Steel 03Х11Н10М2Т (ЭП678; ANS-17)
Steel 16Х12В2ФТаР (EC181)
Steel 17Х18Н9 (2Х18Н9)
Steel 15Х16Н2АМ (EP479)
Steel 14Х20Н25В5МБ (LZhT)
Steel 14Х17Н2 (ЭИ268)
Steel 13Х16Н3М2АФ (VNS57)
Steel 12Х18Н9 (Х18Н9)
Steel 12Х12М1БФР (EP450)
Steel 11Х17Н
Steel 10Х25Н6АТМФ
Steel 10Х20Н33Б
10X18H9 steel
10X18N10T steel (EP502)
Steel 10Х12Н3М2БФ
Steel 10Х12Н20Т2 (EP452)
09Cr18Ni9 steel
Steel 09X17N (ChS130)
Steel 08Х20Н12АБФ
Steel 08X19H12TF
Steel 08Х16Н11М3
45X25H35BS steel
Steel CS 116-ID (EP753U-ID)
Steel 9Х13Н6ЛК4 (ЭИ928)
Steel 80X20NS (EP992)
Steel 50X25H35S2B
Steel 50Х25Н35В5К15С
Steel 50Х20Н35С2Б
Steel 50Kh15MFasch
Steel 4Х13Н6ЛВФ (EP354)
Steel 45Х28Н49В5С
Steel 08Cr13 (EI496)
Steel 45X25H20C2
Steel 45X25H20S
Steel 35Х24Н24Б
Steel 32Х13Н6К3М2БДЛТ (VNS-32; SES1)
Steel 30X23H7S
Steel 23Х15Н5АМ3 (18Х15Н6АМ3; VNS-9)
Steel 20Х13Н2ДМЮФ (DI96)
Steel 20X13 (02X13)
Steel 20Х12НМВБФАР (ЧС139)
Steel 02N15K10M5F5
Steel 03N18K8M3TU (ЗИ25)
Steel 03N18K1M3TU (ZI80)
Steel 03N17K10V10MT (EP836)
Steel 03N15K10M5F5 (EK169)
Steel 03N14Cr5M3Tu (OMC-2)
Steel 03N14H5M3T (EP777)
Steel 03N10Cr12D2T
Steel 02X8H22S6 (EP794)
Steel 02N18M3K3T (EK165; ČS101)
Steel 03N18K9M5TU (ChS4)
Steel 01N18K9M5T (EP637U)
Steel 015Cr18Nr15P30 (EP168B)
Steel 015Х18Н15Р26 (EP168А)
Steel 015Cr18Nr15P22 (EP167B)
Steel 015Cr18Nr15P17 (EP167A)
Steel 015Х18Н15Р13 (EP166Б)
Steel 015Cr18Nr15P09 (EP166A)
Steel 015N18M4TU (EP989; ČS5U)
Steel 015N18K13M5TU (EP948; ČS35)
Steel 05X12H2M
Steel 07Х25Н16АГ6Ф (EP750)
Steel 07Х15Н30В5М2 (ChS81)
Steel 07Х12НМФБ (ChS80)
Steel 07Х12НМБФ (EP609)
Steel 06Х16Н15М3БР (EP172)
Steel 06Х16Н15М2Г2ТФР (ЧС68)
Steel 06Х15Н6МВФБ (VNS16)
Steel 06X13H7D2 (EP898)
Steel 05Х12Н5К14М5ТВ (EP695)
Steel 08Х14Н2К3МФБ (EK93; VNS-51)
Steel 04Х16Н11М3Т (DI95)
Steel 03Х17Н14М3 (ЗИ66)
Steel 03Х13Н5М5К9 (VNL-6)
Steel 03Х12Н8МТю (ЗИ37)
Steel 03Х12Н8К5М2ТЮ (ЗИ90)
Steel 03Х11Н10М2Т1 (EP679)
Steel 03Х11Н10М2Т (EP678; VNS-17)
Steel 03N18M4TU (ChS25)
Steel 03N18M3TU (ChS5)
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 03Х11Н10М2Т |
| Designation GOST Latin | 03X11H10M2T |
| Transliteration | 03H11N10M2T |
| The chemical elements | 03Cr11Н10Mo2Ti |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ЭП678 |
| Designation GOST Latin | EP678 |
| Transliteration | EhP678 |
| The chemical elements | - |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ВНС-17 |
| Designation GOST Latin | BHC-17 |
| Transliteration | VNS-17 |
| The chemical elements | WНС-17 |
Description
03Х11Н10М2Т steel is used: for the production of highly loaded disks of turbomachines, gear wheels, spindles, worms, parts, aircraft, operating in the temperature range from cryogenic to +500 °C; strength of welded and machined parts operating in aggressive atmospheric conditions at temperatures up to +400 ° C and cryogenic temperatures; nitride of parts for the aircraft industry; solid-rolled rings for different purposes; welding wire.
