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Iron PCB & Ferrous Substrate Review
A ferrous substrate should start with a defined grade and a reason to use it. Review mass, electrical isolation, surface protection and the required mechanical or magnetic behavior.
Get a project quoteBare boards or assembly scope 路 Send preliminary files if the stackup is still open.
Specify the ferrous grade, not just 鈥渋ron PCB鈥�
Iron PCB is a broad commercial label for a PCB using a ferrous metal substrate. Depending on the specification, that could involve a steel or another defined ferrous base. It is not a single standardized laminate or a guarantee of magnetic shielding.
Use this route when a mechanical, material or electromagnetic requirement calls for a specified grade. If your main aim is heat transfer at low mass, compare aluminum IMS or copper-base PCB first.
| Requirement | What the drawing or enquiry needs |
|---|---|
| Material identity | Grade, temper/condition, density and thermal-property reference. 鈥淚ron鈥� alone is insufficient. |
| Mechanical integration | Dimensions, flatness, fastening, support and allowable mass. Stiffness requires geometry as well as material. |
| Magnetic behavior | Frequency, field level, geometry and required performance; do not infer shielding from a ferrous label. |
| Corrosion / surface condition | Environment, treatment, exposed edges, assembly compatibility and acceptance criteria. |
| Electrical isolation | Dielectric system, exposed base, hole construction and agreed circuit-to-base tests. |
Check base mass and through-thickness conduction
This screen estimates an uncut rectangular base mass and its vertical conduction resistance. Enter the specified grade properties. It does not establish a total-board temperature, mechanical stiffness or shielding performance.
Iron PCB Base Screen
A review route for specialized substrate requirements
Begin with the reason the design requires a ferrous substrate. Share the mechanical drawing and the electrical/thermal operating conditions. The material and bonding route can then be assessed together.
For an exact quotation, send the required grade, protective treatment, quantity and acceptable alternatives. We use a file-based review here because there is no verified standard iron-board price model.
Discuss a ferrous-substrate projectThe metal-core manufacturing capability tables includes ferrous material options for engineering review. It is not a blanket qualification of every steel grade, finish or laminate combination.
Acceptance questions that matter for a ferrous base
| Risk to review | Evidence or condition to define |
|---|---|
| Unspecified material substitution | Grade identification and approved material documentation. |
| Loss of isolation at machined edges or holes | Hole/edge construction and relevant electrical test coverage. |
| Corrosion at exposed surfaces | Agreed treatment, environment and inspection criteria. |
| Warping or mounting stress | Drawing flatness, fixture support and assembly conditions. |
| Claimed shielding benefit | A defined electromagnetic test or analysis for the actual assembly. |
Use quality and supplier-review information to request applicable records. The metal-core manufacturing guide explains why the route depends on the base and hole construction.
Iron PCB questions
Is iron PCB the same as stainless-steel PCB?
Not necessarily. Ferrous substrates cover different grades with different thermal, magnetic and corrosion behavior. Specify the exact grade rather than treating the labels as interchangeable.
Does an iron core automatically shield EMI?
No. Magnetic response, frequency, continuity, geometry and openings matter. A thermal calculator or material name cannot qualify shielding performance.
Why does this page not give an instant iron PCB price?
The grade, bonding system, surface protection and machining route materially affect feasibility and cost. Without a validated rate set, a file-based quotation is more useful than an invented unit price.
Can I use the same dielectric as an aluminum board?
That requires material and process confirmation. Do not assume a laminate or bonding system qualified on aluminum is qualified on the selected ferrous base.
What does the mass tool include?
Only a solid rectangular metal base with the entered dimensions and density. It excludes cutouts, holes, circuit copper, insulation, coatings and components.
Request a grade-specific feasibility and price review
Send the released files, or clearly mark preliminary data. Include the points below so the quote describes the board you actually need.
- Required grade and why it is needed; acceptable alternatives, if any.
- Outline, holes, base thickness, surface treatment and mechanical tolerances.
- Circuit data, dielectric and isolation requirements.
- Thermal / magnetic / environmental requirements, quantity and assembly scope.
Email sales@raypcb.com if you prefer an email discussion. See the metal-core PCB hub for the other base options.