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Help Center430 Stainless Steel I Beam 100x100mm GB Standard Architectural Facade Structure 6m
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What Is Stainless Steel I-Beam？
Product Definition：
Stainless steel I-beams are structural long products with an “I” or “H” cross-section, consisting of two horizontal flanges connected by a vertical web. This design provides an excellent strength-to-weight ratio, making I-beams the preferred choice for load-bearing structural applications in construction, infrastructure, and industrial projects-13.
Why Choose Stainless Steel Over Carbon Steel？
| Feature | Stainless Steel I-Beam | Carbon Steel I-Beam |
|---|---|---|
| Corrosion Resistance | Excellent – natural passive oxide layer | Poor – requires regular painting and maintenance |
| Lifecycle Cost | Lower – minimal maintenance, longer service life- | Higher – frequent repainting and replacement |
| Aesthetic | Clean, modern appearance | Requires coating |
| Strength-to-Weight | Good | Good |
| Initial Cost | Higher | Lower |
Key Characteristics：
| Feature | Description |
|---|---|
| Structural Efficiency | I-section design maximizes load-bearing capacity while minimizing weight-13 |
| Corrosion Resistance | Excellent resistance to atmospheric, chemical, and chloride exposure – grade dependent-13 |
| Marine-Grade Durability | Enhanced performance in offshore and coastal environments-13 |
| Superior Weldability | Austenitic grades (304, 316) offer excellent weldability-13 |
| Fabrication-Friendly | Compatible with welding, bolting, and CNC fabrication-13 |
| 100% Recyclable | Environmentally friendly with no loss of properties |
I-Beam vs H-Beam – What’s the Difference？
| Feature | I-Beam | H-Beam |
|---|---|---|
| Cross-section | I shape (taller than wide) | H shape (wider flanges) |
| Flanges | Tapered or parallel | Parallel, wider |
| Weight | Lighter per meter | Heavier per meter |
| Load Direction | Best for bending along major axis | Best for multi-directional loads |
| Typical Use | Beams, columns, structural framing | Heavy columns, pile foundations |
Note： In many markets, “I-Beam” and “H-Beam” are used interchangeably. We supply both – please specify your requirement.
Key Specifications – Stainless Steel I-Beam
| Parameter | Specification / Range | Remarks |
|---|---|---|
| Standards | ASTM A276, A484, A479, EN 10088-3, JIS G4303, GB/T 1220- | Others on request |
| Austenitic Grades | 304, 304L, 304H, 309S, 310S, 316, 316L, 316Ti, 321, 347H, 904L- | Most common for structural use |
| Ferritic Grades | 409, 430, 439, 441, 444-9 | Cost-effective, magnetic |
| Duplex Grades | 2205, 2507- | High strength, excellent SCC resistance |
| Manufacturing Process | Hot rolled / Laser-fused / Welded-1-9 | Hot rolled standard; laser-fused for custom profiles |
| Height (H) | 80 mm – 1000 mm- | Custom on request |
| Flange Width (B) | 40 mm – 300 mm-9 | – |
| Web Thickness (T) | 3 mm – 50 mm-42 | – |
| Flange Thickness (Tf) | 5 mm – 40 mm-42 | – |
| Length | 6 m / 9 m / 12 m / Custom-9 | Up to 15m available- |
| Surface Treatment | Pickled / Polished / Sandblasted / As-rolled-9 | – |
| Density | 7.7 – 8.0 g/cm³-9 | Grade dependent |
| Yield Strength | 250 – 500 MPa-42 | Grade and temper dependent |
| Tensile Strength | 400 – 800 MPa--42 | – |
| Elongation | ≥20 – 30%--9 | – |
| Testing | PMI, tensile, hardness, dimensional inspection | Mill cert EN 10204 3.1 |
| Packaging | Steel strapped bundles, wooden pallet | Seaworthy, ISPM 15 |
Wuxi Yansheng Technology Co., Ltd. – Company Profile
Wuxi Yansheng Technology Co., Ltd. is a comprehensive technology enterprise specializing in high-quality metal raw material supply and precision processing services. Located in Wuxi City, a major steel distribution center in China, the company leverages the mature industrial chain advantages of the Yangtze River Delta region to provide professional material solutions to global customers.
As a technology-driven enterprise, Yansheng Tech maintains strategic cooperation with several well-known steel mills (such as TISCO, Baosteel, JISCO, Dongfang Special Steel, etc.) and is an authorized distributor of these mills. Our main products include stainless steel (304/316/BA/EP pipe), carbon steel, silicon steel, copper, aluminum and other materials in the form of sheets, pipes, coils, as well as custom-processed parts.
Core Business Highlights:
Material Supply: We maintain sufficient stock inventory, offering 304/316 stainless steel sheets, pipes, coils, API 5L casing, electrical steel, and more. We also accept orders for special steel grades and non-standard specifications.
Precision Processing: Equipped with imported mirror polishing machines, water jet cutting machines, high-precision slitting/leveling lines, large CNC milling machines, boring machines, and more. We provide customized services including BA/EP pipe finishing, medium plate polishing, matte finishing, embossing, plasma cutting, etc.
Main Applications: Our products are widely used in industries such as solar energy, pressure vessels, boilers, electric heating equipment, petrochemicals, environmental protection machinery, pharmaceutical and food processing, and new energy vehicles.
Our processing center is located in Xishan District, Wuxi City, covering nearly 10,000 square meters, with an experienced technical and service team. We adhere to the business philosophy of "Technology First, Quality Oriented, Service Supreme" , providing 24/7 warehousing and logistics support as well as comprehensive after-sales service. Yansheng Tech is committed to being your trusted long-term partner.
Frequently Asked Questions (FAQ)
Q1. What products do you mainly supply?
We mainly supply stainless steel (304/316/BA/EP pipes), carbon steel, silicon steel, copper, aluminum, and other materials in sheets, pipes, and coils. Customized processing services are also available.
Q2. Do you have stock available?
Yes, we maintain sufficient stock for most standard specifications. For non-standard sizes, we can accept orders with reasonable lead time.
Q3. Can you provide MTC (Mill Test Certificate)?
Yes, we provide MTC for every shipment. Third-party inspection (SGS, TÜV, BV, etc.) is also available upon request.
Q4. Do you support video inspection before shipment?
Yes, we fully support video inspection. You can also arrange an agent or third party to visit our factory for on-site inspection before shipment.
Q5. What are your main export markets?
We export to Southeast Asia, the Middle East, Europe, Africa, and South America. We have rich experience in international trade and export documentation.
Q6. What payment terms do you accept?
We accept T/T (wire transfer), L/C at sight (irrevocable), and sometimes a combination of T/T deposit + L/C balance. Payment terms are negotiable based on order size and customer history.
Q7. Can you provide samples?
Yes, samples are available for most standard products. For custom sizes, we may need to produce small batch samples. Sample cost and shipping are usually borne by the customer, but can be discussed.
Q8. What is your typical lead time?
For stock items: 7–10 days after order confirmation. For custom production: 20–30 days, depending on the specification and quantity.
Q9. What quality certifications do you have?
We provide MTC with every shipment. Our partner mills are ISO9001 certified. We can also assist with third-party inspections (SGS, TÜV, BV) upon request.
Q10. How can I get a quotation?
Please send us your material grade, specification (size, thickness, length), quantity, and preferred trade term (FOB, CIF, DAP, etc.). We will reply with a detailed quotation within 24 hours.
Send Inquiry to This Supplier
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