Sep 20 2012
Topics Covered
IntroductionChemical CompositionPhysical PropertiesMechanical PropertiesThermal PropertiesOther Designations
Introduction
Steels containing carbon as the main alloying element are called carbon steels. They can have up to 0.4% silicon and 1.2% manganese. Elements such as chromium, nickel, aluminium, copper and molybdenum are also present in small quantities.
The following sections will discuss in detail about AISI 1023 carbon steel.
Chemical Composition
The chemical composition of AISI 1023 carbon steel is outlined in the following table.
| Element |
Content (%) |
| Iron, Fe |
99.06-99.51 |
| Manganese. Mn |
0.30-0.60 |
| Carbon, C |
0.19-0.25 |
| Sulfur, S |
≤ 0.050 |
| Phosphorous, P |
≤ 0.040 |
Physical Properties
The physical properties of AISI 1023 carbon steel are tabulated below.
| Properties |
Metric |
Imperial |
| Density |
7.858 g/cm3 |
0.2839 lb/in³ |
Mechanical Properties
The following table shows mechanical properties of old drawn AISI 1023 carbon steel.
| Mechanical Properties |
Metric |
Imperial |
| Tensile strength |
425 MPa |
61600 psi |
| Yield strength |
360 MPa |
52200 psi |
| Shear modulus |
80.0 GPa |
11600 ksi |
| Bulk modulus |
140 GPa |
20300 ksi |
| Elastic modulus |
190-210 GPa |
27557-30458 ksi |
| Poisson’s ratio |
0.27-0.30 |
0.27-0.30 |
| Elongation at break |
15% |
15% |
| Reduction of area |
40% |
40% |
| Hardness Brinell |
121 |
121 |
| Hardness, Knoop |
140 |
140 |
| Hardness, Rockwell B |
68 |
68 |
| Hardness, Vickers |
126 |
126 |
| Machinability |
65 |
65 |
Thermal Properties
The thermal properties of AISI 1023 carbon steel are given in the following table.
| Thermal Properties |
Metric |
Imperial |
| Thermal conductivity |
51.9 W/mK |
360 BTU in/hr.ft².°F |
Other Designations
Other designations that are equivalent to AISI 1023 carbon steel include:
- ASTM A29
- ASTM A510
- ASTM A575
- ASTM A576
- ASTM A659
- SAE J403
- SAE J412
- SAE J414