Steel 12KH1MF (12ХМФ; 12ХМФА)
Steel 15Kh5M (X5M)
30Cr3MA steel
30Kh3VA steel
Steel 25X5M
Steel 25Kh3MFA-A
Steel 25Kh3MFA (48TS-4)
Steel 25Kh2MFA (48TS-1)
Steel 25Kh2M1F (EI723)
Steel 25Х1МФ (ЭИ10)
Steel 20Х3МВФ (ЭИ415)
Steel 20Х1М1Ф1ТР (EP182)
Steel 18Kh3MV (EI578)
Steel 18Kh2MFA-A
Steel 18Kh2MFA (48TS-3)
15CrM Steel
Steel 15X5VF (X5VF)
Steel 15X5 (X5)
Steel 15Kh2MFA-A
Steel 15Kh2MFA (48TS-3-40)
Steel 13X9M (X9M)
Steel 13Х3Н3М2ВФБ (VKS-10)
12XM steel
Steel 12Kh8VF (1Kh8VF)
Steel 12X8 (1X8)
Steel 12Kh2MFA-A
Steel 12Х2МФА (48ТС-2)
Steel 12Kh1MF (12KhMF; 12KhMFA)
12MX steel
Steel 08Х16Н9М2
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 12Х1МФ |
| Designation GOST Latin | 12X1MF |
| Transliteration | 12H1MF |
| The chemical elements | 12Cr1MoV |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 12ХМФ |
| Designation GOST Latin | 12XMF |
| Transliteration | 12HMF |
| The chemical elements | 12CrMoV |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 12ХМФА |
| Designation GOST Latin | 12XMFA |
| Transliteration | 12HMFA |
| The chemical elements | 12CrMoV |
Description
12KH1MF steel is used: for the manufacture of cold-rolled fin tubes with outer diameter 32, 38 and 50 mm, designed for steam boilers with supercritical parameters of steam; superheaters tubes, pipes and collecting high-pressure, forgings for steam boilers and steam pipes; parts, cylinders of gas turbines; various parts operating at temperatures up to +570−585 °C; details of pipes and valves with quenching in air or oil and leave on the air; details of the type of bottoms, collar flanges, fittings, rings, nozzles, tees and parts of rectangular shape for power equipment and pipelines with an absolute pressure of more than 3.9 MPa and thermal power plants; of billets intended for the manufacture of seamless cold, warm, hot-wrought, including hot-pressed and hot-pressed reduced pipes for steam boilers and pipelines, installations with high and supercritical steam parameters; pipe diameter from 57 to 168 mm for use in the system of gas pipelines, oil and gas pipelines, technological pipelines, transporting oil and petroleum products, as well as in the systems of reservoir pressure maintenance in terms of climatic zones with temperature of the transported medium from +5° C to +40° C.
Note
Micro-alloyed steel parlingo class increased corrosion resistance and cold-resistance. The pipe of steel grade 12ХМФА different from oil and gas pipes standard high cold resistance, high resistance to General and pitting corrosion, resistance to sulfide corrosion cracking and hydrogen cracking.
Temperature intense scaling +600 °C.
