| Grade : | 15KH12VNMF ( 15Х12ВНМФ ) ( 1Х12ВНМФ ЭИ802 ) |
| Classification : | High alloy high-temperature steel |
| Equivalent grades: | Go here |
Chemical composition in % for grade 15KH12VNMF ( 15Х12ВНМФ )
| C | Si | Mn | Ni | S | P | Cr | Mo | W | V | Ti | Cu |
| 0.12 - 0.18 | max 0.4 | 0.5 - 0.9 | 0.4 - 0.8 | max 0.025 | max 0.03 | 11 - 13 | 0.5 - 0.7 | 0.7 - 1.1 | 0.15 - 0.3 | max 0.2 | max 0.3 |
Temperature of critical points for grade 15KH12VNMF ( 15Х12ВНМФ ).
| Ac1 = 800 - 810 , Ac3(Acm) = 860 - 880 |
Mechanical properties under Т=20oС for grade 15KH12VNMF ( 15Х12ВНМФ )
| Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
| - | mm | - | MPa | MPa | % | % | kJ / m2 | - |
| Bar, GOST 5949-75 | 740 | 590 | 15 | 45 | 590 | |||
| Bar, GOST 18968-73 | 740 | 590-735 | 15 | 50 | 590 | Normalizing and drawing | ||
| Bars, GOST 5582-75 | 60 | 740 | 590 | 15 | 45 | 590 | Annealing 900 - 950oC, oven, Guenching 1000 - 1020oC, oil, Drawing 600 - 700oC, air, |
| Brinell hardness for 15KH12VNMF ( 15Х12ВНМФ ) (annealing) , Bar GOST 5949-75 | HB 10 -1 = 229 MPa |
| Brinell hardness for 15KH12VNMF ( 15Х12ВНМФ ) (normalize, tempering) , Bar GOST 18968-73 | HB 10 -1 = 229 - 269 MPa |
Technological properties for grade 15KH12VNMF ( 15Х12ВНМФ )
| Weldability: | hard weldability. |
Physical properties for grade 15KH12VNMF ( 15Х12ВНМФ )
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
| Grade | MPa | 1/Grade | Watt/(m·Grade) | kg/m3 | J/(kg·Grade) | Ohm·m |
| 20 | 2.16 | 7850 | ||||
| 100 | 10 | 24 | 477 | |||
| 200 | 10.5 | 25.5 | 498 | |||
| 300 | 2 | 10.7 | 25.9 | 545 | ||
| 400 | 1.94 | 11 | 26.3 | 625 | ||
| 500 | 1.84 | 11.2 | 26.8 | 741 | ||
| 600 | 1.66 | 11.6 | 27.2 | 896 | ||
| 700 | 27.2 | |||||
| 800 | 27.6 | |||||
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Equivalent steels for grade 15KH12VNMF ( 15Х12ВНМФ )
| Poland | |
| PN | |
|
Types of delivery of grade 15KH12VNMF ( 15Х12ВНМФ )
| В22 - Graded and shaped rolling |
| B23 - Sheets and Strips |
| В32 - Graded and shaped rolling |
| B33 - Sheets and Strips |
Specification :
| Mechanical properties : | |
| sв | - Tensile strength , [MPa] |
| sT | - Yield stress, [MPa] |
| d5 | - Specific elongation at fracture , [ % ] |
| y | - Reduction of area , [ % ] |
| KCU | - Impact strength , [ kJ / m2] |
| HB | - Brinell hardness , [MPa] |
Physical properties : | |
| T | - Test temperature , [Grade] |
| E | - Young modulus , [MPa] |
| a | - Coefficient of linear expansion (range 20o - T ) , [1/Grade] |
| l | - Termal (heat) condition coefficient , [Watt/(m·Grade)] |
| r | - Density , [kg/m3] |
| C | - Specific heat ( range 20o - T ), [J/(kg·Grade)] |
| R | - Electrical resistance , [Ohm·m] |
Weldability : | |
| without limitations | - welding is done without heating and subsequent heat treeting |
| limited weldability | - welding is possible under heating up to 100-120 grade and subsequent heat treeting |
| hard weldability | - obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing |
15KH12VNMF ( 15Х12ВНМФ ) - High alloy high-temperature steel: chemical composition, mechanical and physical properties, hardness
Database of steels and alloys (Marochnik) contains information about chemical composition and properties more then 3000 steels and alloys
| © 2003 - 2024 Database of Steel and Alloy (russian title is the Marochnik)
Administration of the Marochnik is not responsible for the content's use. |