Explore our core product lines, featuring certified specifications, exceptional mechanical properties, and direct-from-mill pricing.
Stainless steel flat bars are essential components in heavy engineering, construction, and manufacturing. Unlike typical carbon steel, stainless steel flat bars contain a minimum chromium content of 10.5%. This creates a self-healing passive chromium oxide layer that prevents corrosion. Depending on your environment, choosing the correct grade is critical:
Professional Insight: When sourcing for structural framing in coastal environments, specifying 316L (Low Carbon) over standard 304 significantly minimizes sensitization risks during welding. This prevents intergranular corrosion and structural failure over decades of service.
Understanding production processes helps you choose the right dimensional tolerances for your applications:
| Grade (ASTM) | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Primary Applications |
|---|---|---|---|---|
| SUS304 | ≥ 205 | ≥ 515 | ≥ 40 | Food processing, architectural framing, low-corrosion tanks |
| SUS316 | ≥ 290 | ≥ 580 | ≥ 35 | Marine structures, chemical processing, pharmaceutical mixers |
| SUS316L | ≥ 170 | ≥ 485 | ≥ 40 | Heavy welded assemblies, coastal architectural elements |
| Duplex 2205 | ≥ 450 | ≥ 620 | ≥ 25 | Offshore oil and gas pipelines, desalination machinery |
How Chinese manufacturing networks, technical innovations, and sustainability initiatives support global industrial supply chains.
Tangshan, located in Hebei Province, serves as the hub of China's steel industry. This concentration provides access to raw materials and refined alloys, supporting production speed and pricing stability.
Our production facilities utilize automated rolling mills and real-time dimension monitoring. This technology maintains straightness, edge angles, and surface finish consistency across production batches.
Following modern environmental initiatives, our partner mills utilize carbon filtration systems and scrap metal recycling loop technologies to lower the environmental footprint of our products.
From architectural framing to heavy chemical equipment fabrication, discover where our stainless steel flat steel performs globally.
Our molybdenum-fortified SUS316L flat bars resist pitting corrosion in salty atmospheres, supporting structural components in ports, coastal causeways, and desalination equipment.
In highly regulated chemical environments, flat bars are used for support frames, sanitization machines, and piping hangings because they withstand acidic washes and prevent bacterial growth.
Using hot-rolled, pickled, and polished flat bars, builders create facade frameworks and support joints that balance long-term load-bearing capacity with weather resistance.
Hansheng Technology (Hebei) Co., Ltd. is strategically situated in Tangshan City, Hebei Province—the heart of China’s steel industry. With a prime location just 150 kilometers from the Tianjin seaport and 150 kilometers from the capital, Beijing, we benefit from an exceptional logistics network that ensures efficient global shipping. Since our inception in 2006, we have evolved into a comprehensive, export-oriented enterprise specializing in the manufacturing of premium-quality steel products.
We operate 8 high-efficiency production lines with a total annual production capacity of 300,000 metric tons (with potential scaling capacity reaching up to 650,000 tons). Our extensive product portfolio includes Galvanized Steel Wire, Hot/Cold Rolled Steel Coils and Sheets, GI/PPGI, GL/PPGL, and various Section Steels, all meticulously manufactured to adhere to rigorous international standards such as GB, JIS, ASTM, DIN, EN, and AS/NZS.
Driven by a commitment to supply chain excellence, competitive pricing, and professional service, our products have earned recognition across markets in the Middle East, Southeast Asia, North Asia, Africa, the Americas, and Europe. We operate under the firm philosophy of "honoring contracts and keeping promises." We view our clients not just as customers, but as valued friends, and we pride ourselves on our impeccable track record of contract fulfillment. We believe that a strong, transparent bond between our company and our clients is the ultimate cornerstone of our enduring success.
Focusing on prime building materials to create a better life for humanity.
Continue to be the leader in the global building materials industry.
Witness the scale of our production floors and high-performance equipment in Tangshan.
Our diverse inventory supports steel applications across structural, mechanical, and architectural fields.
Discover our worldwide projects, client testimonials, and regional delivery records.
Collaborating with industrial steel mills across the Bohai Rim region to ensure a reliable supply chain.












Technical insights, delivery protocols, and purchasing considerations for global buyers.
Our hot-rolled flat bars conform to ASTM A484 dimensional tolerance standards, ensuring cross-sectional thickness variations are kept within ±0.3mm to ±0.5mm depending on width. For applications requiring tighter tolerances, our cold-drawn flat bars meet ASTM A276 Class h11 limits, providing a clean surface finish suitable for precision engineering.
To prevent rust and oxidation from saline sea air, our flat bars are coated with rust-preventative oil, wrapped in water-resistant paper, and secured with steel bands inside wooden crates. Desiccant packs can also be added inside containers for shipments crossing tropical shipping lanes.
Yes, we support third-party inspections. We regularly cooperate with international agencies like SGS, BV, and TÜV. Quality inspections can verify dimensional tolerance, chemical analysis (via PMI testing), tensile strength, and packing conditions prior to final dispatch from our Tangshan facilities.
For standard stock sizes, packaging and port transport takes 7 to 10 days. For custom metallurgical specifications, rolling runs, or non-standard profiles, the typical production lead time ranges between 20 and 30 days. We arrange production schedules dynamically to match our partners' logistics requirements.
A comprehensive inventory supporting infrastructure projects worldwide. Direct shipping options from Tianjin Port.