| Grade : | 3KH3M3F ( 3Х3М3Ф ) |
| Classification : | Die tool steel |
| Equivalent grades: | Go here |
Chemical composition in % for grade 3KH3M3F ( 3Х3М3Ф )
| C | Si | Mn | Ni | S | P | Cr | Mo | V | Cu |
| 0.27 - 0.34 | 0.1 - 0.4 | 0.2 - 0.5 | max 0.4 | max 0.03 | max 0.03 | 2.8 - 3.5 | 2.5 - 3 | 0.4 - 0.6 | max 0.3 |
Temperature of critical points for grade 3KH3M3F ( 3Х3М3Ф ).
| Ac1 = 815 , Ac3(Acm) = 875 , Ar3(Arcm) = 820 , Ar1 = 760 , Mn = 340 |
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 | 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 |
Physical properties for grade 3KH3M3F ( 3Х3М3Ф )
| 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 |
Equivalent steels for grade 3KH3M3F ( 3Х3М3Ф )
| USA | Germany | Japan | France | England | European | Italy | Spain | Bulgaria | Hungary | Poland | Romania | Czechia | Austria | |||||||||||||||||||||||||||||||||
| - | DIN,WNr | JIS | AFNOR | BS | EN | UNI | UNE | BDS | MSZ | PN | STAS | CSN | ONORM | |||||||||||||||||||||||||||||||||
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Types of delivery of grade 3KH3M3F ( 3Х3М3Ф )
| В22 - Graded and shaped rolling |
| B31 - Blanks, Blanks, Slabs |
| 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] |
3KH3M3F ( 3Х3М3Ф ) - Die tool steel: chemical composition, mechanical and physical properties, hardness
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