CUSTOM SHEET METAL FABRICATION SERVICES

Precision Sheet Metal Fabrication For Low- to High-Volume Parts Production

Partner with Unionfab, a China-based sheet metal fabrication company, for accurate, assembly-ready parts. We identify manufacturability issues early through DFM reviews, then coordinate cutting, bending, welding, and finishing in one streamlined workflow.

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No MOQ • ISO 27001 Certified • Free DFM Analysis

Excellent4.7 out of 5

DELIVERED

8M+

Parts manufactured and delivered globally across rapid prototyping and production projects.

FACTORY AREA

80,000 m²

The combined area of Unionfab facilities totals 80,000 m².

MATERIALS

40+

40+ metal materials including steel, stainless steel, aluminum, copper, and more.

CERTIFIED

ISO

ISO 9001, 14001, 13485 & IATF 16949 certified with NDA-secured manufacturing workflows.

Why Choose Unionfab for Sheet Metal Fabrication?

Faster Quoting and Production Planning

We help customers move from drawings to manufacturable parts with a clearer path to pricing, feasibility, and delivery. Early alignment on material, geometry, and finishing helps reduce avoidable delays before fabrication starts.

DFM Support Before Fabrication

Sheet metal cost and quality are heavily influenced by design decisions made before the first cut. Unionfab reviews bend logic, feature spacing, tolerance risk, and fabrication practicality early so issues can be resolved before they become scrap, rework, or assembly problems.

Broad Process Coverage in One Workflow

From cutting and bending to welding and finishing, Unionfab supports the core fabrication steps needed to move parts toward production readiness. This helps customers reduce supplier fragmentation and manage more of the workflow through one coordinated path.

Flexible Support from Prototype to Production

Some projects need a few parts quickly for validation, while others need stable repeat production. Unionfab supports both early-stage builds and ongoing manufacturing needs so customers can scale without completely reworking their supply path.

Our Sheet Metal Fabrication Capabilities

Laser Cutting

Laser cutting is used to create precise part profiles, cutouts, slots, and holes from sheet metal with clean edges and strong repeatability. It is often the starting point for custom sheet metal parts that require speed and dimensional accuracy.

Punching

Punching is used to create repeatable holes, notched features, and cut profiles efficiently in sheet metal parts. It is especially useful for patterns, mounting features, and designs that benefit from fast repeat production.

Stamping

Stamping uses progressive or dedicated tooling to form sheet metal into repeatable shapes through press-based production. It is best suited for programs that require higher volumes, stronger repeatability, and more efficient long-run unit economics.

Bending

Bending shapes flat sheet metal into functional forms such as brackets, channels, housings, and structural parts. It is essential for designs that require accurate angles, consistent geometry, and assembly-ready features.

Welding

Welding is used to join multiple sheet metal components into a stronger or more complete structure. It is commonly applied when fabricated parts need permanent joining, added rigidity, or multi-part assembly support.

Finishing

Finishing is used to improve the appearance, corrosion resistance, and surface durability of sheet metal parts after fabrication. Common finishing options include painting, powder coating, plating, anodizing, and other surface treatments selected to match cosmetic, environmental, and end-use requirements.

Sheet Metal Fabrication Materials

We support a wide range of metals commonly used in sheet metal fabrication, covering aluminum, brass, steel, and more.

Aluminum

Aluminum is a lightweight, corrosion-resistant sheet metal widely used when parts need a strong balance of formability, appearance, and weight reduction. It is often chosen for products that require easier handling, good environmental resistance, and a cleaner cosmetic finish. Common applications: Electronics enclosures, lightweight brackets, panels, covers, frames.

Subtypes: Aluminum 5052-H32, Aluminum 6061-T6

Explore Our Full Material Library

Finishing Options for Sheet Metal Fabrication

We provide a comprehensive range of finishing solutions designed to enhance the appearance, corrosion resistance, durability, and production readiness of fabricated sheet metal parts.

Powder Coating

Powder coating adds a durable protective layer to sheet metal parts while also providing a wide range of color and texture options. It is widely used when parts need stronger corrosion resistance, improved surface durability, or a more finished production-ready appearance.

Best For: Outdoor or exposed components; consumer-facing housings; industrial covers and panels; parts that need color and added surface protection

Explore All Finishing Options

How to Work with Us

Every project moves through the same controlled process, from initial file upload to final shipment. Unionfab manages the entire workflow, so you get one point of accountability instead of coordinating across multiple vendors.

