JIANGSU CHINA STEEL UNION INDUSTRIAL CO.,LTD.
江苏中钢联合实业有限公司
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High-Strength 304L Stainless Steel Round Bar - 2" Diameter, Structural Support Beams
The high-strength 304L stainless steel round bar (2" diameter) is a game-changer for sustainable architecture, next-gen infrastructure, and smart urban systems. Designed to outperform conventional structural steels, this low-carbon variant combines enhanced weldability, seismic resilience, and aesthetic versatility. Precision-crafted via advanced cold-rolling and stress-relief processes, it achieves a 30% higher yield strength than standard 304L, making it ideal for lightweight yet ultra-durable frameworks in green buildings, modular data centers, and renewable energy installations. Its passive oxide layer self-repairs in oxygen-rich environments, ensuring longevity in polluted urban or coastal settings.
| Parameter | Details |
|---|---|
| Material | 304L Stainless Steel (UNS S30403) |
| Element Composition | Cr: 18–20%, Ni: 8–12%, C: ≤0.03%, Mn: ≤2%, Si: ≤0.75%, N: ≤0.1%, Fe: Balance |
| Standard | ASTM A276, EN 10088-1, ISO 6931-1 (Structural Use) |
| Diameter | 2" (50.8mm) with ±0.1mm tolerance, lengths 3–12m |
| Surface Innovation | Laser-cleaned (Ra ≤1.0μm) or nano-ceramic coating for UV/acid resistance |
| Mechanical Properties | Tensile Strength: ≥620 MPa, Yield Strength: ≥310 MPa, Elongation: ≥40% |
| Sustainability Metrics | 75% Recycled Content, EPD (Environmental Product Declaration) Certified |
| Certifications | LEED v4.1 Compliance, ISO 50001 (Energy Efficiency), TÜV Fire Resistance A1 |
| Smart Features | IoT-Embedded Strain Sensors (Optional), QR-Coded Traceability |
① Seismic Resilience
Cold-worked microstructure absorbs dynamic loads, ideal for earthquake-prone regions or vibration-heavy industrial zones.
② Carbon-Neutral Fabrication
Produced using 100% renewable energy, with blockchain-verified CO₂ footprints (<1.2kg/kg steel).
③ Smart Infrastructure Ready
Optional embedded fiber-optic sensors enable real-time structural health monitoring in smart bridges or wind turbine towers.
④ Fire & Corrosion Synergy
A1 fire rating (non-combustible) combined with self-passivating surfaces resists urban pollutants and de-icing salts.
⑤ Modular Design Flexibility
Precision 2" bars enable rapid assembly of prefabricated building modules or solar carport frameworks.
⑥ Circular Economy Integration
Designed for disassembly and 100% recyclability, aligning with EU Circular Economy Action Plan targets.
Why This Product?
The 304L high-strength round bar transcends traditional construction materials by merging Industry 4.0 technology with ecological responsibility. Its fusion of IoT-enabled intelligence, extreme durability, and carbon transparency positions it as the backbone of tomorrow’s resilient, sustainable cities—where every beam is a data node, and every structure is a step toward net-zero.
Why This Product?
Beyond traditional marine engineering, the 2205 duplex bar bridges material innovation and climate resilience. Its unmatched saltwater durability, IoT-ready features, and eco-design make it pivotal for sustainable ocean economies, where corrosion is not just a challenge—it’s an existential threat.
FAQ
Q: Why choose us?
A: Our company have been in steel business for more than ten years, we are internationally experienced, professional, and we can provide variety of steel products with high quality to our clients.
Q: Can provide OEM/ODM service?
A: Yes. Please feel free to contact us for more details discuss.
Q: How is your Payment Term?
A:One is 30% deposit by TT before production and 70% balance against copy of B/L; the other is Irrevocable L/C 100% at sight.
Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
Q: Can you provide sample?
A: Yes, for regular sizes sample is free but buyer need to pay freight cost.
Q: How long is your delivery time?
A: Our daily inventory is more than 8000 tons, so for common product size, just need 3 days from stocks; if the special size from new production, delivery 15-20 days.