Sep 18 2012
Topics Covered
IntroductionChemical CompositionPhysical PropertiesMechanical PropertiesThermal PropertiesOther Designations
Introduction
Carbon steels are steels that contain only carbon as their specific alloying element. Traces of 0.4% silicon and 1.2% manganese can be found in these steels. Carbon steels also contain small quantities of residual elements such as copper, nickel, molybdenum, aluminium and chromium.
The following datasheet provides an overview of AISI 1026 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 |
Other Designations
Equivalent materials to AISI 1026 carbon steel are given in the following table.
| ASTM A29 |
ASTM A510 |
ASTM A512 |
ASTM A513 |
ASTM A519 |
| ASTM A545 |
ASTM A576 |
ASTM A830 |
MIL F-20670 |
MIL S-22698 |
| MIL S-24093 |
SAE J1397 |
SAE J403 |
SAE J412 |
SAE J414 |
| ASTM A273 |
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