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Fabricating Sheet Metal Steel: A Comprehensive Guide for Industrial Mechanical Contractors in the Bay Area

The Bay Area is home to a thriving industrial sector, with numerous mechanical contractors working on a wide range of projects. One of the most critical aspects of these projects is the fabrication of sheet metal steel. This versatile material is used in various applications, from HVAC ductwork to custom metal enclosures. In this comprehensive guide, we will explore the ins and outs of fabricating sheet metal steel for industrial mechanical contractors in the Bay Area.

Understanding Sheet Metal Steel

Sheet metal steel is a flat, thin piece of metal that is typically 0.006 to 0.25 inches thick. It is made by rolling steel into large coils, which are then cut into sheets of the desired thickness. There are several different types of steel used in sheet metal fabrication, including:

Hot Rolled Steel: This type of steel is heated and then rolled into sheets. It is known for its high strength and durability, making it an excellent choice for structural applications.

Cold Rolled Steel: This steel is processed at room temperature, resulting in a smoother surface and increased strength. It is commonly used for applications that require precise dimensions and a clean appearance.

Stainless Steel: This corrosion-resistant steel is ideal for use in environments where rust and corrosion are concerns, such as in the food processing or pharmaceutical industries.

Galvanized Steel: This steel is coated with a layer of zinc to protect it from corrosion. It is commonly used for outdoor applications, such as roofing and siding.

Fabrication Techniques

There are several different techniques used to fabricate sheet metal steel, including:


Cutting is the process of removing material from a sheet of metal to create a desired shape or size. There are several methods for cutting sheet metal steel, including:

Shearing: This process uses a large, hydraulic-powered machine to cut straight lines through the sheet metal.

Laser Cutting: This method uses a high-powered laser to cut through the metal, resulting in precise cuts and minimal material waste.

Plasma Cutting: This process uses a plasma torch to cut through the metal, creating clean cuts with minimal distortion.

Waterjet Cutting: This method uses a high-pressure stream of water mixed with abrasive particles to cut through the metal, resulting in a smooth, clean edge.


Bending is the process of shaping sheet metal steel by applying force to it. There are several methods for bending sheet metal, including:

Press Brake Bending: This process uses a press brake machine to apply force to the sheet metal, causing it to bend along a predetermined line.

Roll Bending: This method uses a set of rollers to bend the sheet metal into a curved shape, such as a cylinder or cone.

Tube Bending: This process involves bending a tube-shaped piece of sheet metal around a die, creating a specific radius.


Welding is the process of joining two pieces of sheet metal steel together by melting their edges and fusing them with a filler material. There are several types of welding techniques used in sheet metal fabrication, including:

MIG Welding: This method uses a wire electrode and an electric arc to heat and melt the metal, creating a strong bond between the two pieces.

TIG Welding: This process uses a tungsten electrode and an electric arc to heat and melt the metal, resulting in a clean, precise weld.

Spot Welding: This method uses an electric current to heat and melt specific points on the sheet metal, creating a series of small welds that hold the pieces together.

Applications in the Bay Area

Sheet metal steel is used in a wide range of applications in the Bay Area's industrial sector, including:

HVAC Ductwork: Sheet metal steel is commonly used to create custom ductwork for heating, ventilation, and air conditioning systems.

Custom Enclosures: Industrial mechanical contractors often fabricate custom metal enclosures to protect sensitive equipment or machinery.

Structural Components: Sheet metal steel is used to create structural components, such as beams and columns, for various industrial applications.

Architectural Elements: Sheet metal steel is used to create decorative and functional architectural elements, such as metal cladding or roofing.

Choosing the Right Contractor

When selecting an industrial mechanical contractor in the Bay Area, it's essential to consider their experience, capabilities, and reputation. Look for a contractor with a proven track record of successfully completing projects similar to yours, as well as one that offers the fabrication techniques and materials you require. Additionally, ensure that the contractor is licensed, insured, and has a solid reputation for quality workmanship and customer service.

In summary, the fabrication of sheet metal steel is a crucial aspect of many industrial projects in the Bay Area. By understanding the different types of steel, fabrication techniques, and applications, you can choose the right contractor to meet your project's unique needs.

