Silica Sol Precision Casting Kit

Material: 304

Product name: Matching kit

Process: Silica sol precision casting

Gross weight: 0.31

Wax: Medium temperature wax

Application: Engineering accessories

Surface treatment: Pickling and passivation

Product requires machining

Application:Exhaust gas  turbocharger

1. Product Introduction

This product is made of premium stainless steel using advanced silica sol investment casting technology, resulting in excellent dimensional stability and a smooth, dense surface texture. Designed for extreme operating conditions, it is ideal for turbocharged manifolds and heavy-duty diesel exhaust systems, effectively resisting oxidation and thermal fatigue. Widely used in automotive manufacturing, marine propulsion, industrial engines, heavy machinery, and high-performance racing, it is crucial for the safe and efficient emission of high-temperature corrosive exhaust gases.

2. Product Features

Superior Dimensional Accuracy: Utilizing the silica sol process, the product achieves CT5-CT6 level accuracy, significantly reducing the time and cost of secondary CNC machining and ensuring a tight fit.

Excellent Surface Finish: The silica sol shell gives the casting an extremely smooth surface (Ra 1.6 - 3.2 μm or better), effectively reducing exhaust back pressure and turbulence.

Complex Structure Forming Capability: Precision casting technology breaks through traditional limitations, easily achieving one-piece molding of thin walls and complex geometries.

High Temperature and High Pressure Resistance: Specially designed for the thermal cycling and high-pressure environment of exhaust systems, it exhibits no deformation or cracking at high temperatures, maintaining structural integrity throughout.

Fully Customizable (OEM): We offer comprehensive customization services. Simply provide 2D/3D drawings (CAD, STEP, IGES) or physical samples to receive a free quote and technical consultation.

3. Material Advantages: Stainless Steel

   We primarily use high-quality austenitic stainless steel, whose core advantages in exhaust flange applications are as follows:

Excellent Corrosion Resistance: The passivation film formed on the stainless steel surface effectively prevents rust and corrosion from corrosive media such as sulfur, moisture, and de-icing agents in exhaust gases, ensuring an ultra-long service life.

Excellent Heat Resistance: Maintains high tensile strength and oxidation resistance even at extremely high exhaust temperatures, preventing thermal fatigue and high-temperature creep.

High Specific Strength: Combining high strength and lightweight characteristics, it can withstand engine vibration and exhaust pressure while contributing to overall vehicle weight reduction and efficiency.

Low maintenance and long lifespan: The inherent durability of stainless steel eliminates the cost of frequent replacements and painting maintenance, providing a highly cost-effective solution throughout its entire lifecycle.

4.Manufacturing Strength: Production and Quality Control

As a professional manufacturer of silica sol precision casting, we integrate advanced production capacity with a rigorous quality management system, committed to delivering precision components with zero defects.

Production Strength

Own Silica Sol Casting Production Line: We have an independent precision casting workshop, implementing strict control over every step, from wax pattern injection, shell making, dewaxing, and high-temperature baking.

Advanced CNC Machining Center: Equipped with multi-axis CNC lathes and machining centers, ensuring that secondary finishing fully meets drawing tolerance requirements.

Flexible Production Capacity Planning: By optimizing production cycle time, we flexibly balance small-batch trial production and large-scale mass production delivery times.

Strict Quality Assurance

Material Traceability Testing: We use direct-reading spectrometers to accurately analyze the chemical composition of materials in each batch, ensuring 100% compliance with standards.

Precision Dimension Inspection: Our quality control laboratory is equipped with a coordinate measuring machine (CMM), height gauges, and specialized inspection tools, strictly adhering to geometric tolerance limits.

Non-Destructive Testing (NDT): We comprehensively utilize visual inspection (VT), ultrasonic testing (UT), and magnetic particle testing (MT) to thoroughly eliminate microscopic defects.

Physical and Chemical Performance Testing: We regularly conduct salt spray tests, tensile strength tests, and hardness tests to verify mechanical properties and corrosion resistance.

System Certification Endorsement: Our factory strictly adheres to ISO 9001 and IATF 16949 (Automotive Industry Quality Management System) standards, implementing a philosophy of continuous improvement and zero-defect delivery.

Silica Sol Precision Casting Kit Product Characteristics

Product application area ratio

Main customers：

Quality Control