EN 10263-4 Grade 22B2 cold drawn, annealed to achieve spheroidized carbides and slightly skin passed
EN 10263-4 Grade 22B2 cold drawn, annealed to achieve spheroidized carbides and slightly skin passed introduction
The cold-upsettable steel 22 B 2 can be cold-formed with a medium to high rate of forming according to the usual forming methods. It is used for screws, bolts and pressed parts of strength class 8.8 in the thick and medium dimension range.
Equivalent material: ISO E1, JIS SWRCHB223, UNE F.1291-21B30F, DIN 23B2, DIN 1.5508, JIS SWRCHB220, JIS SWCHB223, EN 22B2, EN 1.5508
EN 10263-4 Grade 22B2 cold drawn, annealed to achieve spheroidized carbides and slightly skin passed general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.82 g/cm³ |
EN 10263-4 Grade 22B2 cold drawn, annealed to achieve spheroidized carbides and slightly skin passed thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
-100.0 °C |
Coefficient of thermal expansion of 1.08E-5 1/K |
- |
| - |
20.0 °C |
Coefficient of thermal expansion of 1.19E-5 1/K |
- |
| - |
100.0 °C |
Coefficient of thermal expansion of 1.25E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.3E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.36E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.41E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.45E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.49E-5 1/K |
- |
| Melting point |
- |
Melting point of 1480 - 1526 °C |
Typical for Low Carbon Steel |
| Specific heat capacity |
-100.0 °C |
Specific heat capacity of 423 J/(kg·K) |
- |
| - |
20.0 °C |
Specific heat capacity of 461 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 479 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 499 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 517 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 536 J/(kg·K) |
- |
| - |
500.0 °C |
Specific heat capacity of 558 J/(kg·K) |
- |
| - |
600.0 °C |
Specific heat capacity of 587 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 39.6 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 41 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 41 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 39.9 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 38.1 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 35.9 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 33.6 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 11 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 10.6 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 9.9 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 9 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 8.1 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 6.9 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 5.7 mm²/s |
- |
EN 10263-4 Grade 22B2 cold drawn, annealed to achieve spheroidized carbides and slightly skin passed chemical
| Property |
Value |
| Boron |
Boron of 1E-3 - 5E-3 % |
| Carbon |
Carbon of 0.19 - 0.25 % |
| Manganese |
Manganese of 0.5 - 0.8 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.4 % |
| Sulfur |
Sulfur of 0.035 % |
EN 10263-4 Grade 22B2 cold drawn, annealed to achieve spheroidized carbides and slightly skin passed magnetic
| Property |
Value |
Comment |
| Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
EN 10263-4 Grade 22B2 cold drawn, annealed to achieve spheroidized carbides and slightly skin passed electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 2.63E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 3.12E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.85E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.7E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.71E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.88E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 8.25E-7 Ω·m |
EN 10263-4 Grade 22B2 cold drawn, annealed to achieve spheroidized carbides and slightly skin passed mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
-100.0 °C |
Elastic modulus of 217 GPa |
- |
| - |
20.0 °C |
Elastic modulus of 212 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 207 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 199 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 192 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 184 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 175 GPa |
- |
| - |
600.0 °C |
Elastic modulus of 164 GPa |
- |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Low Carbon Steel |
| Reduction of area |
20.0 °C |
Reduction of area of 66 % |
- |
| Tensile strength |
20.0 °C |
Tensile strength of 480 - 500 MPa |
- |
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