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25Mn SAE 1026 UNS G10260 Carbon steel
Chemical Composition
The chemical composition of AISI 1026 carbon steel is outlined in the following table.
Element | Content (%) |
Iron, Fe | 98.73-99.18 |
Carbon, C | 0.220-0.280 |
Manganese, Mn | 0.60-0.90 |
Sulfur, S | ≤ 0.050 |
Phosphorous, P | ≤ 0.040 |
Physical Properties
The following table shows the physical properties of AISI 1026 carbon steel.
Properties | Metric | Imperial |
Density | 7.858 g/ cm3 | 0.2839 lb/in³ |
Mechanical Properties
The mechanical properties of cold drawn AISI 1026 carbon steel are displayed in the following table.
Properties | Metric | Imperial |
Tensile strength | 490 MPa | 71100 psi |
Yield strength | 415 MPa | 60200 psi |
Bulk modulus (typical for steel) | 140 GPa | 20300 ksi |
Shear modulus (typical for steel) | 80.0 GPa | 11600 ksi |
Elastic modulus | 190-210 GPa | 27557-30458 ksi |
Poisson's ratio | 0.27-0.30 | 0.27-0.30 |
Elongation at break (In 50 mm) | 15.00% | 15.00% |
Reduction of area | 40.00% | 40.00% |
Hardness, Brinell | 143 | 143 |
Hardness, Knoop (converted from Brinell hardness) | 163 | 163 |
Hardness, Rockwell B (converted from Brinell hardness) | 78 | 78 |
Hardness, Vickers (converted from Brinell hardness) | 149 | 149 |
Machinability (based on AISI 1212 steel as 100 machinability. The machinability of Group I bar, rod, and wire products can be improved by cold drawing.) | 75 | 75 |
Thermal Properties
The thermal properties of AISI 1026 carbon steel are given in the following table.
Properties | Metric | Imperial |
Thermal expansion co-efficient (@0.000-100°C/32-212°F) | 12.1 µm/m°C | 6.72 µin/in°F |
Thermal conductivity (0ºC) | 51.9 W/mK | 360 BTU in/hr.ft².°F |
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