Note
High-strength corrosion-resistant Maraging steel.
Standards
| Name | Code | Standards |
|---|---|---|
| Classification, nomenclature and general norms | В20 | OST 1 90005-91 |
| Sectional and shaped rolling | В32 | OST 1 92049-76, TU 14-1-1540-75, TU 14-131-814-90, TU 14-1-3568-83, TU 14-1-4608-89 |
| Bulls. Blanks. Slabs | В31 | TU 14-1-1213-75, TU 14-1-1214-75, TU 14-1-2184-77, TU 14-1-3072-80 |
| Metal forming. Forgings | В03 | TU 14-1-1530-75, TU 14-1-2100-77, TU 14-134-248-89, TU 14-1-5285-94 |
| Sheets and stripes | В33 | TU 14-1-2035-77, TU 14-1-2095-77, TU 14-1-2151-77, TU 14-1-2494-78, TU 14-1-2519-78, TU 14-1-5132-92 |
| Tapes | В34 | TU 14-1-3355-82, TU 14-1-3431-82 |
| Welding and cutting of metals. Soldering, riveting | В05 | TU 14-1-3482-82 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Al | B | Ti | Mo | Nb | Ca | Zr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-134-248-89 | ≤0.03 | ≤0.01 | ≤0.01 | ≤0.1 | 10-11.3 | ≤0.15 | 9-10.3 | The rest | - | ≤0.2 | 0.002 | 0.8-1 | 1.8-2.3 | ≤0.15 | - | 0.06 |
| TU 14-1-1540-75 | ≤0.03 | ≤0.01 | ≤0.01 | ≤0.1 | 10-11.3 | ≤0.15 | 9-10.3 | The rest | - | ≤0.2 | ≤0.003 | 0.7-1.1 | 1.8-2.3 | ≤0.15 | - | ≤0.03 |
| TU 14-1-1213-75 | ≤0.03 | ≤0.01 | ≤0.01 | ≤0.1 | 10-11.3 | ≤0.15 | 9-10.3 | The rest | ≤0.3 | ≤0.2 | - | 0.6-1 | 1.8-2.3 | ≤0.15 | - | - |
| TU 14-1-3568-83 | ≤0.03 | ≤0.01 | ≤0.01 | ≤0.1 | 10-11.3 | ≤0.15 | 9-10.3 | The rest | ≤0.3 | ≤0.2 | 0.002 | 0.7-1.1 | 1.8-2.3 | ≤0.15 | ≤0.06 | 0.06 |
| TU 14-1-4608-89 | ≤0.03 | ≤0.01 | ≤0.01 | ≤0.1 | 10-11.3 | ≤0.15 | 9-10.3 | The rest | ≤0.3 | ≤0.2 | 0.003 | 0.6-1 | 1.8-2.3 | ≤0.15 | - | 0.06 |
| TU 14-1-2151-77 | ≤0.03 | ≤0.01 | ≤0.01 | ≤0.1 | 10-11.3 | ≤0.15 | 9-10.3 | The rest | - | ≤0.2 | ≤0.002 | 0.7-1.1 | 1.8-2.3 | ≤0.15 | - | ≤0.06 |
| TU 14-1-5285-94 | ≤0.03 | ≤0.01 | ≤0.01 | ≤0.1 | 10-11.3 | ≤0.15 | 9-10.3 | The rest | - | ≤0.2 | - | 0.7-1.1 | 1.8-2.3 | ≤0.15 | - | - |
Fe is the basis.
