ISO 4957 Grade X155CrMoV12-1 soft annealed (+A)
ISO 4957 Grade X155CrMoV12-1 soft annealed (+A) introduction
Properties:
- good dimensional stability
- high wear resistance
- best toughness of the high chromium and high carbon alloyed group
- able for nitriding
Application:
- for high power cutting and stamping tools for sheet thickness up to 5 mm, roll and blade knifes up to 4mm sheet thickness
- cold pilger mandrils, thread roll tools
- dies for cold forming, flanges, bead and truing rolls
- form and calibration rolls for the continuous profile and tubing production from strip steel
- cut-off tools in the paper and plastic industry
- tools for machining of wood
- dies for plastics
Equivalent material: GB Cr12MoV, AFNOR Z160CDV12, BS BD2, ISO 160CrMoV12, UNI X155CrVMo121KU, JIS SKD11, STAS 155MoVCr11-5, SS 2310, UNE F.520.A, MSZ KB, SAE D2, DIN X153CrMoV12, DIN 1.2379, DIN X155CrVMo12-1, AFNOR X153CrMoV12, AFNOR X160CrMoV12, BS X153CrMoV12, UNE X153CrMoV12, AISI D2, JIS SKD10, EN X153CrMoV12, EN X160CrMoV121, EN 1.2379, ISO X153CrMoV12, GOST Ch12MF, GB/T Cr12Mo1V1, GB/T T21202, ASTM D2, ASTM Type D2, ASTM Grade CD-2, UNS T30402, UNS T90402
ISO 4957 Grade X155CrMoV12-1 soft annealed (+A) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.68 g/cm³ |
ISO 4957 Grade X155CrMoV12-1 soft annealed (+A) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
-100.0 °C |
Coefficient of thermal expansion of 8.6E-6 1/K |
- |
| - |
20.0 °C |
Coefficient of thermal expansion of 1.01E-5 1/K |
- |
| - |
100.0 °C |
Coefficient of thermal expansion of 1.07E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.13E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.18E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.22E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.25E-5 1/K |
- |
| Melting point |
- |
Melting point of 1370 - 1425 °C |
Typical for Tool And Machining Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 439 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 31.9 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 31.5 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 30.9 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 29.7 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 28.6 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 27.6 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 9.5 mm²/s |
- |
ISO 4957 Grade X155CrMoV12-1 soft annealed (+A) chemical
| Property |
Value |
| Carbon |
Carbon of 1.5 - 1.6 % |
| Chromium |
Chromium of 11 - 12 % |
| Manganese |
Manganese of 0.15 - 0.45 % |
| Molybdenum |
Molybdenum of 0.6 - 0.8 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.1 - 0.4 % |
| Sulfur |
Sulfur of 0.03 % |
| Vanadium |
Vanadium of 0.9 - 1.1 % |
ISO 4957 Grade X155CrMoV12-1 soft annealed (+A) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 4.53E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 5.15E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 5.96E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 6.95E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 7.98E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 9.08E-7 Ω·m |
ISO 4957 Grade X155CrMoV12-1 soft annealed (+A) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 215 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 211 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 204 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 198 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 191 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 182 GPa |
- |
| 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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