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Flat Steel Products from Reliable China Suppliers – High-Quality Factory Direct Solutions

Features & Advantages

Features

- Rectangular cross-section design, available in long strips with straight or rounded edges.

- Surface finishes include hot-rolled with an oxide layer or cold-rolled for a smooth finish.

Advantages

- High strength and durability make it easy to cut, weld, and drill, meeting diverse fabrication needs.

- A cost-effective solution for mass production requirements, ideal for various applications.

- Offers corrosion resistance (stainless steel) or heat resistance (alloy steel), ensuring longevity and reliability.

As a leading manufacturer and suppliers in China, our factory ensures that you receive high-quality products that cater to your specific needs.

    Parameters & Standards
    Thickness 1.5–60 mm (hot-rolled); 1–16 mm (cold-rolled)
    Width 10–300 mm (hot-rolled); 10–300 mm (cold-rolled)
    Length Standard 6 m, customizable
    GB/T 704 GB/T 6723 ASTM A36 ASTM A240
    Types of Flat Steel
    Hot-rolled Flat Steel

    Formed through high-temperature rolling process; the surface is relatively rough.

    Cold-rolled Flat Steel

    Rolling at room temperature; smooth surface with high dimensional accuracy.

    Stainless Steel Flat Bar

    Strong corrosion resistance, suitable for the food or chemical industry.

    Carbon Steel Flat Bar

    High strength and low cost, widely used in structural components.

    Alloy Steel Flat Bar

    Contains elements such as chromium and nickel to enhance wear resistance or high-temperature resistance.

    Features & Advantages
    Features
    • Rectangular cross-section, long strip with straight or rounded edges.
    • Surface may be hot-rolled (oxide layer) or cold-rolled (smooth).
    Advantages
    • High strength, easy to cut, weld, and drill.
    • Cost-effective for mass production.
    • Corrosion-resistant (stainless steel) or heat-resistant (alloy steel).
    Materials
    Common Carbon Steel

    Q235 (GB), ASTM A36 (International)

    Medium Carbon Steel

    45 Steel, used for mechanical parts

    Stainless Steel

    304, 316 (AISI), corrosion-resistant

    Alloy Steel

    40Cr, 42CrMo (with Cr, Mo)

    Applications
    • Construction
    • Machinery
    • Automotive
    • Shipbuilding & Bridges
    • Hardware & Furniture

    Process Advantages and Material Selection Guidelines

    Advanced high-speed rolling and controlled cooling technologies ensure dimensional precision (±0.1 mm) and microstructural homogeneity, supporting downstream processes like drawing and heat treatment. Material selection must comply with industry standards (ASTM, GB/T, JIS), prioritizing carbon content, elongation, and surface defect control.

    As a global wire rod supplier, we deliver full-range solutions for steel strands, cold-headed standard parts, and special alloy wire materials, empowering clients to reduce costs and enhance efficiency. Contact us now for customized product catalogs and technical support!

    Frequently Asked Questions
    Q What is the difference between hot-rolled and cold-rolled flat steel?
    Hot-rolled flat steel is produced at high temperatures, resulting in a rougher surface and wider thickness range (1.5–60 mm). Cold-rolled flat steel is processed at room temperature, offering a smoother surface and tighter dimensional accuracy, typically within 1–16 mm thickness.
    Q What international standards does your flat steel comply with?
    Our flat steel products comply with multiple international standards including GB/T 704, GB/T 6723 (Chinese national standards), ASTM A36, and ASTM A240 (American standards), ensuring compatibility with global project requirements.
    Q Which flat steel material is best for corrosion-resistant applications?
    Stainless steel flat bars — particularly grades 304 and 316 (AISI) — offer the strongest corrosion resistance and are ideal for use in food processing, chemical, and marine environments.
    Q Can flat steel be customized in length and dimensions?
    Yes. While the standard length is 6 meters, we offer fully customizable dimensions in terms of length, width (10–300 mm), and thickness (1–60 mm depending on the process) to meet specific project or engineering requirements.
    Q What industries commonly use flat steel bars?
    Flat steel bars are widely used across construction (beams, brackets), machinery manufacturing (shafts, linkages), automotive (chassis, body parts), shipbuilding, bridge structures, and hardware tools and furniture frames.
    Q What dimensional precision can you guarantee in flat steel production?
    Using advanced high-speed rolling and controlled cooling technologies, we achieve dimensional precision of ±0.1 mm, ensuring microstructural homogeneity and reliable performance for downstream processes such as drawing and heat treatment.

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