Standards
| Name | Code | Standards |
|---|---|---|
| Sectional and shaped rolling | В22 | GOST 1133-71, GOST 2590-2006, GOST 2591-2006 |
| Sheets and stripes | В33 | GOST 4405-75, TU 108.1273-84, TU 14-1-1584-75, TU 14-1-687-73 |
| Sheets and stripes | В23 | GOST 5520-79, GOST 103-2006 |
| Sectional and shaped rolling | В32 | GOST 7417-75, GOST 8559-75, GOST 8560-78, GOST 14955-77, GOST 20072-74, TU 14-1-1397-75, TU 14-1-3987-85, TU 14-11-245-88, TU 14-1-1529-2003 |
| Bulls. Blanks. Slabs | В21 | OST 14-13-75 |
| Metal forming. Forgings | В03 | OST 5Р.9125-84, OST 108.030.113-87, TU 0306.018-80, ST ЦКБА 010-2004 |
| Thermal and thermochemical treatment of metals | В04 | ST ЦКБА 026-2005 |
| Bulls. Blanks. Slabs | В31 | TU 108-938-80, TU 14-1-4992-91 |
| Tapes | В34 | TU 14-175-90-89 |
| Pipes steel and connecting parts to them | В62 | TU 14-3-341-75, TU 14-3-463-2005, TU 14-3-460-2009, TU 1310-030-00212179-2007, TU 14-3Р-55-2001, TU 14-3-460-2003, TU 1308-226-0147016-02 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | N | Al | V | Ti | Mo | W |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-1-3987-85 | 0.1-0.15 | ≤0.025 | ≤0.025 | 0.4-0.7 | 0.9-1.2 | 0.17-0.37 | ≤0.3 | The rest | ≤0.3 | - | - | 0.15-0.3 | - | 0.25-0.35 | - |
| TU 108.1273-84 | 0.08-0.15 | ≤0.02 | ≤0.02 | 0.4-0.7 | 0.9-1.2 | 0.17-0.37 | ≤0.3 | The rest | ≤0.35 | - | - | 0.15-0.3 | - | 0.25-0.35 | - |
| GOST 5520-79 | 0.08-0.15 | ≤0.025 | ≤0.025 | 0.4-0.7 | 0.9-1.2 | 0.17-0.37 | ≤0.3 | The rest | ≤0.2 | - | ≤0.02 | 0.15-0.3 | - | 0.25-0.35 | - |
| GOST 20072-74 | 0.1-0.15 | ≤0.025 | ≤0.03 | 0.4-0.7 | 0.9-1.2 | 0.17-0.37 | ≤0.3 | The rest | ≤0.2 | - | - | 0.15-0.3 | ≤0.03 | 0.25-0.35 | ≤0.2 |
| TU 14-3-460-2003 | 0.1-0.15 | ≤0.025 | ≤0.025 | 0.4-0.7 | 0.9-1.2 | 0.17-0.37 | ≤0.25 | The rest | ≤0.2 | - | - | 0.15-0.3 | - | 0.25-0.35 | - |
| TU 14-3-341-75 | 0.08-0.15 | ≤0.025 | ≤0.025 | 0.4-0.7 | 0.9-1.2 | 0.17-0.37 | ≤0.25 | The rest | ≤0.2 | - | - | 0.15-0.3 | - | 0.25-0.35 | - |
| TU 1308-226-0147016-02 | 0.09-0.13 | ≤0.01 | ≤0.015 | 0.35-0.65 | 0.8-1.1 | 0.17-0.37 | ≤0.25 | The rest | ≤0.25 | ≤0.008 | 0.02-0.05 | 0.03-0.08 | - | 0.15-0.3 | - |
Fe is the basis.
According to GOST 5520-79 in the manufacture of steel scrap-process, the mass fraction of copper should not be more than 0.30%.
According to GOST 20072-74, when steel is scrap-process, the content of Cu ≤ 0.30%. Tungsten is allowed up to 0.20%, titanium up to 0.030%. When smelting steel by the method of electroslag remelting, the mass fraction of sulfur should not be more than 0.015%.
According to TU 14-1-1529-2003, TU 14-3-460-2003 and TU 14-3-341-75 for steel produced by scrap process or from cuprous ores, the mass fraction of residual copper and nickel is allowed up to 0.30 % of each. A technological addition of rare earth elements is allowed to improve the quality of the metal.
According to TU 14-3R-55-2001, the chemical composition is given for steel grade 12X1MF; For steel made by scrap-process or from cuprous ores, the content of copper and nickel is allowed to not exceed 0.30% of each. For steel grade 12X1MF-PV, the carbon mass fraction is 0.11-0.15%, nickel, copper, sulfur and phosphorus ≤ 0.15% each, the mass fraction of the remaining elements is identical to 12X1MF steel. The presence of rare-earth elements introduced as technological additives is allowed.
According to TU 1308-226-0147016-02 the chemical composition is given for steel grade 12ХМФА. Pipes should be made of steel that has been modified by calcium and its alloys. Permissible deviations in the content of chemical elements in finished rolled products in accordance with GOST 4543. The content of metallurgical hydrogen in steel is not more than 2 ppm.
According to TU 108.1273-84, the chemical composition is given for steel grades 12X1MF-VD. Deviations in chemical composition are allowed: by carbon + 0.010%, for silicon + 0.050 / -0.020%, for manganese + 0.050 / -0.10% (for steel smelted by the VAR method) and -0.10% (for steel smelted in the electric arc furnace), in nickel + 0.10%.
According to GOST 5520-79 in the manufacture of steel scrap-process, the mass fraction of copper should not be more than 0.30%.
