Alloy 625 (Inconel 625) Heat Shield
BSTFLEX Alloy 625 (Inconel 625) Heat Shield is a premium nickel alloy thermal barrier designed for extreme exhaust and turbo heat zones. It helps reduce radiant heat transfer, protects nearby components, and supports long service life in high-temperature, corrosive, and vibration-prone environments.
BSTFLEX manufactures a full range of exhaust heat shield insulation solutions (heat shield sheets, formed shields, sleeves, mats, tapes, turbo blankets and more). View Exhaust Heat Shield Series
Key Features
- High-temperature durability for harsh exhaust/turbo locations
- Oxidation & corrosion resistance suitable for demanding under-hood conditions
- Radiant heat reduction to protect hoses, wiring, sensors, and surrounding components
- Thermal cycling resistance designed for repeated heat-up/cool-down cycles
- OEM customization supports custom cut patterns, formed shapes, and multi-layer builds
Applications
- Turbocharger hot-side heat shielding
- Downpipe, catalytic converter, and exhaust manifold radiant barriers
- Engine bay heat management near wiring looms, hoses, and plastic components
- Motorsport / performance exhaust systems
- Heavy-duty truck, off-highway equipment, generator sets, marine exhaust
Technical Specifications
| Specification Item | Details / Options |
|---|---|
| Product Name | Alloy 625 (Inconel 625) Heat Shield |
| Base Material | Nickel alloy facing (Alloy 625 / Inconel 625) |
| Product Forms | Heat shield sheet / barrier sheet, formed panels, custom-cut patterns |
| Structure Options | Single-layer shield; multi-layer barrier (metal facing + insulation core + optional backing) |
| Surface Options | Smooth, embossed/dimpled for stiffness and airflow gap design |
| Thickness / Gauge | Custom per drawing or application requirement |
| Cutting / Forming | Laser/waterjet cutting, stamping/forming, holes/slots/tabs as required |
| Edge Finishing | Deburred edges, folded/hemmed edges (optional) |
| Typical Heat Zone | Exhaust & turbo high radiant heat areas (final design depends on geometry, air gap, and stack-up) |
| Customization | OEM/aftermarket designs, prototypes to mass production |
Note: Thermal performance depends on shield geometry, air gap, airflow, and insulation stack-up. Share your temperature target and installation space to optimize the design.
FAQ
What is Alloy 625 (Inconel 625) heat shield used for?
It is used to reduce radiant heat from turbochargers, downpipes, catalytic converters, and exhaust manifolds, helping protect nearby components such as hoses, wiring, sensors, and body panels.
Can BSTFLEX provide custom sizes or formed shapes?
Yes. We support custom cut patterns and formed shield panels based on your drawings, CAD, or samples, including mounting holes/slots and edge finishing.
Do you offer multi-layer heat shields with insulation?
Yes. We can build multi-layer barriers (Alloy 625 facing + insulation core + optional backing) to improve heat reduction performance and durability for severe applications.
What information is needed to quote this heat shield?
Please provide application location (turbo/downpipe/cat/manifold), dimensions, thickness preference, quantity, drawings/photos, and any available temperature data or target surface temperature.
Request a Quote
BSTFLEX supplies a complete exhaust heat shield product line and can recommend the right material and structure for your heat zone.
























