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for metallic honeycombs and turbine parts

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To be a valuable global supplier

for metallic honeycombs and turbine parts

Precision-Welded Stainless Steel Honeycomb Core

Precision-Welded Stainless Steel Honeycomb Core

Product introduction

MAT Aviation manufactures high-quality, precision-welded stainless steel honeycomb cores using formed stainless steel strips. Designed for projects requiring consistent cellular geometry, durable metallic construction and application-specific dimensions, our honeycomb cores can be supplied in flat, round, ring-shaped and other custom configurations.

We offer 304 and 316L stainless steel as material options, with other grades available for technical evaluation. Material selection, cell geometry and joining methods are reviewed together according to the customer drawing, operating environment and intended application.

◆Key Advantages

Engineering FeatureCustomer Benefit
Corrosion-resistant material options304 and 316L provide useful corrosion resistance in many industrial environments; the appropriate grade depends on service conditions.
Precision-welded cellular structurePrecision forming and welding processes help maintain consistent cell dimensions and alignment while creating stable joints between the metal strips.
Custom geometryCell size, foil thickness, core depth, overall shape and dimensions can be reviewed against application requirements.
Metallic integrationA welded stainless steel core may be suitable for integration into engineered metal assemblies, subject to design and process review.
Application-oriented productionManufacturing and inspection requirements can be defined around customer drawings and project specifications.

◆Stainless Steel Grades and Material Selection

304 stainless steel offers useful formability, weldability and corrosion resistance for many general industrial applications. 316L stainless steel contains molybdenum and generally provides better resistance to chloride-related pitting than 304. Final material selection depends on the intended service conditions and technical requirements.

◆Precision Welding and Manufacturing Quality

Manufacturing typically involves material preparation, foil forming, cell assembly, precision welding and dimensional inspection. Forming and welding parameters are selected according to the material grade, cell geometry, component dimensions and customer requirements. Quality checks may cover cell consistency, joint integrity, core depth, overall dimensions and material traceability.

MAT Aviation also offers customizable spot welding patterns. The number, spacing and positions of spot welds can be adjusted according to customer drawings and engineering requirements to accommodate different honeycomb geometries and structural designs.

MAT Aviation operates an AS9100D-certified quality management system and holds Nadcap accreditations for special processes including Welding, Non-Destructive Testing, Nonconventional Machining and Heat Treating. Applicable accreditation scope and inspection requirements are confirmed for each order.

◆Typical Applications

ApplicationDesign Considerations
Wind tunnel and industrial flow straightenersCell geometry, flow direction, core depth and pressure drop are selected for the required airflow-conditioning function.
Aerospace and energy honeycomb sealing componentsStainless steel honeycomb cores may be incorporated into specific sealing assemblies where the alloy and joining process meet the component specification.
EMI shielding ventilation assembliesStainless steel cores can be evaluated as part of conductive honeycomb vent designs; shielding performance depends on the complete assembly and testing.
Marine and shipbuilding applicationsApplications include shipboard ventilation, airflow management and selected marine engineering components.
Custom industrial and acoustic structuresMetallic cellular structures can be assessed for specialized supports, airflow systems and acoustic assemblies according to design requirements.

Engineering resource: For a deeper discussion of material properties, manufacturing methods and design considerations, read our Stainless Steel Honeycomb Core technical guide.


Product specification

ParameterRange / Options
Material304 / 316L stainless steel; other grades on request
Cell Size0.4–38 mm
Foil Thickness0.03–0.25 mm
Core Height / Depth1.6–750 mm
Product FormFlat panels / Blocks / Round cores / Rings / Custom shapes
Overall DimensionsAccording to customer drawings and agreed manufacturing requirements
Joining MethodPrecision welding; specific process subject to material and design review
Surface TreatmentCopper plating / Tin plating / Zinc plating / Painting / Nickel plating / Other options subject to technical review

Specification note: The ranges above describe MAT Aviation’s overall metal honeycomb manufacturing capabilities; they do not mean every size, foil thickness or core depth combination is available in every stainless steel grade. Feasibility, surface treatment and tolerances must be confirmed for the specific drawing and operating conditions.

◆Packaging and Delivery

Packaging and delivery are agreed during quotation. Please indicate any requirements for surface protection, handling, part identification, material documentation or export packing.

◆Frequently Asked Questions

◆Can MAT manufacture stainless steel honeycomb cores to my drawing?

Yes. We review the drawing, grade, cell size, foil thickness, core depth, tolerances and intended application before confirming manufacturing feasibility.

◆What is the difference between 304 and 316L honeycomb cores?

Both grades offer formability and weldability. 316L generally has better resistance to chloride-related pitting than 304, but material choice depends on the operating medium, temperature, design details and other service conditions.

◆Are all dimensions in the specification table available for 304 and 316L?

Not necessarily. The table shows overall manufacturing ranges. Available combinations depend on grade, geometry, part size and welding requirements.

◆What should I send to request a quotation?

Please provide your drawing, stainless steel grade, cell size, foil thickness, core depth, quantity, dimensional tolerances and inspection requirements. Operating conditions and intended application are also helpful.

◆Discuss Your Stainless Steel Honeycomb Core Requirements

Email your drawings and technical specifications to mat@mat-cm.com for a manufacturing review and quotation.


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