| Grade : | 15Kh2M2FBS ( 15Х2М2ФБС ) |
| Classification : | Low alloy high-temperature steel |
| Equivalent grades: | Is absent |
Chemical composition in % for grade 15Kh2M2FBS ( 15Х2М2ФБС )
| C | Si | Mn | Ni | S | P | Cr | Mo | V | Nb | Cu |
| 0.13 - 0.18 | 0.7 - 1 | 0.5 - 0.8 | max 0.3 | max 0.03 | max 0.03 | 1.8 - 2.3 | 1.2 - 1.5 | 0.25 - 0.4 | 0.08 - 0.15 | max 0.3 |
Temperature of critical points for grade 15Kh2M2FBS ( 15Х2М2ФБС ).
| Ac1 = 780 - 830 , Ac3(Acm) = 1020 - 1040 , Ar3(Arcm) = 830 |
Mechanical properties under Т=20oС for grade 15Kh2M2FBS ( 15Х2М2ФБС )
| Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
| - | mm | - | MPa | MPa | % | % | kJ / m2 | - |
| Pipe | longitudinal | 550 | 380 | 18 | 50 | 600 | ||
| Pipe | dihedral | 550 | 380 | 16 | 45 | 500 | ||
| Forging | longitudinal | 640 | 450 | 17 | 50 | 500 |
| Brinell hardness for 15Kh2M2FBS ( 15Х2М2ФБС ) , | HB 10 -1 = 180 - 197 MPa |
Physical properties for grade 15Kh2M2FBS ( 15Х2М2ФБС )
| 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 | 2.24 | 7850 | 450 | |||
| 100 | 2.19 | 12 | 34.8 | 460 | ||
| 200 | 34.3 | 520 | ||||
| 300 | 2.05 | 34.1 | 600 | |||
| 400 | 14.5 | 33.9 | 670 | |||
| 500 | 1.87 | 33.7 | 770 | |||
| 600 | 1.76 | 33.5 | 950 | |||
| 700 | 1.64 | |||||
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
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] |
15Kh2M2FBS ( 15Х2М2ФБС ) - Low 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
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