Expansion View
Carbon Steel
Carbon steel has a moderate coefficient of thermal expansion and is widely used in frames, shafts, pressure vessels, and machine components.
Linear CTE
≈ 12
Unit
×10⁻⁶ K⁻¹
Coefficient Reference Table
Common Engineering Metal| Material | Typical α | Approx. Range | Typical Use |
|---|---|---|---|
| Carbon Steel | ≈ 12 ×10⁻⁶ K⁻¹ | 11–13 | Machine frames, shafts, pressure vessels |
Expansion View
Aluminum Alloy
Aluminum expands more than steel for the same temperature change. Thermal expansion should be considered in heat exchangers, rails, and precision assemblies.
Linear CTE
≈ 23
Unit
×10⁻⁶ K⁻¹
Coefficient Reference Table
Lightweight Engineering Metal| Material | Typical α | Approx. Range | Typical Use |
|---|---|---|---|
| Aluminum Alloy | ≈ 23 ×10⁻⁶ K⁻¹ | 21–24 | Heat exchangers, aircraft, housings |
Expansion View
Stainless Steel 304
Austenitic stainless steel generally has a higher thermal expansion coefficient than carbon steel, especially across elevated-temperature operating ranges.
Linear CTE
≈ 17.3
Unit
×10⁻⁶ K⁻¹
Coefficient Reference Table
Corrosion-Resistant Metal| Material | Typical α | Approx. Range | Typical Use |
|---|---|---|---|
| Stainless Steel 304 | ≈ 17.3 ×10⁻⁶ K⁻¹ | 16–18 | Process equipment, piping, food machinery |