| Grade : | KH12F1 ( Х12Ф1 ) |
| Substitute: | Х6ВФ, Х6В3ФМ |
| Classification : | Die tool steel |
| Equivalent grades: | Go here |
Chemical composition in % for grade KH12F1 ( Х12Ф1 )
| C | Si | Mn | Ni | S | P | Cr | V | Cu |
| 1.25 - 1.45 | 0.1 - 0.4 | 0.15 - 0.45 | max 0.4 | max 0.03 | max 0.03 | 11 - 12.5 | 0.7 - 0.9 | max 0.3 |
Temperature of critical points for grade KH12F1 ( Х12Ф1 ).
| Ac1 = 810 , Ac3(Acm) = 860 , Ar3(Arcm) = 780 , Ar1 = 760 , Mn = 225 |
| Brinell hardness for KH12F1 ( Х12Ф1 ) (annealing) , GOST 5950-2000 | HB 10 -1 = 255 MPa |
Technological properties for grade KH12F1 ( Х12Ф1 )
| Weldability: | is not used. |
| Flakes : | not predisposed |
| Temper brittleness: | not predisposed |
Physical properties for grade KH12F1 ( Х12Ф1 )
| 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 | 640 |
Equivalent steels for grade KH12F1 ( Х12Ф1 )
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| - | DIN,WNr | JIS | AFNOR | BS | UNI | UNE | SS | ONORM | ||||||||||
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Types of delivery of grade KH12F1 ( Х12Ф1 )
| В32 - Graded and shaped rolling |
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 |
KH12F1 ( Х12Ф1 ) - Die tool steel: chemical composition, mechanical and physical properties, hardness
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