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AISI 1065 C67S SWRH67B C67W 1.0612 Carbon Steel
Steels containing carbon as the major alloying element are called carbon steels. They may also contain up to 1.2% manganese and 0.4% silicon. Residual elements such as copper, molybdenum, aluminium, chromium and nickel are also present in these steels.
AISI 1065 carbon steel is a high-carbon steel, which has high tensile strength and heat treatable.
The following sections will give an overview of AISI 1065 carbon steel in detail.
The chemical composition of AISI 1065 carbon steel is outlined in the following table.
| Element | Content (%) |
|---|---|
| Iron, Fe | 98.31 - 98.8 |
| Manganese, Mn | 0.60 - 0.90 |
| Carbon, C | 0.60 - 0.70 |
| Sulfur, S | 0.05 |
| Phosphorous, P | 0.04 |
The physical properties of AISI 1065 carbon steel are tabulated below.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm3 | 0.284 lb/in³ |
The following table shows mechanical properties of cold drawn AISI 1065 carbon steel.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate | 635 MPa | 92100 psi |
| Tensile strength, yield | 490 MPa | 71100 psi |
| Modulus of elasticity | 200 GPa | 29007 ksi |
| Bulk modulus (typical for steel) | 140 GPa | 20300 ksi |
| Shear modulus (typical for steel) | 80 GPa | 11600 ksi |
| Poissons ratio (typical for steel) | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 10% | 10% |
| Reduction of area | 45% | 45% |
| Hardness, Brinell | 187 | 187 |
| Hardness, Knoop (converted from Brinell hardness) | 209 | 209 |
| Hardness, Rockwell B (converted from Brinell hardness) | 90 | 90 |
| Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only) | 10 | 10 |
| Hardness, Vickers (converted from Brinell hardness) | 196 | 196 |
| Machinability (based on AISI 1212 steel. as 100 machinability) | 60 | 60 |
The thermal properties of AISI 1065 carbon steel are given in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Thermal conductivity | 49.8 W/mK | 346 BTU in/hr.ft².°F |
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