Automobile Shock Absorber Cylinder Seamless Carbon Steel Tube
Material, Specification, Key Features
Automobile shock absorber cylinder seamless carbon steel tubes play a crucial role in ensuring the smooth functioning and durability of automotive suspension systems. These tubes are designed to withstand the rigorous conditions encountered on the road while effectively dampening vibrations and impacts, thereby enhancing vehicle stability and ride comfort.
Material: Seamless carbon steel
Specification: Customizable based on specific automotive requirements
Key Features:
Seamless construction ensures uniformity and strength
High tensile strength to withstand varying loads and pressures
Excellent shock absorption properties
Precision manufacturing for consistent performance
Corrosion resistance for prolonged service life
Chemical Composition
| Element | Composition (%) |
| Carbon (C) | 0.12 - 0.20 |
| Manganese (Mn) | 0.30 - 0.80 |
| Silicon (Si) | 0.15 - 0.35 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
Mechanical Properties
| Property | Value |
| Tensile Strength | 450 - 650 MPa |
| Yield Strength | ≥ 350 MPa |
| Elongation (%) | ≥ 20 |
| Hardness (HB) | 130 - 180 |
Physical Properties
| Property | Value |
| Density | 7.85 g/cm³ |
| Melting Point | 1425°C |
| Thermal Conductivity | 51.9 W/m·K |
| Specific Heat Capacity | 0.475 J/g·K |
Process Performance
| Property | Performance |
| Machinability | Excellent |
| Weldability | Good |
| Formability | High |
| Heat Treatment | Annealing, Normalizing, Quenching, Tempering |
Steel Grade
The steel grades commonly used for automobile shock absorber cylinder seamless carbon steel tubes include:
SAE 1020: A versatile grade known for its good machinability and weldability.
SAE 1045: Offering higher strength and wear resistance compared to SAE 1020, suitable for heavy-duty applications.
Application
Automobile shock absorber cylinder seamless carbon steel tubes find widespread application in various automotive suspension systems, including:
Passenger cars
Trucks
SUVs
Commercial vehicles
Racing vehicles
Possible Alternative Grades
While SAE 1020 and SAE 1045 are commonly used grades, alternative materials such as alloy steel (e.g., AISI 4130) or stainless steel (e.g., AISI 304) may be considered for specific applications where higher strength, corrosion resistance, or specialized properties are required.
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