ISO 683-4 Grade 11SMnPb30 untreated
ISO 683-4 Grade 11SMnPb30 untreated introduction
Free-cutting steel 11SMnPb30 is not intended for heat-treatment and is preferred 11SMnPb30 for higher machinability and surface appearance demands. Steel 11SMnPb30 shows lower crack sensitivity compared to higher S-containing steels (11SMn37, 11SMnPb37).
Application for bulk parts in car industry as well as in apparatus and equipment engineering.
Equivalent material: AS 12L14, GB Y15Pb, GB U72152, EN 1.0718, ISO 11SMnPb30, JIS SUM22L, KS SUM22L, SAE 12L15, UNS G12154, DIN 9SMnPb28, JIS SUM23L, KS SUM23L, SAE 12L13, UNS G12134, SAE 12L14, UNS G12144, DIN 1.0718, DIN 11SMnPb30, AFNOR S250Pb, AFNOR 11SMnPb30, BS 11SMnPb30, UNI CF9SMnPb28, SS 1914, UNE 11SMnPb28, AISI 1215, AISI 12L13, AISI 12L14, SAE 1215, JIS SUM24L, JIS 11SMnPb28, ISO 11SMnPb28, GB/T U72152, GB/T Y15Pb, UNS G12150
ISO 683-4 Grade 11SMnPb30 untreated general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
ISO 683-4 Grade 11SMnPb30 untreated thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1.1E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.18E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.32E-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 |
20.0 °C |
Specific heat capacity of 460 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 480 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 520 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 610 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 54.4 W/(m·K) |
- |
ISO 683-4 Grade 11SMnPb30 untreated chemical
| Property |
Value |
| Carbon |
Carbon of 0.14 % |
| Lead |
Lead of 0.2 - 0.35 % |
| Manganese |
Manganese of 0.9 - 1.3 % |
| Phosphorus |
Phosphorus of 0.11 % |
| Silicon |
Silicon of 0.05 % |
| Sulfur |
Sulfur of 0.27 - 0.33 % |
ISO 683-4 Grade 11SMnPb30 untreated magnetic
| Property |
Value |
Comment |
| Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
ISO 683-4 Grade 11SMnPb30 untreated electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 1.1E-7 Ω·m |
ISO 683-4 Grade 11SMnPb30 untreated mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 210 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 193 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 185 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 175 GPa |
- |
| Hardness, Brinell |
20.0 °C |
Hardness, Brinell of 107 - 169 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Low Carbon Steel |
| Shear modulus |
20.0 °C |
Shear modulus of 81 GPa |
- |
| Tensile strength |
20.0 °C |
Tensile strength of 360 - 570 MPa |
- |
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