| Grade : | R18K5F2 ( Р18К5Ф2 ) |
| Classification : | High speed tool steel |
| Equivalent grades: | Go here |
Chemical composition in % for grade R18K5F2 ( Р18К5Ф2 )
| C | Si | Mn | Ni | S | P | Cr | Mo | W | V | Co | Cu |
| 0.85 - 0.95 | 0.2 - 0.5 | 0.2 - 0.5 | max 0.6 | max 0.03 | max 0.03 | 3.8 - 4.4 | max 1 | 17 - 18.5 | 1.8 - 2.2 | 4.7 - 5.2 | max 0.25 |
Temperature of critical points for grade R18K5F2 ( Р18К5Ф2 ).
| Ac1 = 830 , Ar1 = 750 |
| Brinell hardness for R18K5F2 ( Р18К5Ф2 ) (annealing) , GOST 19265-73 | HB 10 -1 = 285 MPa |
Equivalent steels for grade R18K5F2 ( Р18К5Ф2 )
| USA | Germany | Japan | France | England | European | Italy | Spain | China | Bulgaria | Czechia | Austria | ||||||||||||||||
| - | DIN,WNr | JIS | AFNOR | BS | EN | UNI | UNE | GB | BDS | CSN | ONORM | ||||||||||||||||
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Types of delivery of grade R18K5F2 ( Р18К5Ф2 )
| В22 - Graded and shaped rolling |
| 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] |
R18K5F2 ( Р18К5Ф2 ) - High speed tool 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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