Get Quote and DFM Review

Upload your files to get pricing along with a manufacturability review. Tolerance requirements are checked and any design risks are flagged before production starts.

Manufacturing

Your parts are produced according to the confirmed process plan, with in-process checks at each stage to keep dimensions, finishes, and specifications on track.

Quality Inspection

Dimensional verification and surface checks are performed against your drawing requirements, with additional testing available for critical applications.

Delivery

A digital quality report is included with every shipment, supported by reliable global logistics and export documentation for international orders.

Applications of Sheet Metal Fabrication

Sheet metal fabrication is widely used to produce structural and enclosure parts for automotive, industrial, electronics, and construction applications. It is ideal for parts requiring high strength, durability, and design flexibility across both low and high production volumes.

Common sheet metal fabricated parts include:

Enclosures: Protective housings for electrical panels, control boxes, and equipment.
Brackets: Structural supports used to mount or reinforce components.
Chassis: Load-bearing frames for machinery, servers, and electronics.
Panels: Flat or formed surfaces for cladding, doors, and control panels.
Ductwork: Ventilation and airflow components for HVAC systems.
Cabinets: Durable enclosures for electrical, server, and storage equipment.
Safety Guards: Protective shields used to cover moving parts on machinery.
Frames: Rigid structural components for equipment and machinery bases.

Advantages of Sheet Metal Fabrication

High Durability and Strength

Sheet metal components offer exceptional structural integrity, making them ideal for demanding industrial and commercial applications. Their resistance to impact, heat, and corrosion ensures a long service life even in harsh environments.

Cost-Effective Production

This process is highly efficient for both small-batch and large-scale manufacturing. Precise cutting techniques, like laser cutting and punching, minimize material waste, thereby reducing overall production costs significantly over time.

Design Flexibility and Versatility

Sheet metal fabrication supports a wide range of shapes, bends, and joining methods, making it easy to adapt designs for different functions and industries. From simple brackets to complex multi-bend enclosures, the process accommodates custom geometries without sacrificing precision.

Seamless Scalability

The fabrication process seamlessly scales from producing a single rapid prototype to handling high-volume mass production. This flexibility ensures manufacturers can maintain consistent quality and exacting precision throughout every stage of development.

Sheet Metal Fabrication: Breakdown of the Basics

What Is Sheet Metal Fabrication?

Sheet metal fabrication is the process of transforming flat metal sheets into finished parts, components, or structures through a series of manufacturing techniques. These techniques may include cutting, bending, punching, welding, forming, and assembling.

This process is widely used in industries such as automotive, aerospace, construction, electronics, machinery, and medical equipment. Common materials used in sheet metal fabrication include stainless steel, carbon steel, aluminum, copper, and galvanized steel.

Sheet Metal Fabrication Process

1.Cutting: Sheet metal is cut into the desired shape and size using methods such as laser cutting, plasma cutting, or shearing.
2.Forming and Bending: The cut metal is shaped into angles, curves, or channels using press brakes or roll-forming machines.
3.Joining and Assembly: Metal pieces are joined together through welding, riveting, or bolting to form a complete assembly.
4.Surface Finishing: Parts are treated with powder coating, anodizing, or plating to improve appearance and corrosion resistance.

Sheet Metal Fabrication FAQs

Sheet metal fabrication costs vary depending on part geometry, material selection, required manufacturing processes, tolerances, and finishing options. Because every project is unique, we provide personalized quotes after reviewing your drawings and files.

Typical lead time ranges from 10 to 25 days, depending on part complexity, order volume, material availability, and finishing requirements. If you have a strict deadline, our team can review expedited options for your project.

We apply ISO 2768-m tolerances by default. Tighter tolerances can be reviewed based on material, thickness, bend structure, feature location, and inspection requirements.

We support laser cutting, punching, stamping, bending, welding, forming, assembly, and surface finishing. Our team can help select the right process route based on your drawings, materials, volume, and end-use requirements.

Absolutely. We take your intellectual property (IP) protection and data security incredibly seriously. As an ISO 27001 Certified platform, your files are rigorously encrypted and shared exclusively with the essential engineering staff handling your project. We are also fully prepared to sign your Non-Disclosure Agreement (NDA) before you share any CAD files.

Ready to Start Your Sheet Metal Project?