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Steel Flat Bars Manufacturer with Reliable Production Capacity for Global Buyers

Rongheng Steel Flat Bars is a long carbon steel section with a flat, regular cross-section and controlled thickness and width. As a common material for structural and fabrication work, it is used where a straight, Steel Flat Bars section is needed for connection parts, equipment bases, embedded components, supports and general steelwork.

Our supply covers hot-rolled and precision Steel Flat Bars for standard orders, project quantities and secondary fabrication. Common sizes can be supplied from stock, while special widths, thicknesses and cut lengths can be arranged according to project requirements.

A Flat Section for Fabrication and Structural Support

Flat and Regular Section

The flat surface and uniform section make it suitable for cutting, drilling, welding, bending and other secondary fabrication processes.

Controlled Dimensions

Width, thickness and straightness are controlled during production to help maintain consistent dimensions during cutting and assembly.

Flexible Surface Options

Black steel can be supplied for further fabrication, while hot-dip galvanizing or painting can be selected where surface protection is required.

Available Sizes and Materials

Item Available Range
Width 20–200 mm
Thickness 3–20 mm
Steel Grades Q235B, Q355B, SS400
Standard Lengths 6 m, 9 m, 12 m
Cut Length Available according to requirements
Surface Black, hot-dip galvanized, painted
Standard Sizes and Custom Rolling

Common specifications are kept available for regular supply. For special width or thickness requirements, customized rolling can be arranged so that the required dimensions are prepared before subsequent fabrication or assembly.

Choose the Section According to the Fabrication Requirement

For General Fabrication

Standard widths and thicknesses are suitable for brackets, supports, base components, embedded plates and common hardware processing where the section will be cut, drilled or welded.

For Project-Specified Parts

When the final component requires a specific width, thickness or length, cut-to-length and special-size supply can reduce additional material preparation at the installation or fabrication site.

Processing Before Delivery

The flat section can be supplied as standard material or prepared for the next fabrication step. Available processing includes:

Cutting

Precision cut lengths can be prepared according to the required dimensions.

End Finishing

End surfaces can be ground and deburred to improve handling and prepare the material for subsequent fabrication.

Surface Treatment

Hot-dip galvanizing and anti-rust painting are available for applications requiring additional surface protection.

Packing

Export-oriented moisture-resistant packing and bundled packing can be arranged for long-distance ocean transportation.

Inspection Focus Before Shipment

Inspection Item What We Check
Surface Flatness, visible defects and overall appearance
Dimensions Width and thickness tolerances
Shape Straightness and section condition
Batch Inspection Sampling inspection before shipment

Production, loading and logistics progress can be followed through the export process. For overseas orders, moisture-resistant packing is used according to the shipping requirements to reduce handling and transportation risks.

Where Steel Flat Bars Is Used

Embedded Plates

Used for embedded components and connection parts in steel and construction work.

Equipment Bases

Suitable for equipment base components, support frames and fabricated mounting parts.

Hardware Fabrication

Used for brackets, connectors and other metal hardware that requires a Steel Flat Bars section.

Supports and Brackets

Suitable for support structures, brackets, trays and reinforcement components.

Curtain Wall Accessories

Used as auxiliary steel components in curtain wall and building-related fabrication.

Guardrail Reinforcement

Applicable to reinforcement and connection components for guardrails and related structures.

Steel Building Components

Used for fabricated parts and auxiliary components in industrial buildings and workshops.

Bridge Reinforcement

Suitable for Steel Flat Bars reinforcement components and fabricated steel parts used in bridge work.

Grounding Steel

Used for grounding components in construction and electrical installation applications where the specified flat section is required.

Sheet Metal and Hardware Processing

Suitable for cutting, drilling, bending, welding and other general metal fabrication processes.

Supply for Standard Orders and Mixed Projects

Rongheng supplies Steel Flat Bars through a combination of regular stock and customized production. Standard specifications can be arranged for faster shipment, while special sizes can be produced according to the required width and thickness.

For projects requiring several steel profile types, different specifications can be coordinated for mixed-container shipment. This allows Steel Flat Bars to be supplied together with other required steel materials under the same export order.

For project orders

Please provide the required width, thickness, steel grade, length, surface treatment and quantity. If cutting, drilling or other fabrication is required, the processing dimensions can be confirmed before production.

Questions Before Ordering

Can you supply different Steel Flat Bars sizes in one order?

Yes. Common specifications can be combined according to the order requirements, and different steel profiles can also be coordinated for mixed-container shipment where applicable.

Can Steel Flat Bars be supplied in custom lengths?

Yes. Standard lengths include 6 m, 9 m and 12 m, while cut-to-length service can be arranged according to the required dimensions.

Can you supply galvanized Steel Flat Bars?

Yes. In addition to black steel, hot-dip galvanized and painted surface options are available for applications requiring additional surface protection.

Can special widths or thicknesses be produced?

Yes. In addition to common stock specifications, special width and thickness requirements can be arranged through customized rolling.

What should I provide for a quotation?

Please provide the required width, thickness, steel grade, length, surface treatment and quantity. For processed material, please also specify the cutting or finishing requirements.

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Hot-Dip Galvanized Steel Flat Bar

Hot-Dip Galvanized Steel Flat Bar

Hot-Dip Galvanized Steel Flat Bar is made from Q235B or Q355B hot-rolled steel and galvanized on all four sides after forming. It combines stable electrical conductivity, good tensile strength and outdoor corrosion protection, making it suitable for grounding systems, solar projects, steel connections, curtain walls, guardrails, equipment bases and rack components.
Hot-Rolled Steel Flat Bar

Hot-Rolled Steel Flat Bar

Made by rolling heated steel billets into solid rectangular sections, Hot-Rolled Steel Flat Bar is a basic material for fabrication, structural connections and machinery parts. Q235B and Q355B cover common and higher-load applications, with widths of 12–200 mm, thicknesses of 3–60 mm, and 6 m, 9 m or 12 m standard lengths. The untreated black surface can be painted, galvanized or powder coated after fabrication.
As a reliable Steel Flat Bars manufacturer and supplier in China, we have our own factory. If you want to buy high-quality steel pipes, steel profiles or customized steel products, please contact us.
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