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SAE 1117 AISI 1117 UNS G11170 Free cutting steel
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.
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 |
The following table shows physical properties of AISI 1117 carbon steel.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm3 | 0.284 lb/in³ |
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 |
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 |
Other designations that are equivalent to AISI 1117 carbon steel include:
AMS 5022
ASTM A108 (1117)
ASTM A29 (1117)
ASTM A510 (1117)
ASTM A512 (1117)
ASTM A576 (1117)
SAE J1397 (1117)
SAE J403 (1117)
SAE J412 (1117)
AMS 5022G
ASTM A107
QQ-S-637 (1117)
MIL-S-18411
SAE J414
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