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Flat Steel Products from China Suppliers - High Strength Factory Direct Supply

Features & Advantages of Steel Products from China Suppliers

Features

- Our steel products feature a rectangular cross-section, available in long strips with either straight or rounded edges.

- The surface finish can be hot-rolled, displaying an oxide layer, or cold-rolled for a smooth texture.

Advantages

- Enjoy high strength and ease of fabrication, with options to cut, weld, and drill effortlessly.

- These products are designed to be cost-effective for mass production, making them an ideal choice for various applications.

- Choose from corrosion-resistant stainless steel or heat-resistant alloy steel, providing durability and performance for your projects.

As a trusted factory and supplier in China, we guarantee quality and efficiency in our steel products.

    📐 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 6m, 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, 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 & Advantage
    🔎 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 (beams, brackets)
    • ⚙️ Machinery (shafts, linkages)
    • 🚗 Automotive (chassis, body parts)
    • 🚢 Shipbuilding & bridge structures
    • 🔧 Hardware tools & furniture frames

    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 with an oxide layer, and is typically used for structural applications. Cold-rolled flat steel is processed at room temperature, offering a smoother surface and higher dimensional accuracy, making it ideal for precision applications.
    Q What sizes and dimensions are available for flat steel bars?
    Flat steel bars are available in thicknesses of 1.5–60 mm (hot-rolled) and 1–16 mm (cold-rolled), with widths ranging from 10–300 mm for both types. Standard length is 6 meters, with custom lengths available upon request.
    Q Which material grade should I choose for corrosion-resistant applications?
    For corrosion-resistant applications, stainless steel flat bars (Grade 304 or 316 per AISI standards) are recommended. These grades are particularly suitable for food processing, chemical, and marine environments where exposure to moisture or chemicals is a concern.
    Q What international standards do your flat steel products 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), as well as JIS standards. Custom compliance with other regional standards is available upon request.
    Q Can flat steel bars be customized for specific industrial requirements?
    Yes, flat steel bars can be customized in terms of dimensions (length, width, thickness), material grade, surface finish, and edge type (straight or rounded). We support downstream processes such as drawing, heat treatment, and special alloy compositions to meet specific project requirements.
    Q What are the most common applications for alloy steel flat bars?
    Alloy steel flat bars, such as 40Cr and 42CrMo grades, are commonly used in applications requiring enhanced wear resistance, high-temperature performance, or superior mechanical strength. Typical uses include heavy machinery components, automotive drivetrain parts, high-load structural elements, and industrial tooling.

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