High-Quality CNC Precision Machining of Carbon Steel Forgings for Automotive

Product Overview

Our CNC-machined carbon steel forgings represent the pinnacle of automotive component manufacturing, combining advanced metallurgy with cutting-edge machining technology to deliver parts that meet the most demanding industry standards. Engineered for strength, precision, and durability, these components are ideal for critical automotive applications where failure is not an option.

Key Features & Benefits

1. Superior Material Science

• Premium Carbon Steel Grades: AISI 1045, 4140, and 4340 alloys optimized for automotive stress requirements
• Enhanced Material Properties: Tensile strength up to 850 MPa with excellent fatigue resistance
• Material Traceability: Full MTC (Mill Test Certificate) compliance with EN 10204 3.1 standards

2. Advanced Manufacturing Process

• Precision Hot Forging: Grain flow optimization for directional strength
• 5-Axis CNC Machining: Achieving tolerances as tight as ±0.01mm
• Automated Quality Control: 100% inspected with CMM and optical comparators

3. Automotive-Specific Advantages

• Weight Optimization: Strength-to-weight ratio improvements up to 25% over cast alternatives
• Vibration Damping: Superior harmonic performance for drivetrain components
• Thermal Stability: Maintains dimensional integrity from -40°C to +200°C

4. Quality Assurance

• IATF 16949 Certified automotive quality management
• PPAP Documentation available (Level 3-4)
• Complete Dimensional Reports with GD&T analysis

Product parameters

Primary Automotive Applications

Powertrain Components

✔ Engine Systems: Crankshafts, connecting rods, camshafts
✔ Transmission Parts: Gear blanks, synchronizer hubs, shift forks
✔ Driveline Components: Axle shafts, differential carriers

Chassis & Suspension

✔ Steering Components: Rack gears, pinion shafts
✔ Suspension Parts: Control arms, knuckles, strut mounts

Electric Vehicle Systems

✔ Battery Enclosure Structural Components
✔ Motor Mounts and Bearing Housings

Commercial Vehicle Applications

✔ Heavy-Duty Truck Transmission Gears
✔ Bus and Coach Axle Components

Product application

1. Powertrain & Transmission Components

✔ Engine Critical Parts:

• Forged crankshafts with micro-polished journals

• Fracture-split connecting rods (weight tolerance ±1%)

• High-wear camshafts with precision lobes

✔ Transmission Systems:

• Gearbox synchronizer rings (Ra 0.4μm finish)

• Billet-cut transmission gears (AGMA Q15 quality)

• Shift fork assemblies with wear-resistant pads

2. Driveline & Axle Systems

✔ Differential Components:

• Forged differential carriers (hardness 58-62 HRC)

• Precision-ground axle shafts (±0.02mm runout)

• CV joint housings with induction-hardened tracks

✔ 4WD/Transfer Case Parts:

• Chain sprockets with case-hardened teeth

• Transfer gear sets with shot-peened surfaces

3. Chassis & Suspension

✔ Steering Components:

• Rack-and-pinion gear sets (zero-backlash)

• Forged tie rod ends with PTFE-lined joints

✔ Suspension Hardware:

• Control arms with optimized stiffness zones

• Knuckle assemblies with integrated ABS sensor mounts

4. Electric Vehicle Systems

✔ BEV-Specific Components:

• Motor shaft flanges with precision balancing features

• Battery tray structural reinforcements

• Regenerative braking system carriers

5. Commercial Vehicle Applications

✔ Heavy-Duty Truck Parts:

• 5th wheel mounting plates (Grade 120 steel)

• Driveline yokes with 300,000 km service life

Contact Us

For more information or to request a quote, please feel free to contact us. Our professional team is ready to assist you.

Qingdao Sande Technology Co., Ltd. is located in Qingdao. We are specialized in manufacturing forging, CNC machining and various surface treatments. We have over 16 years of experience.
We have a professional and experienced team of engineers, advanced production and testing equipment, a powerful quality control system, and professional customer service... We will offer professional services, high-quality products and favorable prices. We sincerely welcome domestic and foreign customers to cooperate with us!