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Help CenterCustom Size SS I Beam 304 304L 316L ASTM A484 Stainless Steel Structural I Beam Manufacturer
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As a specialized manufacturer established in 2017, Wuxi Yansheng Technology Co., Ltd. excels in producing high-quality Custom Size Stainless Steel Structural I Beams. Our beams, crafted from premium grades like 304, 304L, and 316L in compliance with ASTM A484, are engineered to meet the exact dimensional and strength requirements of your projects. With a factory spanning 1,000-3,000 square meters and a dedicated team of 101-200 professionals, we combine precision manufacturing with robust quality control systems to deliver structural components that offer superior corrosion resistance, load-bearing capacity, and long-term durability for demanding industrial and construction applications.
Our custom stainless steel I beams are designed to be the backbone of reliable structures. Below are the key features and technical specifications that define our product offering:
Material Versatility: Available in Austenitic stainless steel grades 304 (general purpose), 304L (lower carbon for welding), and 316L (enhanced corrosion resistance with Molybdenum).
Precision Customization: We manufacture beams to your specified flange width, web height, and thickness, ensuring perfect fit for unique architectural or engineering designs.
Manufacturing Process: Produced via hot rolling for standard sizes or cold drawing for tighter tolerances and finer surface finishes, depending on the order specification.
Surface Treatment Options: Finished surfaces can be supplied as rolled (mill finish), pickled (to remove scale), or polished to various grades for aesthetic or functional requirements.
Structural Integrity: The I-beam profile provides optimal moment of inertia and section modulus, offering excellent strength-to-weight ratio for efficient structural design.
Compliance & Traceability: Manufactured under a certified quality management system (ISO9001), ensuring consistent quality and full material traceability.
To provide a clear overview of our standard material properties and common dimensional ranges, refer to the following table. Note that final custom dimensions will be confirmed per your technical drawings.
| Attribute | Details / Typical Range |
|---|---|
| Primary Materials | AISI 304, 304L, 316L |
| Standard Compliance | ASTM A484 (for Stainless Steel Bars) |
| Common Flange Width (Custom) | 50 mm - 300 mm (or as specified) |
| Common Overall Height (Custom) | 100 mm - 600 mm (or as specified) |
| Web & Flange Thickness | Customizable per design load requirements |
| Typical Length | Standard 6m, or cut-to-length as required |
| Surface Finish | As Rolled, Pickled, Polished (No.4, No.8) |
| Main Applications | Structural frames, support beams, marine structures, chemical plant frameworks |
Choosing our custom beams brings distinct advantages to your project:
Project Fit Guarantee: Eliminates on-site modification needs and reduces assembly time by providing beams tailored to your blueprints.
Corrosion Resistance: Stainless steel construction ensures longevity in humid, coastal, or chemically aggressive environments, reducing maintenance costs.
Design Flexibility: Enables architects and engineers to realize innovative structural designs without being limited by standard beam sizes.
Quality Assurance: Our ISO9001 and ISO14000 certified processes guarantee that every beam meets stringent mechanical and dimensional specifications.
Global Logistics Support: With major shipment ports like Tianjin and Shanghai, and experience serving markets from North America to Oceania, we ensure reliable and timely delivery.
Our operational scale and market presence stand as a testament to our capability and reliability. With an annual export value ranging between US$50 Million and US$100 Million, and a track record of supplying to diverse regions including North America, Eastern Europe, Southeast Asia, and Oceania, we have built a reputation for delivering on complex custom orders. Supported by a portfolio of management system certifications like ISO9001, ISO14000, and OHSAS18001, our manufacturing is not only precise but also responsible. We invite you to leverage our expertise in stainless steel structural solutions. Contact us with your detailed requirements or drawings to receive a tailored quotation and technical support for your next project.
Frequently Asked Questions (FAQ)
Q1: What is the main difference between 304, 304L, and 316L stainless steel for I beams?
A: Grade 304 is a versatile, general-purpose austenitic stainless steel. 304L has a lower carbon content to minimize carbide precipitation during welding, making it preferable for welded structures. Grade 316L contains Molybdenum, offering significantly better resistance to pitting and corrosion in chloride environments, ideal for marine or chemical applications.
Q2: How "custom" can the dimensions be? What are the limitations?
A: We can customize the flange width, web height, web and flange thicknesses, and overall length. Limitations are primarily governed by the available raw material billet sizes and our rolling mill capabilities. We typically advise on feasibility during the quotation process based on your technical drawings.
Q3: Does ASTM A484 certification apply to the finished I beam?
A: ASTM A484 is the standard specification for stainless steel bars, which includes the raw material used for rolling such shapes. Our beams are manufactured from stainless steel that complies with the chemical composition and general requirements of ASTM A484. Final mechanical properties will meet the project's specified performance criteria.
Q4: What surface finishes are available and what are their typical uses?
A: We offer: As Rolled (Mill Finish) – economical, for non-aesthetic structural use; Pickled – removes oxide scale, provides a uniform dull finish; Polished (e.g., No.4, No.8) – for architectural applications where appearance is important or for easier cleaning in hygienic environments.
Q5: Can you provide cut-to-length beams or pre-drilled/tapped holes?
A: Yes. We provide precise cut-to-length services. Secondary processing like drilling, tapping, or end milling can be arranged as per your request. These are typically customizable options discussed during order confirmation.
Q6: What is your typical lead time for a custom order?
A: Lead time depends on the complexity, size, and quantity of the order. For standard custom profiles from our existing material stock, it can be 3-4 weeks. For entirely new profiles requiring specific raw material procurement, it may extend to 6-8 weeks. A precise timeline is provided with the quotation.
Q7: Do you provide material test reports or certification?
A: Yes. We can provide Mill Test Certificates (MTC) for the raw material, confirming chemical composition and basic mechanical properties. For the finished beams, dimensional inspection reports can be supplied. Specific certification requirements can be discussed.
Q8: What are your main shipping ports and packaging methods?
A: We primarily ship from Tianjin, Shanghai, Qingdao, and Ningbo ports. Beams are typically packaged in sturdy wooden crates or steel frames with protective wrapping to prevent damage during transit. Packaging details are tailored to the order size and destination.
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