Sangroove (Jiangsu) Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of automotive control arm casting in China. If you're going to wholesale cheap automotive control arm casting made in China, welcome to get pricelist from our factory. All customized products are with high quality and low price.
Product Overview
Automotive Control Arm Casting is used to manufacture suspension links that maintain the connection between a vehicle's wheel assembly and chassis. During driving, the control arm is exposed to changing loads from road impacts, cornering, acceleration, and braking. Its shape, section thickness, pivot locations, and mounting interfaces must therefore be designed around the suspension layout and the mechanical demands of the vehicle.
Sangroove (Jiangsu) Machinery Co., Ltd. produces cast automotive control arms for customers requiring application-specific component manufacturing. Drawing-based production allows the casting structure to be developed around the required mounting points, bushing seats, and surrounding clearances. Ductile iron grades including QT400, QT450, and QT500 are available options for evaluation according to the component's strength requirements and intended service conditions.
Control arm production involves more than forming the basic casting. The selected molding method must accommodate the component's geometry, while machining establishes the interfaces needed for accurate installation. Depending on the project, subsequent operations may include heat treatment, machining of mounting features, and protective surface finishing. Material verification and dimensional checks can be incorporated into the agreed inspection plan. Customers can submit drawings or 3D models for review of casting feasibility, machining requirements, and production specifications before a project enters manufacturing.
Manufacturing Process
Component Drawing Review: Evaluate control arm geometry, mounting points, and casting requirements.
Pattern and Tooling Preparation: Develop tooling according to the approved component design.
Ductile Iron Casting: Use green sand or shell mold casting as appropriate for the part design.
Melt and Material Control: Monitor molten metal composition to meet specified material requirements.
Heat Treatment: Apply when required by the material specification or component requirements.
CNC Machining: Process mounting holes, interfaces, and other designated features.
Surface Protection: Apply the specified anti-corrosion treatment, such as E-coating or other approved finishes.
Quality Inspection: Check material composition and critical dimensions against the agreed technical drawings.
Technical Specifications
| Specification Item | Details |
|---|---|
| Casting Component | Automotive Control Arm |
| Base Material | QT400 / QT450 / QT500 Ductile Iron |
| Additional Material Option | High-Strength Alloy Cast Iron |
| Available Casting Methods | Green Sand Casting / Shell Mold Casting |
| Component Weight | 1–30 kg |
| Surface Finishing Options | E-Coating, Anti-Rust Coating, Phosphating |
| Casting Tolerance Grade | CT8–CT10 |
| Quality Checks | Spectrometer Analysis, CMM Inspection, UT/MT Testing |
| Target Applications | Passenger Cars, SUVs, Pickup Trucks, Commercial Vehicles, New Energy Vehicles |
Product Advantages
Suspension-Specific Geometry: Casting development based on the control arm's shape, mounting locations, and installation space.
Ductile Iron Material Options: QT400, QT450, and QT500 grades available for project-specific evaluation.
Machined Mounting Interfaces: Critical holes and fitting surfaces can be processed according to approved drawings.
Application-Based Surface Finishing: Protective treatments selected to match the customer's specifications.
OEM Drawing Compatibility: Manufacturing and inspection requirements can be defined around the supplied component design.
Why Choose Sangroove
Automotive Casting Experience
More than 40 years of casting experience supporting the development and manufacture of automotive components.
Manufacturing Under One Roof
Tooling, casting, heat treatment, machining, and surface finishing can be coordinated according to project scope.
Documented Quality Systems
The company lists IATF 16949 and ISO certifications covering quality and other management systems. Applicable certification scope can be confirmed during supplier evaluation.
Inspection Resources
Material analysis and dimensional inspection are supported by equipment including an OBLF spectrometer and Hexagon CMM, with additional testing subject to project requirements.
OEM Project Support
Experience serving automotive customers including BYD, Geely, Chery, Great Wall, and other domestic and international clients.
one-stop solution
professional team
high quality
FAQ
Q1: What materials are available for automotive control arm castings?
Sangroove lists QT400, QT450, and QT500 ductile iron as material options. The appropriate grade can be evaluated according to the component design, strength requirements, and intended vehicle application.
Q2: Can you manufacture control arm castings according to our drawings?
Yes. Customers can provide 2D engineering drawings or 3D CAD files for project evaluation. Casting geometry, machining features, material requirements, and inspection criteria can be discussed before production.
Q3: Which casting processes can be used for automotive control arms?
Green sand casting and shell mold casting are listed for these components. The suitable process depends on the part geometry, technical requirements, and production volume.
Q4: Can you machine the mounting holes and assembly interfaces?
CNC machining can be arranged for specified mounting holes, fitting surfaces, and other assembly-critical features according to the approved drawings and tolerance requirements.
Q5: What surface treatments are available for control arm castings?
Listed options include E-coating, anti-rust coating, and phosphating. The final treatment should be selected according to the customer's corrosion protection requirements and application conditions.
Q6: What is the available weight range for automotive control arm castings?
The listed component weight range is 1–30 kg. Please provide the part drawing or estimated weight so the manufacturing requirements can be reviewed for your project.
Q7: What quality inspections are available?
The listed inspection options include spectrometer analysis, CMM dimensional inspection, and UT/MT testing. The applicable inspection methods and acceptance criteria should be agreed upon according to the component specification.
Q8: Can you support OEM and high-volume production projects?
Sangroove supports customized automotive casting projects, from tooling development through casting and subsequent processing. Production planning and quality requirements can be discussed based on the customer's drawings, expected quantities, and delivery schedule.
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