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S21-2203020AB
HongPro
S21-2203020AB
Crafted from premium alloy steel, our drive shaft undergoes specialized heat treatment at 850°C, enhancing surface hardness to 55-60 HRC while maintaining a tough core. This process significantly improves fatigue resistance, extending service life by 30% compared to conventional products. The result is a component capable of withstanding extreme torque loads up to 20% above market standards, ensuring reliable performance under demanding driving conditions.
Each drive shaft undergoes laser-assisted dynamic balancing calibrated to ≤1g imbalance tolerance, far exceeding the industry standard of ≤5g. This reduces vibration by 70% and minimizes stress on transmission components, leading to smoother power delivery and extended lifespan of connected parts. Our balancing process is validated with 100,000+ km simulated fatigue testing under full-load conditions.
Featuring a multi-stage coating process including zinc-nickel electroplating and epoxy sealing, our drive shafts demonstrate 500+ hours of salt spray resistance (ASTM B117 standard). This protection prevents rust and pitting even in high-humidity environments, ensuring 95% performance retention after 5 years of use.
Manufactured using original equipment specifications, our drive shafts achieve 99.5% fitment accuracy for Chery vehicles. Every unit is validated with 3D scanning technology to guarantee perfect alignment with factory mounting points and spline dimensions. This eliminates installation issues and reduces returns to <0.5%.
All products comply with ISO 9001 and IATF 16949 quality standards, with each batch undergoing 100% full-load testing at 2,500-3,000 RPM. Our drive shafts consistently demonstrate 98.5% power transmission efficiency and come with an 18-month warranty supported by documented test reports.
| Parameter Category | Specification Details | Testing Standard / Note |
| Core Material | High-Carbon Alloy Steel (SCM440 or equivalent) | SAE J404 Grade; Provides superior tensile strength and fatigue resistance. |
| Hardness Treatment | Case Hardened: 55-60 HRC; Core Hardness: 30-35 HRC | Ensures a wear-resistant surface with a tough, impact-absorbing core. |
| Maximum Torque Capacity | 1,500 Nm | 20% above average market standards. Tested under dynamic load. |
| Dynamic Balancing Grade | G6.3 Grade (Imbalance ≤ 1.0 g·cm) | ISO 1940-1 Standard. Minimizes vibrations for smoother operation. |
| Spline Fit | CNC Machined, Precision Ground Splines | Diameter tolerance: ±0.05mm. Ensures perfect engagement and eliminates slippage. |
| Corrosion Protection | Zinc-Nickel Electroplating (15-20μm) + Yellow Chromate Sealing | 500+ hours Neutral Salt Spray Test (ASTM B117) with no white or red rust. |
| Operating Angle | Max. 42° | Allows for full range of suspension travel without binding or loss of power. |
| Weight Tolerance | ± 0.15% of total weight | Prevents imbalance issues in the rotating assembly. |
| Quality Certification | ISO 9001:2015, IATF 16949:2016 | Manufactured under international automotive quality management systems. |
| Warranty | 18 Months or 100,000 Kilometers | Whichever comes first. Proof of our confidence in product longevity. |
Here are specific application scenarios of drive shaft:
Our drive shaft is engineered for durability in stop-and-go traffic and long-distance travel. The precision dynamic balancing (≤1g imbalance) ensures smooth acceleration and reduces cabin vibration, significantly enhancing driving comfort. With a validated lifespan exceeding 100,000 kilometers, it reliably handles the constant torque demands of daily commuting, preventing premature joint wear and costly subsequent repairs.
Constructed with heat-treated alloy steel, this component excels where road surfaces are imperfect. It provides exceptional resistance to impact and torsional stress, efficiently transmitting power even when encountering potholes or uneven terrain. The enhanced torque capacity (20% above standard) and robust internal design prevent failure, ensuring consistent performance and vehicle safety on challenging routes.
Ideal for drivers who require responsive power delivery. The high-strength material and OEM-equivalent engineering guarantee minimal power loss during transmission. This results in sharper acceleration and improved handling when carrying additional weight or during dynamic driving, all while maintaining the OEM-specified operating angles to protect other drivetrain components.
Trusted by technicians worldwide for its 99.5% fitment accuracy. This drive shaft eliminates installation hassles and comebacks, featuring corrosion-resistant coating for longevity in all climates. Its proven 500-hour salt spray resistance makes it a superior choice for customers in coastal or high-humidity regions, offering a reliable, long-term repair solution.
Fleet managers prioritize components that maximize vehicle uptime and reduce total ownership costs. This unit's extended service life, backed by an 18-month warranty, directly lowers maintenance frequency and replacement expenses. Its consistent quality and performance validation ensure that every vehicle in the fleet returns to service quickly and operates reliably, minimizing operational disruptions.
For optimal performance and safety, we recommend professional installation. Prior to fitting, always verify compatibility using your vehicle's VIN number to ensure precise match. During installation, strictly adhere to the specified torque values (refer to packaging for details, typically 180-220 Nm for mounting bolts) and align the factory balance marks to maintain drivetrain harmony. A post-installation test drive should check for vibrations or unusual noises, indicating a correct fit. For longevity, avoid extreme shock loads during initial 500 km of use.