According to GOST 20072-74, when steel is scrap-process, the content of Cu ≤ 0.30%. Tungsten is allowed up to 0.20%, titanium up to 0.030%. When smelting steel by the method of electroslag remelting, the mass fraction of sulfur should not be more than 0.015%.
According to TU 14-1-1529-2003, TU 14-3-460-2003 and TU 14-3-341-75 for steel produced by scrap process or from cuprous ores, the mass fraction of residual copper and nickel is allowed up to 0.30 % of each. A technological addition of rare earth elements is allowed to improve the quality of the metal.
According to TU 14-3R-55-2001, the chemical composition is given for steel grade 12X1MF; For steel made by scrap-process or from cuprous ores, the content of copper and nickel is allowed to not exceed 0.30% of each. For steel grade 12X1MF-PV, the carbon mass fraction is 0.11-0.15%, nickel, copper, sulfur and phosphorus ≤ 0.15% each, the mass fraction of the remaining elements is identical to 12X1MF steel. The presence of rare-earth elements introduced as technological additives is allowed.
According to TU 1308-226-0147016-02 the chemical composition is given for steel grade 12ХМФА. Pipes should be made of steel that has been modified by calcium and its alloys. Permissible deviations in the content of chemical elements in finished rolled products in accordance with GOST 4543. The content of metallurgical hydrogen in steel is not more than 2 ppm.
According to TU 108.1273-84, the chemical composition is given for steel grades 12X1MF-VD. Deviations in chemical composition are allowed: by carbon + 0.010%, for silicon + 0.050 / -0.020%, for manganese + 0.050 / -0.10% (for steel smelted by the VAR method) and -0.10% (for steel smelted in the electric arc furnace), in nickel + 0.10%.
Mechanical characteristics
| Section, mm | t отпуска, °C | sT|s0,2, MPa | σB, MPa | d5, % | y, % | kJ/m2, кДж/м2 | Brinell hardness number, MPa | HRB |
|---|---|---|---|---|---|---|---|---|
| The sheets in the delivery condition on the other 108.1273-84 | ||||||||
| - | - | ≥294 | ≥441 | ≥20 | ≥60 | ≥1176 | - | - |
| - | - | ≥196 | ≥352.8 | ≥16 | ≥60 | - | - | - |
| Forgings. Normalization | ||||||||
| 100-300 | - | ≥215 | ≥430 | ≥20 | ≥48 | ≥481 | 123-167 | - |
| 300-500 | - | ≥215 | ≥430 | ≥18 | ≥40 | ≥432 | 123-167 | - |
| 500-800 | - | ≥215 | ≥430 | ≥16 | ≥35 | ≥383 | 123-167 | - |
| 100 | - | ≥215 | ≥430 | ≥24 | ≥53 | ≥530 | 123-167 | - |
| 100-300 | - | ≥245 | ≥470 | ≥19 | ≥42 | ≥383 | 143-179 | - |
| 300-500 | - | ≥245 | ≥470 | ≥17 | ≥35 | ≥334 | 143-179 | - |
| Pipe the seamless hot-deformed heat-treated in the delivery condition on the other 1308-226-0147016-02 (provided the toughness of the Charpy specimens at -60 °C, the proportion of a viscous component at -60 °C ≥70%) | ||||||||
| - | - | 386-512 | ≥512 | ≥25 | - | ≥1274 | - | ≤93 |
| Blank pieces of pipe fittings. Quenching in air or oil from 930-950 °C (exposure for 2.5-4.5 hours depending on the thickness and weight of the workpiece) with following tempering and air cooling | ||||||||
| ≤250 | 740-760 | ≥255 | ≥470 | ≥20 | ≥50 | ≥589 | 131-170 | - |
| Normalization at 950-1030 °C + Vacation at 680-760 °C | ||||||||
| - | - | 320-450 | 510-580 | 25-33 | 67-77 | - | - | - |
| Sheet 2, 3, 16, 18-20 categories, treated in the delivery condition | ||||||||
