| Grade : | 4KHV2S ( 4ХВ2С ) |
| Substitute: | 4Х5В2ФС, 3Х2В8Ф, 4Х8В2, 4Х3В8М, 4Х3В2М2 |
| Classification : | Die tool steel |
| Equivalent grades: | Go here |
Chemical composition in % for grade 4KHV2S ( 4ХВ2С )
| C | Si | Mn | Ni | S | P | Cr | W | Cu |
| 0.35 - 0.45 | 0.6 - 0.9 | 0.15 - 0.4 | max 0.35 | max 0.03 | max 0.03 | 1 - 1.3 | 2 - 2.5 | max 0.3 |
Temperature of critical points for grade 4KHV2S ( 4ХВ2С ).
| Ac1 = 780 , Ac3(Acm) = 840 , Mn = 315 |
Mechanical properties under Т=20oС for grade 4KHV2S ( 4ХВ2С )
| Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
| - | mm | - | MPa | MPa | % | % | kJ / m2 | - |
| Steel | 1470 | 1300 | 8 | 35 | 290 | Guenching 880oC, oil, |
| Brinell hardness for 4KHV2S ( 4ХВ2С ) (annealing) , | HB 10 -1 = 229 MPa |
Technological properties for grade 4KHV2S ( 4ХВ2С )
| Weldability: | is not used. |
| Flakes : | predisposed |
| Temper brittleness: | not predisposed |
Equivalent steels for grade 4KHV2S ( 4ХВ2С )
| Germany | |
| DIN,WNr | |
|
Types of delivery of grade 4KHV2S ( 4ХВ2С )
| 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] |
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 |
4KHV2S ( 4ХВ2С ) - Die tool steel: chemical composition, mechanical and physical properties, hardness
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