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AISI 1117 Carbon Steel (UNS G11170)
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Introduction Carbon is the main alloying element found in carbon steels. Chromium, nickel, copper, molybdenum, and aluminium are present in small quantities. These steels contain 0.4% of silicon and 1.2% of manganese. AISI 1117 carbon steel contains more manganese than other lower-carbon steels in order to ensure good hardenability. The following datasheet will discuss in detail about AISI 1117 carbon steel. Chemical Composition The chemical composition of AISI 1117 carbon steel is tabulated ...
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Introduction
Carbon is the main alloying element found in carbon steels. Chromium, nickel, copper, molybdenum, and aluminium are present in small quantities. These steels contain 0.4% of silicon and 1.2% of manganese.
AISI 1117 carbon steel contains more manganese than other lower-carbon steels in order to ensure good hardenability.
The following datasheet will discuss in detail about AISI 1117 carbon steel.
Chemical Composition
The chemical composition of AISI 1117 carbon steel is tabulated below.
| Element | Content (%) |
|---|---|
| Iron, Fe | 98.33 – 98.78 |
| Manganese, Mn | 1.0 – 1.30 |
| Carbon, C | 0.14 – 0.20 |
| Sulfur, S | 0.080 – 0.13 |
| Phosphorous, P | 0.040 |
Physical Properties
The following table shows physical properties of AISI 1117 carbon steel.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm3 | 0.284 lb/in³ |
Mechanical Properties
The mechanical properties of AISI 1117 carbon steel are outlined in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 475 MPa | 68900 psi |
| Yield strength | 400 MPa | 58000 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% | 15% |
| Reduction of area | 40% | 40% |
| Hardness, Brinell | 137 | 137 |
| Hardness, Knoop (converted from Brinell hardness) | 156 | 156 |
| Hardness, Rockwell B (converted from Brinell hardness) | 75 | 75 |
| Hardness, Vickers (converted from Brinell hardness) | 143 | 143 |
Thermal Properties
The thermal properties of AISI 1117 carbon steel are given in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Thermal conductivity (typical steel) | 49.8 W/mK | 346 BTU in/hr.ft².°F |
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