| ≤5 | - | ≥295 | 440-590 | ≥21 | - | - | - | - |
| Normalization at 950-1030 °C + Vacation at 680-760 °C | ||||||||
| - | - | 330 | 480-490 | 22 | 75 | - | - | - |
| Sheet 2, 3, 16, 18-20 categories, treated in the delivery condition | ||||||||
| ≤5 | - | ≥295 | 470-640 | ≥21 | - | - | - | - |
| Normalization at 950-1030 °C + Vacation at 680-760 °C | ||||||||
| - | - | 315-325 | 435-470 | 18-20 | 67-74 | - | - | - |
| Sheet 2, 3, 16, 18-20 categories, treated in the delivery condition | ||||||||
| 5-40 | - | ≥295 | 470-590 | ≥21 | - | ≥784 | - | - |
| Normalization at 950-1030 °C + Vacation at 680-760 °C | ||||||||
| - | - | 315-325 | 430-450 | 21-24 | 75 | - | - | - |
| Sheet 2, 3, 16, 18-20 categories, treated in the delivery condition | ||||||||
| 5-40 | - | ≥295 | 470-640 | ≥21 | - | ≥784 | - | - |
| Normalization at 950-1030 °C + Vacation at 680-760 °C | ||||||||
| - | - | 215-315 | 305-500 | 20-26 | 78-84 | - | - | - |
| Steel hot-rolled sheet on the other 14-1-687-73. Normalization + High holidays | ||||||||
| 1.4; 2.0; 3.0 | - | ≥294 | ≥490 | ≥21 | - | - | - | - |
| Normalization at 950-1030 °C + Vacation at 680-760 °C | ||||||||
| - | - | 205-245 | 295-440 | 22-28 | 66-84 | - | - | - |
| Forgings for parts resistant to the ICC. Normalization of 960-980 °C, air cooling + Vacation 740-760 °C in the air | ||||||||
| ≤250 | - | ≥255 | ≥470 | ≥20 | ≥50 | ≥589 | 131-167 | - |
| Normalization at 950-1030 °C + Vacation at 680-760 °C | ||||||||
| - | - | 185-265 | 225-440 | 23-38 | 74-85 | - | - | - |
| The longitudinal sample (from the pipe) with a diameter of 6 mm, length 30 mm. the Rate of deformation of 16 mm/min strain Rate of 0.009 1/s | ||||||||
| - | - | ≥73 | ≥82 | ≥36 | ≥85 | - | - | - |
| - | - | ≥51 | ≥66 | ≥44 | ≥97 | - | - | - |
| - | - | ≥44 | ≥60 | ≥54 | ≥98 | - | - | - |
| - | - | ≥35 | ≥50 | ≥60 | ≥100 | - | - | - |
| - | - | ≥30 | ≥42 | ≥56 | ≥100 | - | - | - |
| - | - | ≥23 | ≥31 | ≥58 | ≥100 | - | - | - |
| Rolled steel. Normalization at 910-930 °C, air cooling + Vacation at 670-690 °C, air cooling | ||||||||
| - | - | ≥235 | ≥410 | ≥21 | ≥45 | ≥579 | - | - |
| The longitudinal sample (from the pipe) with a diameter of 6 mm, length 30 mm. the Rate of deformation of 16 mm/min strain Rate of 0.009 1/s | ||||||||
| - | - | ≥14 | ≥18 | ≥55 | ≥100 | - | - | - |
| Rolled steel. Normalization at 960-980 °C, air cooling + Vacation at 700-750 °C, air cooling | ||||||||
| 90 | - | ≥255 | ≥470 | ≥21 | ≥55 | ≥961 | - | - |
| A pipe diameter of 273 mm with a wall thickness of 29 mm. Normalization at 980-1000 °C + Vacation at 740-760 °C | ||||||||
| - | - | ≥305 | ≥490 | 23-33 | 71-74 | - | - | - |
| Tubular billet + hot deformed Tubes (DH=57-465 mm) TU 14-3-460-2003. Normalization at 950-980 °C + Vacation at 720-750 °C (aged for at least 1 h), air cooling | ||||||||
| 20-25 | - | ≥255 | 440-640 | ≥18 | ≥45 | ≥490 | - | - |
| A pipe diameter of 273 mm with a wall thickness of 29 mm. Normalization at 980-1000 °C + Vacation at 740-760 °C | ||||||||
| - | - | ≥225 | ≥355 | ≥28 | ≥83 | - | - | - |
| Tubular billet + hot deformed Tubes (DH=57-465 mm) TU 14-3-460-2003. Normalization at 950-980 °C + Vacation at 720-750 °C (aged for at least 1 h), air cooling | ||||||||
| 20-25 | - | ≥255 | 470-640 | ≥21 | ≥55 | ≥590 | - | - |
