Applications of Alloy Steel Round Bars
Alloy steel round bars are widely used across various industries, including:
- Automotive: Components such as shafts, axles, and gears.
- Aerospace: Parts subjected to high stress and temperature, including landing gear and engine components.
- Construction: Reinforcements and structural components in buildings and bridges.
- Oil and Gas: Drill rods, valves, and fittings that require high strength and corrosion resistance.
- Manufacturing: Tooling, dies, and machinery components that demand durability and precision.
Grades of Alloy Steel Round Bars
Alloy steel round bars come in various grades, each tailored for specific applications. Below is a table summarizing some common grades and their properties:
| Grade |
Chemical Composition |
Properties |
Applications |
| 4130 |
C: 0.28-0.33, Cr: 0.80-1.10, Mo: 0.15-0.25 |
Medium strength, good ductility |
Aircraft components, automotive parts |
| 4140 |
C: 0.38-0.43, Cr: 0.90-1.20, Mo: 0.15-0.25 |
High strength, excellent hardenability |
Gears, shafts, and axles |
| 4150 |
C: 0.48-0.55, Cr: 0.80-1.10, Mo: 0.15-0.25 |
Higher carbon content for better wear resistance |
Tooling and heavy-duty applications |
| 4340 |
C: 0.38-0.43, Cr: 0.70-0.90, Ni: 1.65-2.00 |
Exceptional toughness and fatigue resistance |
Aircraft, high-stress applications |
| 8620 |
C: 0.18-0.23, Cr: 0.40-0.60, Ni: 0.70-0.90 |
Good core strength with case hardening potential |
Gears, crankshafts, and machine parts |
Titan Steel & Engineers Related Products:
Carbon Steel, Alloy Steel, Bright Steel, Spring Steel, Die Steel & Tool Steel, Special Alloy Steel
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