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Topics covered
introduction
Chemical composition
Physical properties
Mechanical properties
Thermal properties
Other designations
Applications
introduction
Steels containing mainly carbon as an alloying element are called carbon steels. They contain about 1.2% manganese and 0.4% silicon. Nickel, aluminum, chromium, copper and molybdenum are also present in small amounts in carbon steels.
AISI 1008 carbon steel has excellent weldability, which includes throw, tip, spot and melt, and solderability. The following datasheet will provide more details on AISI 1008 carbon steel.
Chemical composition
The following table shows the chemical composition of AISI 1008 carbon steel.
| Element | Content (%) |
|---|---|
| Iron, Fe | 99.31-99.7% |
| Manganese, manganese | 0.30-0.50% |
| Carbon, C | 0.10% |
| Sulfur, S | 0.050% |
| Phosphorus, P | 0.040% |
Physical properties
The physical properties of AISI 1008 carbon steel are described in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Density (composition 0.06% C, 0.38% Mn, 0.01% Si, annealed at 925 ° C) | 7.872 g / cm3 | 0.2844 lb / in³ |
Mechanical properties
The mechanical properties of AISI 1008 cold drawn carbon steel are shown below.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 340 MPa | 49,300 psi |
| Yield strength (depending on mood) | 285 MPa | 41,300 psi |
| Elasticity module | 190-210 Gpa | 27557-30458 ksi |
| Bulk modulus (typical for steel) | 200 GPa | 29000 ksi |
| Shear modulus (typical for steel) | 80.0 GPa | 11600 ksi |
| Poisson coefficient | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 20% | 20% |
| Reduction of the area | 45% | 45% |
| Hardness, Brinell | 95 | 95 |
| Hardness, Knoop (converted from Brinell hardness) | 113 | 113 |
| Hardness, Rockwell B (converted from Brinell hardness) | 55 | 55 |
| Vickers hardness (converted from Brinell hardness) | 98 | 98 |
| Machinability (based on AISI 1212 steel as machinability 100) Machinability of group I bar, rod and wire products can be improved by cold drawing) | 55 | 55 |
Thermal properties
The thermal properties of AISI 1008 carbon steel are shown below.
| Properties | Metric | Imperial |
|---|---|---|
| Coefficient of thermal expansion (@ 0.000-100 ° C / 32-212 ° F) | 12.6 µm / m ° C | 7 µin / in ° F |
| Thermal conductivity (composition 0.06% C, 0.4% Mn; 0 ° C) | 65.2 W / mK | 452 BTU in / hr.ft². ° F |
Other designations
The materials equivalent to AISI 1008 carbon steel are as follows.
| AMS 5040F | AMS 5042F | AMS 5044D | AMS 5047Ac | AMS 5050F |
| AMS 5053C | ASTM A108 | ASTM A29 | ASTM A510 | ASTM A519 |
| ASTM A545 | ASTM A549 | ASTM A575 | ASTM A576 | SAE J403 |
| DEF QQ-S-698 (C1008) | MIL-S-11310 (CS1008) | DEF QQ-S-637 (C1008) | UNI CB 10 FU | SAE J1397 |
| SAE J412 | SAE J414 | ASTM A512 | ASTM A513 | ASTM A575 |
| ASTM A576 | ASTM A635 | ASTM A830 | DIN 1.0204 | |
Applications
AISI 1008 carbon steel is mainly used in extruded, cold struck, cold formed and cold pressed parts and shapes.
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