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Stainless Steel Auto Parts Turbine Housing
Stainless Steel Auto Parts Turbine Housing Stainless Steel Auto Parts Turbine Housing

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Stainless Steel Auto Parts Turbine Housing

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Material: Stainless steel,duplex stainless steel,Carbon steel,Nickel-based alloy,Copper

Unit Weight: 2kg-120kg

Manufacturing process: Automotive parts investment casting, lost wax casting.
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Product Introduction


The Stainless Steel Auto Parts Turbine Housing is a high-performance component designed for automotive and industrial turbocharger systems, engineered to withstand extreme thermal and mechanical stresses. Manufactured from heat-resistant alloys such as Inconel 625 (UNS N06625), 321 (UNS S32100), or custom austenitic stainless steels via precision investment casting, these housings feature aerodynamic volute profiles and reinforced bearing supports to optimize exhaust gas energy recovery.


Engineered for tight dimensional tolerances (±0.05mm) and balanced weight-to-strength ratios, the housings meet IATF 16949 and VDA 6.3 automotive quality standards, ensuring reliable operation at shaft speeds up to 300,000 RPM and temperatures up to 950°C (1,742°F).


Product Advantage


Stainless steel volute housings are precision-engineered and manufactured to improve the efficiency and responsiveness of turbocharging systems by optimizing exhaust flow paths and reducing energy losses. Additionally, we maintain strict control over the manufacturing process through internationally recognized quality management system certifications, including ISO 9001 for general quality standards and IATF 16949 for automotive-specific requirements.

Extreme Temperature Resistance: Inconel 625 housings maintain tensile strength (≥ 760 MPa) at 800°C, resisting oxidation and thermal fatigue in high-boost gasoline engines, while 321 stainless steel offers cost-effective performance in diesel turbos (≤ 700°C/1,292°F).

Lightweight Design: Hollow-core casting technology reduces weight by 15% compared to forged alternatives, with FEA-optimized ribbing maintaining structural integrity under centrifugal forces (≥ 15,000g).

Thermal Management Solutions: Optional zirconia-based thermal barrier coatings (TBC) reduce heat transfer to the engine bay by 30%, lowering adjacent component temperatures and improving fuel efficiency.

Precision Balance Assurance: CNC-machined bearing journals (roundness ≤ 0.003mm) and dynamic balancing to G1.0 ISO 1940 standard eliminate vibration-induced wear, ensuring smooth operation and reduced noise (≤ 85 dBA).


Product Uses


The Stainless Steel Turbine Housing is a key component in the turbocharging system, which is mainly used to hold and guide the exhaust gases to drive the turbine to rotate. Its core function is to efficiently transfer the high temperature exhaust gases from the engine to the turbine blades, thus driving the turbine to rotate at high speed, providing more boost pressure for the engine and improving power performance.


Product Application


Volute housings are widely used in turbocharged engines that require high reliability and efficiency, particularly in high-performance vehicles, racing cars, commercial vehicles, and aftermarket-tuned vehicles. As a result, their excellent thermal and mechanical performance makes them critical components for improving engine power output and fuel efficiency.

Passenger Vehicles: Used in gasoline direct injection (GDI) and diesel engines for cars and SUVs, with Inconel housings enduring the harsh cyclic thermal loads of stop-start urban driving.

Commercial Vehicles: Integral to heavy-duty truck turbos, where 321 stainless steel housings resist oxidation from biodiesel combustion byproducts and ensure consistent boost pressure at high altitudes.

Industrial Turbomachinery: Deployed in small-scale gas turbines for power generation, with custom housings designed to handle natural gas, biogas, and syngas fuels in remote off-grid applications.

Motorsports: Forms the core of high-performance turbos for racing cars, with lightweight Inconel 718 housings enabling rapid spool-up and improved throttle response in high-horsepower engines.


FAQ


Q: What is the difference between automotive and industrial turbine housings?

A: Automotive housings prioritize lightweight and rapid heat dissipation, while industrial designs focus on high-temperature stability and compatibility with diverse fuel types.

Q: Can the housing be coated to improve heat dissipation?

A: Yes—aluminum-based thermal sprays enhance heat transfer coefficients by 25%, ideal for applications requiring quick cool-down after high-load operation.

Q: How does the volute design affect turbocharger lag?

A: The aerodynamic volute accelerates exhaust gases efficiently, reducing spool-up time by 10-15% compared to conventional designs, especially in small-displacement engines.


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