| A pipe diameter of 273 mm with a wall thickness of 29 mm. Normalization at 980-1000 °C + Vacation at 740-760 °C | ||||||||
| - | - | ≥205 | ≥345 | ≥25 | ≥81 | - | - | - |
| - | - | ≥225 | ≥410 | ≥28 | ≥78 | - | - | - |
| Seamless pipes for steam boilers and pipelines from 12KH1MF steel grades and 12KH1MF-PV according to TU 14-3P-55-2001. Normalization at 950-980 °C + Vacation at 720-750 (extract 1-3 hours), air cooling | ||||||||
| - | - | ≥274 | 441-637 | ≥19 | ≥50 | ≥490 | - | - |
| A pipe diameter of 273 mm with a wall thickness of 29 mm. Normalization at 980-1000 °C + Vacation at 740-760 °C | ||||||||
| - | - | ≥205 | ≥390 | ≥25 | ≥80 | - | - | - |
| Seamless pipes for steam boilers and pipelines from 12KH1MF steel grades and 12KH1MF-PV according to TU 14-3P-55-2001. Normalization at 950-980 °C + Vacation at 720-750 (extract 1-3 hours), air cooling | ||||||||
| - | - | ≥274 | 441-637 | ≥21 | ≥55 | ≥590 | - | - |
| A pipe diameter of 273 mm with a wall thickness of 29 mm. Normalization at 980-1000 °C + Vacation at 740-760 °C | ||||||||
| - | - | ≥215 | ≥430 | ≥24 | ≥73 | - | - | - |
| Pipe cold-rolled fin on the other 14-3-341-75. Normalization at 960-990 °C (aged for at least 10 min) + Vacation at 720-750 °C (delay of 1-3 h), air cooling | ||||||||
| 32, 38, 50 | - | ≥275 | 442-638 | ≥21 | - | - | - | - |
| A pipe diameter of 273 mm with a wall thickness of 29 mm. Normalization at 980-1000 °C + Vacation at 740-760 °C | ||||||||
| - | - | ≥225 | ≥480 | ≥19 | ≥66 | - | - | - |
| - | - | ≥255 | ≥450 | ≥23 | ≥71 | - | - | - |
| - | - | ≥285 | ≥450 | ≥27 | ≥73 | - | - | - |
| - | - | ≥175 | ≥215 | ≥25 | ≥87 | - | - | - |
| Seamless pipes for steam boilers and pipelines from 12KH1MF steel grades and 12KH1MF-PV according to TU 14-3P-55-2001. Normalization at 950-980 °C + Vacation at 720-750 (extract 1-3 hours), air cooling | ||||||||
| - | ≥216 | - | - | - | - | - | - | |
| - | ≥206 | - | - | - | - | - | - | |
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 |
| HRB | Rockwell hardness (indenter steel, spherical) |
Physical characteristics
| Temperature | Е, ГПа | r, кг/м3 | l, Вт/(м · °С) | R, НОм · м | a, 10-6 1/°С |
|---|---|---|---|---|---|
| 0 | 198 | 7800 | - | 230 | - |
| 100 | 197 | 7780 | 44 | 278 | 124 |
| 200 | 188 | 7750 | 44 | 343 | 13 |
| 300 | 183 | 7720 | 42 | 430 | 136 |
| 400 | 175 | 7680 | 40 | 532 | 14 |
| 500 | 167 | 7640 | 37 | 647 | 144 |
| 600 | 157 | 7600 | 35 | 775 | 147 |
| 700 | 151 | 7570 | 32 | 926 | 149 |
| 800 | - | 7540 | 28 | 1087 | - |
| 900 | - | 7560 | 28 | 1130 | 148 |
| 1100 | - | - | - | - | 12 |
A description of the physical symbols
| Name | Description |
|---|---|
| Е | The normal elasticity modulus |
| G | Modulus of elasticity shear torsion |
| r | Density |
| l | Coefficient of thermal conductivity |
| R | UD. the resistivity |
Technological properties
| Name | The value |
|---|---|
| Weldability | limited weldability. Welding methods: SMAW, ADS under gas protection. Recommended heating and subsequent heat treatment. |
| Forging temperature | Start - 1240 °C, the end - 780 °C. the cross Sections up to 50 mm are cooled in stacks, 51-100 mm, in boxes of 500-600 mm are subjected to low temperature annealing. |
| Workability by cutting | In the normalized and tempered condition when NV≤138 and blower SB=460 MPa Kn TV.SPL.=1,50 Kn b.St.=Of 1.35. |