According to TU 14-1-1540-75 the chemical composition is given for steel grade 03H11N10M2T (EP678). Boron, zirconium, calcium and niobium are introduced into the metal by calculation and chemical analysis are not determined. Deviations in chemical composition are allowed: by nickel -0.20%, by silicon and manganese, provided that their sum will be no more than 0.25%, sulfur and phosphorus, provided that their amount is not more than 0.020%.
According to TU 14-1-2151-77, the chemical composition is given for steel 03Х11Н10М2ТУ-ВД (ЭП678У-ВД); total mass fractions P + S ≤ 0.022%, Mn + Si ≤ 0.30%.
According to TU 14-1-3482-82, the chemical composition is given for a welding wire of steel grade Sv-03Kh11N10M2T-VD (EP678-VD).
According to TU 14-1-5285-94, the chemical composition is given for steel grade 03H11N10M2T-ID (EP678U-ID).
According to TU 14-1-1213-75, the chemical composition is given for steel grade 03Х11Н10М2Т-ВД (ЭП678У-ВД). Deviations in chemical composition are allowed in the finished product: carbon + 0.0050%, chromium ± 0.20%, nickel -0.20%. Boron and zirconium are introduced according to the calculation of 0.0020% and 0.060%, respectively, without taking into account the carbon monoxide and chemical analysis are not determined. Deviations in sulfur and phosphorus are allowed provided that their total mass fraction will not exceed 0.022%, as well as for silicon and manganese, provided that their total mass fraction does not exceed 0.30%.
According to TU 14-1-4608-89 the chemical composition is given for steel grade 03H11N10M2T-VD (EP678U-VD). Boron and zirconium are introduced into the metal by calculation without taking into account the burn and chemical analysis is not determined. Deviations from the chemical composition are permissible: carbon +0.0050%, chromium ± 0.20%, nickel -0.20%. Deviations in sulfur and phosphorus are allowed, provided that the total mass fraction does not exceed 0.022%, and also for silicon and manganese, provided that the total mass fraction does not exceed 0.30%.
According to TU 14-1-3568-83, the chemical composition is given for steel grade 03H11N10M2T-VD (EP678U-VD). The content of boron, zirconium and calcium is indicated by calculation without taking into account the burn and chemical analysis is not determined. Deviations in chemical composition are allowed: for nickel -0.20%, for chromium +0.30%. Deviations in sulfur and phosphorus are allowed, provided that their total content does not exceed 0.020%, and also for silicon and manganese, provided that their total content does not exceed 0.25%. In steel grade 03H11N10M2T-ID (EP678-ID), the zirconium content should not be more than 0.030%, the calcium content - not more than 0.050%. At the request of the customer, specified in the order, steel is supplied with a titanium content of 0.80-1.10% and aluminum not more than 0.15%.
According to TU 14-134-248-89 the chemical composition is given for steel grade 03H11N10M2T-ID (EP678U-ID). In the metal, boron and zirconium are added by calculation to the values of 0.0020% and 0.060%, respectively, without taking into account the fumes. Boron and zirconium are not determined by chemical analysis. Deviations in chemical composition are allowed: carbon +0.0050%, chromium ± 0.20%, nickel +0.20%, silicon and manganese, with a total content of not more than 0.30%, sulfur and phosphorus subject to a total content of not more than 0.022%, in titanium +0.10%. Residual content of elements in the chemical composition of steel - in accordance with GOST 5632.
