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Steel and Alloy -Tool steel 3KH3M3F / 3Х3М3Ф
Characteristics for grade 3KH3M3F ( 3Х3М3Ф )
Grade: 3KH3M3F ( 3Х3М3Ф )
Classification: Die tool steel
Chemical Composition in % for grade 3KH3M3F ( 3Х3М3Ф )
C:0.27-0.34
Si: 0.1-0.4
Mn: 0.2-0.5
Ni:0.4 max
S: 0.03 max
P: 0.03max
Cr: 2.8-3.5
Mo:2.5-3
V: 0.4-0.6
Cu: 0.3max
Mechanical properties under Т=20oС for grade 3KH3M3F ( 3Х3М3Ф )
Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
- | mm | - | MPa | MPa | % | % | kJ / m2 | - |
Steel |
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| 1670 | 1470 |
| 50 | 220 | Guenching 1040oC, oil, Drawing 600oC, 2h, |
Brinell hardness for 3KH3M3F ( 3Х3М3Ф ) (heat treatment) , GOST 5950-2000 | HB 10 -1 = 229 MPa |
| 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 | 2.07 | 32 | 7828 | 314 | ||
| 100 | 34 | 7808 | 365 | |||
| 200 | 36 | 7783 | 430 | |||
| 300 | 1.77 | 36 | 7754 | 515 | ||
| 400 | 36 | 7721 | 600 | |||
| 500 | 36 | 7684 | 710 | |||
| 600 | 34 | 7642 | 835 | |||
| 700 | 34 | 7597 | 965 | |||
| 800 | 33 | 7565 | 1118 | |||
| 900 | 34 | 7525 | 1151 | |||
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
USA | Germany | Japan | France | England | European | Italy | Spain | Bulgaria | Hungary | Poland | Romania | Czechia | Austria | |||||||||||||||||||||||||||||||||
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| В22 - Graded and shaped rolling |
| B31 - Blanks, Blanks, Slabs |
| В32 - Graded and shaped rolling |
| B33 - Sheets and Strips |
| 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] |