 13Х14Н3В2ФР (ЭИ736; 513Л)
Steel 09Х16Н13М3 (ЭИ592)
Steel 09Х16Н15М3Б
Steel 09Х16Н16МВ2БР (ЭП184; Х16Н16МВ2БР)
Steel 09Х16Н7М2Ю (ЗИ65)
10GN2MFA steel
Steel 10Х11Н20Т3Р (ЭИ696)
Steel 10Х11Н23Т3МР (ЭП33; ЭЦ696)
Steel 10Х12Н22Т3МРУ (EP33U)
Steel 10Х15Н28В2М4Б (EP485)
Steel 10Х15Н9С3Б1 (EP302)
10Х9НСМФБ steel
Steel 11Х11Н2В2МФ (ЭИ962)
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 06Х16Н15М3Б |
| Designation GOST Latin | 06X16H15M3B |
| Transliteration | 06H16N15M3B |
| The chemical elements | 06Cr16Н15Mo3Nb |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ЭИ847 |
| Designation GOST Latin | EI847 |
| Transliteration | EhI847 |
| The chemical elements | - |
Description
06Х16Н15М3Б steel is used: for the manufacture of pipes of the superheaters and steam pipelines of high pressure and nuclear power plants, continuously operating at temperatures up to +350 °C.
Note
Steel heat-resistant austenitic class.
The recommended maximum operating temperature for a very long time +350 °C.
The temperature of beginning of intensive scaling in air +850 °C.
Standards
| Name | Code | Standards |
|---|---|---|
| Bulls. Blanks. Slabs | В31 | OST 3-1686-90, TU 14-131-960-2001 |
| Sectional and shaped rolling | В32 | TU 14-1-2694-79, TU 14-11-245-88, TU 14-1-1115-2004 |
| Pipes steel and connecting parts to them | В62 | TU 14-159-165-87, TU 14-3-1041-81, TU 14-3-1070-81, TU 14-3-1077-81, TU 14-3-1511-87, TU 14-3-219-89, TU 14-3-958-80, TU 14-159-293-2005 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | N | As | B | Ti | Mo | Sn | Sb | Pb | Bi | Nb | Co |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-1-1115-2004 | 0.04-0.06 | ≤0.015 | ≤0.02 | ≤0.8 | 15-17 | ≤0.4 | 14-16 | The rest | - | - | - | - | - | 2.7-3.3 | - | - | - | - | 0.4-0.9 | - |
| TU 14-1-2694-79 | 0.04-0.06 | ≤0.01 | ≤0.015 | 0.4-0.8 | 15-16 | 0.3-0.6 | 15-16 | The rest | ≤0.05 | ≤0.025 | ≤0.001 | ≤0.001 | ≤0.05 | 2.7-3.2 | ≤0.001 | ≤0.001 | ≤0.001 | ≤0.0001 | ≤0.9 | ≤0.02 |
| TU 14-3-1511-87 | 0.04-0.06 | ≤0.01 | ≤0.015 | 0.4-0.8 | 15-17 | 0.3-0.6 | 14-16 | The rest | - | - | - | - | - | 2.7-3.2 | - | - | - | - | 0.4-0.9 | - |
Fe is the basis.
According to TU 14-3-1511-87, the chemical composition is given for steel grade 06H16N15M3B-ISH (-ID).
According to TU 14-1-1115-2004, the chemical composition is given for steel grade 06H16N15M3B-SH, 06H16N15M3B-VD. The ratio of the content of niobium to carbon should be in the range of 9 ÷ 13. Deviations in chemical composition are allowed: for niobium +0.20%, for carbon + 0.010 / -0.0050%, for silicon +0.20%. It is acceptable to reduce the ratio of niobium to carbon to 8.0.
According to TU 14-1-2694-79, the chemical composition is given for steel grades 06H16N15M3B-ID (EI847-ID) and 06H16N15M3B-ISH (EI847-ISH). The content of cobalt, copper, bismuth, lead, titanium and boron on the first 30 batches is optional, but is entered in the certificate. The technological additive of vanadium is acceptable up to 0.30%. The actual residual content of vanadium is indicated in the certificate. The ratio of the content of niobium to carbon should be in the range from 9 to 14. In the finished metal, subject to the specifications, the tolerance for the content of elements is permissible: carbon + 0.010%, phosphorus + 0.0050%, silicon + 0.10%, manganese +0 , 20%, phosphorus + 0.0050%, chromium + 0.50%, nickel + 0.50%, copper + 0.050%, boron + 0.0010%, nitrogen + 0.010%.
According to TU 14-3-1511-87, the chemical composition is given for steel grade 06H16N15M3B-ISH (-ID).
According to TU 14-1-1115-2004, the chemical composition is given for steel grade 06H16N15M3B-SH, 06H16N15M3B-VD. The ratio of the content of niobium to carbon should be in the range of 9 ÷ 13. Deviations in chemical composition are allowed: for niobium +0.20%, for carbon + 0.010 / -0.0050%, for silicon +0.20%. It is acceptable to reduce the ratio of niobium to carbon to 8.0.
According to TU 14-1-2694-79, the chemical composition is given for steel grades 06H16N15M3B-ID (EI847-ID) and 06H16N15M3B-ISH (EI847-ISH). The content of cobalt, copper, bismuth, lead, titanium and boron on the first 30 batches is optional, but is entered in the certificate. The technological additive of vanadium is acceptable up to 0.30%. The actual residual content of vanadium is indicated in the certificate. The ratio of the content of niobium to carbon should be in the range from 9 to 14. In the finished metal, subject to the specifications, the tolerance for the content of elements is permissible: carbon + 0.010%, phosphorus + 0.0050%, silicon + 0.10%, manganese +0 , 20%, phosphorus + 0.0050%, chromium + 0.50%, nickel + 0.50%, copper + 0.050%, boron + 0.0010%, nitrogen + 0.010%.
Mechanical characteristics
| Section, mm | sT|s0,2, MPa | σB, MPa | d5, % |
|---|---|---|---|
| Black bars, hot-rolled, calibrated and with special surface finish and wrought iron bars on the other 14-1-1115-2004. Austenization 1060-1100 °C air cooling or water | |||
| ≥216 | ≥539 | ≥30 | |
| The billet according to TU 14-1-2694-79. The longitudinal samples. Annealing in air or in water 1050-1100 °C | |||
| ≥216 | ≥539 | ≥35 | |
| ≥176 | ≥372 | ≥25 | |
| ≥147 | ≥333 | ≥28 | |
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 |
Technological properties
| Name | The value |
|---|---|
| Macrostructure and contamination | In the macrostructure of the workpiece on the other 14-1-2694-79 in the state of delivery should be free of cracks, gas bubbles, subcortical bubbles, turns brown, bundles, traces of shrinkage, inclusions, visible to the naked eye. Under the control of the workpiece on the transverse microtemplate valid Central porosity, point heterogeneity and phase separation in the square no more than 1.0 points. Layer-by-layer crystallization and the square of the increased travelmasti is not a rejection symptom. In the metal tube blank, the content of nonmetallic inclusions shall not exceed the maximum score on the scale GOST 1778: sulphide - 1.0 points, oxides of point - 2.0 points, oxides and silicates stroke - 2.0 points, silicates unde - 1.0 points. In the metal tube blank and the content of the stroke of nitride and carbonitride phases of niobium should not exceed the maximum score on the scale GOST 1778 2.5 points. |
