Custom CNC Milling AISI 5140 Steel Parts

Our Capabilities

Our company is a precision CNC machining factory that has been in business for 18 years, since 2005. With over 40 CNC machines, we have the capability to machine more than 90 types of metals and plastics and can offer 30 types of surface treatments. Our machining tolerances can reach as low as +/- 0.0004 inches (0.01mm), making our operations highly efficient and precise. We offer additional services such as electric discharge wire cutting, gun drilling, grinding, tube and rod bending, and more. Our expertise and experience in precision CNC machining, coupled with our extensive range of capabilities, make us a reliable and trusted partner for all our customer's manufacturing needs.

characteristic

1. Chemical Composition:
- Carbon (C): 0.38-0.43%
- Silicon (Si): 0.15-0.35%
- Manganese (Mn): 0.70-0.90%
- Phosphorus (P): ≤ 0.035%
- Sulfur (S): ≤ 0.040%
- Chromium (Cr): 0.70-0.90%

2. Mechanical Properties:
- Tensile Strength: 925-1020 MPa
- Yield Strength: 785 MPa (min)
- Elongation at Break: 13-17%
- Hardness (Brinell): 179-235 HB

3. Thermal Properties:
- Melting Point: 1460°C (2660°F)
- Specific Heat Capacity: 0.46 J/g-°C

4. Advantages:
- High Strength:

AISI 5140 steel exhibits exceptional tensile strength and hardness, ensuring reliable performance in demanding applications.

- Machinability:

With its favorable composition and microstructure, AISI 5140 steel offers excellent machinability, enabling precise CNC milling operations with reduced tool wear.

- Versatility:

AISI 5140 steel's versatility makes it suitable for a wide range of applications, from automotive components to industrial machinery parts.

5. Disadvantages:
- Corrosion Susceptibility:

While AISI 5140 steel offers moderate corrosion resistance, it may be vulnerable to corrosion in aggressive environments, necessitating proper protection and maintenance.

- Weldability Challenges:

Welding AISI 5140 steel requires careful consideration of preheating, post-weld heat treatment, and filler material selection to avoid issues such as cracking and reduced mechanical properties.

Parts display

Application

1. Automotive Manufacturing:
- Gear Manufacturing:

CNC machining AISI 5140 steel produces high-strength gears, ensuring smooth and efficient power transmission in automotive transmissions and drivetrains.

- Suspension System:

Precision custom CNC milling AISI 5140 steel parts contribute to the durability and performance of suspension systems, enhancing vehicle stability and handling.

2. Aerospace Engineering:
- Aircraft Structures:

They are utilized in aircraft structures, providing structural integrity and reliability in critical components such as wing assemblies and fuselage sections.

- Engine Components:

Precision milling with AISI 5140 steel fabricates engine components with tight tolerances and exceptional mechanical properties, ensuring optimal performance and safety in aviation engines.

3. Industrial Machinery:
- Heavy Equipment Parts:

AISI 5140 steel is preferred for CNC machining heavy equipment parts like shafts, axles, and gears, offering superior strength and durability to withstand rugged operating conditions.

- Hydraulic Systems:

CNC precision milling produces AISI 5140 steel components for hydraulic systems, delivering precise functionality and resistance to corrosion and wear.

4. Renewable Energy Sector:
- Solar Energy:

Custom CNC milling AISI 5140 steel parts contribute to the construction of solar panel mounting structures, providing stability and longevity in photovoltaic systems.

- Hydroelectric Power:

They play a role in hydroelectric turbines, ensuring efficient power generation with their strength and resistance to environmental factors.

Parts process

Packaging and shipping

FAQ

Q: Are you a trading company or manufacturer?
A: We are a manufacturer.

Q: When was your company founded?
A: Our company was founded in 2005.

Q: How long can you reply after getting RFQ?
A: Within 24 hours.

Q: Can you provide a sample? Is it free or extra?
A: Yes, We can. Just need some sample costs.

Q: Can you sign NDA (Non-disclosure agreement)?
A: Yes, We can.

Q: Deliver time of mass production?
A: Usually 25-35 days, it depends.