Zhaojian Steel

 Below is a comprehensive technical document (“docs”) about Zhaojian Steel, with a spotlight on their low carbon steel products, incorporating definitions, product lines, specifications, and usage—all enriched with citations from authoritative sources.

Zhaojian Steel – Technical Overview on Low Carbon Steel

1. Company Profile & Capabilities

Zhaojian Metal Product Co., Ltd. is situated in the Beijing–Tianjin–Xiongan New Area, strategically positioned near major logistics centers such as Tianjin Port and Beijing–Kowloon Railway, enabling efficient global distribution (Zhao Jian Steel). Since its establishment in 2010, the company has grown into a high-end steel producer with an annual output of approximately 3.2 million tons (Zhao Jian Steel). Its production infrastructure includes:

Zhaojian is certified under ISO 9001:2015 and holds several international recognitions, including EU Material Manufacturer and Green Building Material certifications. Their products also comply with ASTM, EN, JIS, and API standards (Zhao Jian Steel).

Their extensive sales network spans 30+ provinces in China and exports to over 40 countries, including major markets such as the U.S., Italy, Australia, and Turkey (Zhao Jian Steel).

Zhaojian’s product offerings include Carbon Steel Sheet & Coil & Plate, Carbon Steel Tube & Pipe, Galvanized Steel, Prepainted Steel, and Galvalume Steel (Zhao Jian Steel).

2. Low Carbon Steel: Definition & Context

Low carbon steel, also known as mild steel, typically contains approximately 0.05% to 0.30% carbon—offering excellent ductility and formability at low cost (Wikipedia). It’s widely used in sectors such as automotive, pipes, construction, and food cans due to its versatility (Wikipedia).

3. Zhaojian Steel’s Low Carbon Steel Offerings

Though Zhaojian doesn’t explicitly label all their steel products as “low carbon,” certain product lines clearly fall within this category based on composition and applications.

3.1 SPCC Cold-Rolled Steel (JIS G3141)

  • Carbon Content: ≤ 0.15% (JIS); 0.10–0.15% (ASTM) (Zhao Jian Steel)

  • Mechanical Strength: Tensile ≥ 270 MPa; Yield ~140 MPa; Elongation ≥ 32–39% (Zhao Jian Steel)

  • Typical Uses: Automotive parts, appliances, precision-formed components (Zhao Jian Steel)

3.2 Hot-Rolled Pickled & Oiled Steel (HRPO)

  • Carbon Content: 0.05–0.25% (ASTM A36/A1011); up to 0.25% (JIS SS400) (Zhao Jian Steel)

  • Mechanical Properties: Tensile strength 270–450 MPa; Yield ≥ 140 MPa; Elongation ≥ 22% (Zhao Jian Steel)

  • Applications: Automotive bodies, building structures, appliances, agricultural machinery (Zhao Jian Steel)

3.3 1.5 mm Galvanized Steel Sheet

  • Carbon Content Range: 0.02–0.20% (ASTM); ≤ 0.25% (JIS) (Zhao Jian Steel)

  • Advantages: Enhanced corrosion resistance through zinc coating; widely used in construction and auto panels (Zhao Jian Steel)

4. Summary Table: Zhaojian’s Low Carbon Steel Products

Product Line Carbon Content Mechanical Properties Typical Applications
SPCC Cold-Rolled Steel ≤ 0.15% Tensile ≥ 270 MPa; Yield ≈ 140 MPa; High ductility Automotive panels, appliances, precision parts
Hot-Rolled Pickled & Oiled (HRPO) 0.05–0.25% Tensile 270–450 MPa; Yield ≥ 140 MPa; Good elongation Structures, machinery, appliance housings
1.5 mm Galvanized Sheet 0.02–0.20% Tensile 270–410 MPa; Yield ≥ 140 MPa; Elongation ≥ 22% Construction cladding, equipment enclosures

5. Applications & Advantages of Low Carbon Steel

Low carbon steels combine cost-effectiveness with workability—they are easy to form, weld, and process. Their properties suit them for applications demanding moderate strength and high manufacturability, such as vehicle body panels, structural components, and coated building materials.

The SPCC line is ideal for precision applications, HRPO is suited for structural and robust usage, and galvanized sheets offer excellent weather resistance—reflecting flexibility in Zhaojian’s portfolio for diverse industrial needs.

6. Conclusion

Zhaojian Steel is well-positioned as a major supplier of low carbon steel products with:

  • Multiple specialized product lines (SPCC, HRPO, Galvanized Sheets)

  • Internationally recognized quality certifications

  • Extremely high production capacity and global reach

  • Broad technical capabilities across rolling, coating, and finishing processes

For professionals seeking reliable, high-quality low carbon steel solutions—whether for precision manufacturing, industrial construction, or corrosion-protected cladding—Zhaojian offers a versatile and robust portfolio of materials.

Let me know if you'd like deeper dives into any specific product line, comparison with competitors, or tailored recommendations for particular applications!

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