According to TU 14-1-1540-75 the chemical composition is given for steel grade 03H11N10M2T (EP678). Boron, zirconium, calcium and niobium are introduced into the metal by calculation and chemical analysis are not determined. Deviations in chemical composition are allowed: by nickel -0.20%, by silicon and manganese, provided that their sum will be no more than 0.25%, sulfur and phosphorus, provided that their amount is not more than 0.020%.
According to TU 14-1-2151-77, the chemical composition is given for steel 03Х11Н10М2ТУ-ВД (ЭП678У-ВД); total mass fractions P + S ≤ 0.022%, Mn + Si ≤ 0.30%.
According to TU 14-1-3482-82, the chemical composition is given for a welding wire of steel grade Sv-03Kh11N10M2T-VD (EP678-VD).
According to TU 14-1-5285-94, the chemical composition is given for steel grade 03H11N10M2T-ID (EP678U-ID).
According to TU 14-1-1213-75, the chemical composition is given for steel grade 03Х11Н10М2Т-ВД (ЭП678У-ВД). Deviations in chemical composition are allowed in the finished product: carbon + 0.0050%, chromium ± 0.20%, nickel -0.20%. Boron and zirconium are introduced according to the calculation of 0.0020% and 0.060%, respectively, without taking into account the carbon monoxide and chemical analysis are not determined. Deviations in sulfur and phosphorus are allowed provided that their total mass fraction will not exceed 0.022%, as well as for silicon and manganese, provided that their total mass fraction does not exceed 0.30%.
According to TU 14-1-4608-89 the chemical composition is given for steel grade 03H11N10M2T-VD (EP678U-VD). Boron and zirconium are introduced into the metal by calculation without taking into account the burn and chemical analysis is not determined. Deviations from the chemical composition are permissible: carbon +0.0050%, chromium ± 0.20%, nickel -0.20%. Deviations in sulfur and phosphorus are allowed, provided that the total mass fraction does not exceed 0.022%, and also for silicon and manganese, provided that the total mass fraction does not exceed 0.30%.
According to TU 14-1-3568-83, the chemical composition is given for steel grade 03H11N10M2T-VD (EP678U-VD). The content of boron, zirconium and calcium is indicated by calculation without taking into account the burn and chemical analysis is not determined. Deviations in chemical composition are allowed: for nickel -0.20%, for chromium +0.30%. Deviations in sulfur and phosphorus are allowed, provided that their total content does not exceed 0.020%, and also for silicon and manganese, provided that their total content does not exceed 0.25%. In steel grade 03H11N10M2T-ID (EP678-ID), the zirconium content should not be more than 0.030%, the calcium content - not more than 0.050%. At the request of the customer, specified in the order, steel is supplied with a titanium content of 0.80-1.10% and aluminum not more than 0.15%.
According to TU 14-134-248-89 the chemical composition is given for steel grade 03H11N10M2T-ID (EP678U-ID). In the metal, boron and zirconium are added by calculation to the values of 0.0020% and 0.060%, respectively, without taking into account the fumes. Boron and zirconium are not determined by chemical analysis. Deviations in chemical composition are allowed: carbon +0.0050%, chromium ± 0.20%, nickel +0.20%, silicon and manganese, with a total content of not more than 0.30%, sulfur and phosphorus subject to a total content of not more than 0.022%, in titanium +0.10%. Residual content of elements in the chemical composition of steel - in accordance with GOST 5632.