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What is Sheet Metal Fabrication

Sheet Metal Fabrication is the process of forming metal sheets into structures or parts using various techniques such as cutting, bending, and welding.

This process commonly use for products such as car parts, building materials, and household appliances.

The sheet metal is often cut to size and holes using a shearing machine or laser cutter, and then bent into shape. Once the parts formed, they are typically welded, riveted, or fastened together to create the final product.

Sheet Metal Fabrication Service

Asianstar Professional Sheet Metal Fabrication

Sheet Metal Fabrication Service

Asianstar Company Sheet Metal Fabrication provides a range of services to clients.

We have machines involves Cutting, Bending, Punching, Drilling, Welding and Forming, we also have hand-tool to make samples of sheet metal fabrication samples in rapid reaction.

With our skillful engineers and tools, we are able to provide complicated structure sheet metal components, and then apply surface finishing treatment on components and support clients to assemble the final products.

For huge quantities sheet metal fabrication demands, we use our own CNC Machines to open tooling or mold for sheet parts, with our in-house facilities supporting, we can carry perfect result on the structure and productivity.

Asianstar: Professional CNC Machining Supplier

From year of 2005, Asianstar Company establish the CNC Machining Factory in Guangdong Province, China.
We mostly provide CNC Turning, Milling, Drilling, Grinding, and Multi Machining processes service on various materials.
With the Belief of becoming a key supplier in the supply-chain of Precision Components, we strictly control our product quality, keep high precision on our components production, buildup the whole-process QC System and submit the satisfaction for every order.
By long term development, we have buildup partnership with world-wide clients, supporting our partners in Designing, Optimizing, Producing and Testing on each type of components.


Multiple Machining Processes

Multiple Machining Processes

Asianstar has various machining processes to support different types of components from client, we can choose the best suitable manufacturing solution to carry result in perfect performance and cheap cost

Flexible Custom Service

Flexible Custom Service

With skillful machining technologies, Asianstar is flexible to support clients on different materials and different structures of the components, we also flexible on the components quantities and even assembly

Create Designing for Clients

Create Designing for Clients

Not only producing according to clients drawings, Asianstar also propose the better designing to clients, supporting clients to buildup improved designing or even new generation components

Standard Procedures

Standard Procedures

Asianstar production, as experienced by many years, is strictly following internal Standard Operating Procedures, to make sure the production schedule is smooth and plans are well carried out well without accidents

Standard Procedures

Standard Procedures

Asianstar strictly controlling product quality by system. We start QC controlling from production plan once setting up, to production process by monitoring QC checking and until the final Inspection before packing

Fast Lead-Time Delivery

Fast Lead-Time Delivery

Asianstar strictly control the production processes, teams keep the plan moving ahead according to the procedures, we have internal time management schedule which mostly bring earlier lead-time of delivery


CNC Turning Service

CNC Turning Service

Our CNC Turning Service provides different sizes of roll shape work-pieces, the diameter range is from 0.5mm to 480mm, reaching tolerance +/-0.003mm.

CNC Milling Service

CNC Milling Service

Our milling machines and CNC centers are able to produce complicated structure part, five-axis devices produce multi-sides at one-time jag which bring high precision result

Sheet Metal Fabrication

Sheet Metal Fabrication

Our Sheet Metal Fabrication provides slicing, punching, bending, welding, painting and assembling for set products, unique tooling for each project to raise production efficiency

Aluminum Extrusion

Aluminum Extrusion

Our Aluminum Extrusion brings clients various shapes of aluminum parts, high efficiency for mass quantity, our precision extrusion mold control tolerance within 0.01mm

Forging Service

Forging Service

For some steel serious products, we apply Forging Service to make out their outer shape and them use CNC devices to start drilling, forming, rolling, cutting, etc.

Finishing Service

Finishing Service

Our Surface Finishing Service uses chemical or electro post-treatments after machining tasks are finished, normally includes Oxide, Anodizing, Passivation, E-Plating, Painting,etc.


  • Q1.Do you support ODM/OEM?

    Yes, we support ODM/OEM, we provide custom-made service for clients or even support clients on designing or improving

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