JIS G4403 Grade SKH55
Equivalent material: GOST R6M5K5, DIN S6-5-2-5, NF HS6-5-2-5, NF HS6-5-2-5HC, BS BM35, UNI HS6-5-2-5, EN HS6-5-2-5, SIS 2723, GB/T W6Mo5Cr4V2Co5, DIN 1.3243, DIN S 6-5-2-5, DIN HS6-5-2-5, AFNOR Z85WDKCV06-05-05-04-02, AFNOR Z90WDKCV06-05-05-04-02, AFNOR HS6-5-2-5HC, AFNOR HS6-5-2-5, AFNOR 6-5-2-5HC, AFNOR 6-5-2-5, BS SIL 10 (Spec), BS HS6-5-2-5, SS 2723, UNE 6-5-2-5, AISI M35, SAE M35, EN 1.3243, ISO HS6-5-2-5, GB/T T76545, ASTM Type M35
JIS G4403 Grade SKH55 general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.72 - 8 g/cm³ |
Typical for Tool And Machining Steel |
JIS G4403 Grade SKH55 thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1E-5 - 1.3E-5 1/K |
Typical for Tool And Machining Steel |
| Melting point |
- |
Melting point of 1370 - 1425 °C |
Typical for Tool And Machining Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 420 - 460 J/(kg·K) |
Typical for Tool And Machining Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 17 - 42 W/(m·K) |
Typical for Tool And Machining Steel |
JIS G4403 Grade SKH55 chemical
| Property |
Value |
| Carbon |
Carbon of 0.85 - 0.95 % |
| Chromium |
Chromium of 3.8 - 4.5 % |
| Cobalt |
Cobalt of 4.5 - 5.5 % |
| Copper |
Copper of 0.25 % |
| Iron |
Iron of 73.49 - 78.85 % |
| Manganese |
Manganese of 0.4 % |
| Molybdenum |
Molybdenum of 4.6 - 5.3 % |
| Nickel |
Nickel of 0.25 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.4 % |
| Sulfur |
Sulfur of 0.03 % |
| Tungsten |
Tungsten of 5.7 - 6.7 % |
| Vanadium |
Vanadium of 1.7 - 2.2 % |
JIS G4403 Grade SKH55 mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 203 - 211 GPa |
Typical for Tool And Machining Steel |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Tool And Machining Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 79 GPa |
Typical for Tool And Machining Steel |
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