| Grade : | 30KHN2MFА ( 30ХН2МФА ) |
| Substitute: | 30ХН2ВФА |
| Classification : | Alloy structurall steel |
| Equivalent grades: | Go here |
Chemical composition in % for grade 30KHN2MFА ( 30ХН2МФА )
| C | Si | Mn | Ni | S | P | Cr | Mo | V | Cu |
| 0.27 - 0.34 | 0.17 - 0.37 | 0.3 - 0.6 | 2 - 2.4 | max 0.025 | max 0.025 | 0.6 - 0.9 | 0.2 - 0.3 | 0.1 - 0.18 | max 0.3 |
Temperature of critical points for grade 30KHN2MFА ( 30ХН2МФА ).
| Ac1 = 720 , Ac3(Acm) = 830 , Ar3(Arcm) = 555 , Ar1 = 365 |
Mechanical properties under Т=20oС for grade 30KHN2MFА ( 30ХН2МФА )
| Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
| - | mm | - | MPa | MPa | % | % | kJ / m2 | - |
| Bar, GOST 4543-71 | Ø 25 | 880 | 785 | 10 | 40 | 880 | Guenching and drawing |
| Brinell hardness for 30KHN2MFА ( 30ХН2МФА ) (annealing) , GOST 4543-71 | HB 10 -1 = 269 MPa |
Physical properties for grade 30KHN2MFА ( 30ХН2МФА )
| 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 | 36 | 333 | |||
| 100 | 2.07 | 11.1 | 35 | 466 | ||
| 200 | 2.06 | 11.7 | 35 | 508 | ||
| 300 | 1.88 | 12.3 | 34 | 529 | ||
| 400 | 1.76 | 12.9 | 32 | 567 | ||
| 500 | 1.69 | 13.3 | 31 | 588 | ||
| 600 | 13.7 | 29 | ||||
| 700 | 28 | |||||
| 800 | 27 | |||||
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Equivalent steels for grade 30KHN2MFА ( 30ХН2МФА )
| Bulgaria | Poland | ||
| BDS | PN | ||
|
|
Types of delivery of grade 30KHN2MFА ( 30ХН2МФА )
| B03 - Metal forming treatment. Forgings |
| В22 - Graded and shaped rolling |
| B23 - Sheets and Strips |
| В32 - Graded and shaped rolling |
| В71 - Low-carbon steel wire |
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] |
30KHN2MFА ( 30ХН2МФА ) - Alloy structurall 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. |