JIS G4404 Grade SKD7
Equivalent material: GOST 3H3M3F, DIN X32CrMoV33, S-Liste X32CrMoV33, NF 30DCV28, BS USA H10, BS BH10, UNI 30CrMoV1227KU, EN 32CrMoV12-28, UNE F.520.O, UNE 30CrMoV12, ASTM H10, AISI H10, DIN 1.2365, DIN X32CrMoV3-3, DIN 32CrMoV12-28, AFNOR 32CDV12-28, BS 32CrMoV12-28, SAE H10, EN 32CDV12-28, EN 1.2365, ISO 32CrMoV12-28, GOST 3Ch3M3F, GB/T 4Cr3Mo3SiV, GB/T T20303, ASTM Type H10, UNS T20810
JIS G4404 Grade SKD7 general
Property |
Temperature |
Value |
Comment |
Density |
23.0 °C |
Density of 7.72 - 8 g/cm³ |
Typical for Tool And Machining Steel |
JIS G4404 Grade SKD7 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 G4404 Grade SKD7 chemical
Property |
Value |
Carbon |
Carbon of 0.28 - 0.38 % |
Chromium |
Chromium of 2.5 - 3.5 % |
Copper |
Copper of 0.25 % |
Iron |
Iron of 90.76 - 94.32 % |
Manganese |
Manganese of 0.6 % |
Molybdenum |
Molybdenum of 2.5 - 3 % |
Nickel |
Nickel of 0.25 % |
Phosphorus |
Phosphorus of 0.03 % |
Silicon |
Silicon of 0.5 % |
Sulfur |
Sulfur of 0.03 % |
Vanadium |
Vanadium of 0.4 - 0.7 % |
JIS G4404 Grade SKD7 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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