DIN 1651 Grade 9SMn28 cold drawn
DIN 1651 Grade 9SMn28 cold drawn introduction
Balanced machining steel 9 SMn 28 is the standard grade for all mass turning tools and should be the substitution of the 9 S 20. The steel is suited for thin walled parts and little cold forming.
Application: automotive engineering, toolbuilding, apparatus engineering
Equivalent material: CSN 11109, AFNOR S250, BS 080M15, ISO 11SMn28, UNI CF9SMn28, JIS SUM22, PN A10X, SS 1912-04, VSM 9SMn28, UNE F.2111-11SMn28, SAE 1213, DIN 11SMn30, DIN 1.0715, AFNOR 11SMn30, BS 230M07, BS 11SMN30, BS 220M07, UNI 9SMn23, SS 1912, UNE 11SMn28, AISI 1213, AISI 1215, SAE 1215, JIS 11SMn28, JIS SUM23, EN 11SMn30, EN 1.0715, ISO 11SMn30, GB/T U71152, GB/T Y15, UNS G12130, UNS G12150
DIN 1651 Grade 9SMn28 cold drawn general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
DIN 1651 Grade 9SMn28 cold drawn 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 1.1E-5 - 1.25E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.18E-5 - 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 1.32E-5 - 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 |
- |
| Max service temperature |
- |
Max service temperature of 500 °C |
Typical for Carbon Steel |
| 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 460 - 461 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 479 - 480 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 499 - 520 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 517 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 536 - 610 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 54.4 - 57.5 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 55.7 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 51.9 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 47.6 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 43.4 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 39.6 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 36 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 15.9 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 14.3 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 12.5 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 10.8 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 9.2 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 7.6 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 6.1 mm²/s |
- |
DIN 1651 Grade 9SMn28 cold drawn chemical
| Property |
Value |
| Carbon |
Carbon of 0.14 % |
| Manganese |
Manganese of 0.9 - 1.3 % |
| Phosphorus |
Phosphorus of 0.1 % |
| Silicon |
Silicon of 0.05 % |
| Sulfur |
Sulfur of 0.27 - 0.33 % |
DIN 1651 Grade 9SMn28 cold drawn magnetic
| Property |
Value |
Comment |
| Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
DIN 1651 Grade 9SMn28 cold drawn electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 1.1E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 2.3E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.04E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 3.94E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.01E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.25E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 7.7E-7 Ω·m |
DIN 1651 Grade 9SMn28 cold drawn mechanical
| Property |
Temperature |
Value |
| Elastic modulus |
-100.0 °C |
Elastic modulus of 217 GPa |
| - |
20.0 °C |
Elastic modulus of 210 - 212 GPa |
| - |
100.0 °C |
Elastic modulus of 207 GPa |
| - |
200.0 °C |
Elastic modulus of 193 - 199 GPa |
| - |
300.0 °C |
Elastic modulus of 185 - 192 GPa |
| - |
400.0 °C |
Elastic modulus of 175 - 184 GPa |
| - |
500.0 °C |
Elastic modulus of 175 GPa |
| - |
600.0 °C |
Elastic modulus of 164 GPa |
| Elongation |
20.0 °C |
Elongation of 6 - 10 % |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.28 [-] |
| - |
25.0 °C |
Poisson's ratio of 0.28 - 0.29 [-] |
| Shear modulus |
20.0 °C |
Shear modulus of 81 GPa |
| Tensile strength |
20.0 °C |
Tensile strength of 380 - 810 MPa |
| Yield strength |
20.0 °C |
Yield strength of 245 - 440 MPa |
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