Mechanical characteristics
| Section, mm | sT|s0,2, MPa | σB, MPa | d5, % | y, % | kJ/m2, кДж/м2 | Brinell hardness number, MPa | HRC |
|---|---|---|---|---|---|---|---|
| Gradation of performance properties of the finished heat-treated parts for OST 1 90005-91 | |||||||
| - | - | 1180-1370 | - | - | - | 302-376 | 33-41 |
| - | - | 1370-1570 | - | - | - | - | 41-45 |
| - | - | - | - | - | - | 269-363 | 28-39 |
| Ring forged in OST 1 92049-76. Quenching in water from 910-930 °C (extract 3 hours) + Aging 560-660 °C (exposure 6 h), air cooling | |||||||
| ≥1180 | ≥1275 | ≥8 | ≥30 | ≥294 | - | - | |
| Ring forged in OST 1 92049-76. Annealing in air or in water with 840-880 °C (aging of 1.0-1.5 h) + Aging at 580-630 °C (delay 2-3 hours), air cooling | |||||||
| ≥1030 | ≥1230 | ≥11 | ≥50 | ≥590 | - | - | |
| Forgings on the other 14-134-248-89. Transverse samples of the reforged billet sq, cu. 80-100 mm. Hardening in air, 930-970 °C (40 minutes exposure) + Aging at 550-570 °C (delay 2-3 hours), air cooling | |||||||
| ≥1128 | ≥1230 | ≥6 | ≥25 | ≥294 | - | - | |
| Bars hot rolled and forged steel 03Х11Н10М2Т-VD on the other 14-1-3568-83. The longitudinal samples. Hardening in air, 845-875 °C (delay of 40-60 minutes) + Aging at 490-510 °C (exposure 2 hours), air cooling | |||||||
| ≥1325 | ≥1420 | ≥8 | ≥40 | ≥294 | - | - | |
| Bars hot rolled and forged steel 03Х11Н10М2Т-ID on the other 14-1-3568-83. The longitudinal samples. Annealing in air with 850-870 °C (delay of 40-60 minutes) + Aging 585-615 °C (exposure 2 hours), air cooling | |||||||
| ≥885 | ≥1080 | ≥12 | ≥50 | ≥588 | - | - | |
| Bars hot rolled and forged on the other 14-1-1540-75. Quenching in water from 1180-1220 °C (exposure 1.5 h) + Annealing in air, 845-875 °C (40 minutes exposure) + Aging at 570-630 °C (exposure 2 hours), air cooling | |||||||
| ≥1030 | ≥1230 | ≥11 | ≥50 | ≥590 | - | - | |
| Bars hot rolled and forged on the other 14-1-1540-75. Hardening in air, 845-875 °C (40 minutes exposure) + Aging at 490-510 °C (exposure 2 hours), air cooling | |||||||
| ≥1225 | ≥1420 | ≥7 | ≥35 | - | - | - | |
| Bars hot rolled and forged THAT 14-1-4608-89. Group 1. The longitudinal samples. Bars up to 100 mm: Hardened in air or in water 950-980 °C + Aging at 500-520 °C (extract to 4.0-4.5 hours), air cooling; Rods over 100 mm: Triple tempering in air or in water 950-980 °C (40 minutes exposure) + Aging at 500-520 °C (extract to 4.0-4.5 hours), air cooling | |||||||
| ≥1270 | ≥1370 | ≥8 | ≥35 | ≥343 | - | - | |
| Bars hot rolled and forged THAT 14-1-4608-89. Group 2. The longitudinal samples. Bars up to 100 mm: Hardened in air or in water 950-980 °C (40 minutes exposure) + Aging at 500-540 °C (extract to 4.0-4.5 hours), air cooling; Rods over 100 mm: Triple tempering in air or in water 950-980 °C (40 minutes exposure) + Aging at 500-540 °C (extract to 4.0-4.5 hours), air cooling | |||||||
| ≥1325 | ≥1420 | ≥8 | ≥35 | ≥441 | - | - | |
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 |
| HRC | Rockwell hardness (indenter diamond spheroconical) |
Technological properties
| Name | The value |
|---|---|
| Workability by cutting | Intractable. |
| Macrostructure and contamination | Pollution steel non-metallic inclusions estimated average score on the methods and scales GOST 1778 (SH1 Ш4 or method) and should not exceed: nitride inclusions - 3.0 points, silicates, non-deformed - 2.5 points, other types of inclusions - 1.0 points. The surface quality and macrostructure must meet the requirements of GOST 5949. |
