English 
Español 
Français 
Deutsch 
Português (Brasil) 
Русский 
العربية 
Carbon Steel I Beam Hot Rolled Structural Steel H Beam ASTM A36 S235JR S275JR for Building Construction
China
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of Carbon Steel I Beam
| Property | Parameter | Description |
|---|---|---|
| Product Name | Carbon Steel I Beam | Hot rolled structural carbon steel I beam for construction and engineering |
| Material Grade | ASTM A36 / Q235B / S235JR / SS400 | Equivalent international grades for structural carbon steel |
| Standard Compliance | ASTM A6/A36, EN 10025-2, JIS G3101, GB/T 706 | Conforms to major international structural steel standards |
| Carbon (C) | ≤ 0.26% | Per ASTM A36 chemical composition requirements |
| Manganese (Mn) | 0.60 - 1.20% | Enhances strength and hardenability |
| Silicon (Si) | ≤ 0.40% | Deoxidizer, improves strength |
| Phosphorus (P) | ≤ 0.040% | Controlled to ensure weldability and toughness |
| Sulfur (S) | ≤ 0.050% | Minimized to prevent hot shortness |
| Tensile Strength | 400 - 550 MPa | Per ASTM A36: 400-550 MPa (58-80 ksi) |
| Yield Strength | ≥ 250 MPa | Per ASTM A36: min 250 MPa (36 ksi) |
| Elongation | ≥ 20% | Measured on 200 mm gauge length per ASTM A36 |
| Size Range | Height: 100 - 900 mm; Flange Width: 68 - 300 mm; Web Thickness: 4.5 - 18 mm; Length: 6 - 12 m | Customized lengths available upon request |
| Surface Finish | Hot rolled black / Shot blasted / Primed | Optional anti-rust primer coating or galvanized finish |
| Application | Building structures, bridges, industrial plants, machinery frames, platforms | Widely used in load-bearing structural frameworks |
| Certification | ISO 9001, CE (EN 10025), Mill Test Certificate EN 10204 3.1 | Third-party inspection available (SGS, BV, Lloyd's) |
| Packaging | Bundled in hexagonal bundles, steel strip strapped, waterproof paper wrapped | Seaworthy packaging for export; tagged with heat number |
| MOQ | 25 Metric Tons | Smaller quantities negotiable for trial orders |
Carbon Steel I Beam Hot Rolled Structural Steel H Beam ASTM A36 S235JR S275JR for Building Construction
Carbon steel I beam is a fundamental structural steel section that serves critical roles in modern building construction, bridge engineering, and industrial infrastructure projects worldwide. Manufactured through the hot rolling process, these I-shaped steel profiles deliver an exceptional strength-to-weight ratio that makes them indispensable for load-bearing frameworks. Available in internationally recognized grades including ASTM A36, S235JR, and S275JR, our carbon steel I beams meet the rigorous demands of commercial high-rises, warehouse structures, mezzanine platforms, and heavy-duty industrial facilities. As a mill-direct supplier with over a decade of export experience, we provide premium grade hot rolled structural steel beams with full mill test certificates, ensuring every shipment meets or exceeds applicable ASTM A6/A6M and EN 10025 standards. Whether you require standard I beam profiles or wide-flange H beam sections, our comprehensive inventory and custom cutting services are designed to fulfill your project specifications with precision and reliability.
What Is a Carbon Steel I Beam?
A carbon steel I beam — also referred to as a universal beam or W-shape — is a structural steel section characterized by its distinctive "I" or "H" cross-sectional profile. This geometry consists of two horizontal flanges connected by a vertical web, engineered to resist bending and shear forces efficiently. Carbon steel I beams are produced by passing heated steel billets through a series of rolling mills at temperatures exceeding 1,100°C, forming the final profile with tight dimensional tolerances. The carbon content typically ranges from 0.15% to 0.25%, providing an optimal balance between weldability, ductility, and structural strength. These beams find extensive application in column-and-beam frameworks, bridge girders, crane runway systems, and residential foundation supports.
Carbon Steel I Beam Technical Specifications
Our hot rolled structural steel I beams and H beams are manufactured in strict compliance with international standards, ensuring consistent mechanical properties and dimensional accuracy across every production batch.
| Parameter | ASTM A36 | S235JR (EN 10025) | S275JR (EN 10025) |
|---|---|---|---|
| Yield Strength (min.) | 250 MPa (36 ksi) | 235 MPa | 275 MPa |
| Tensile Strength | 400–550 MPa (58–80 ksi) | 360–510 MPa | 410–560 MPa |
| Elongation (min.) | 20% (200 mm gauge) | 26% (min.) | 23% (min.) |
| Carbon Content (max.) | 0.26% | 0.17% | 0.21% |
| Density | 7.85 g/cm³ at 20°C | ||
| Beam Height Range | 100 mm – 900 mm | ||
| Flange Width Range | 50 mm – 400 mm | ||
| Length | 6 m, 9 m, 12 m, or custom cut-to-length | ||
| Surface Treatment | Black, painted, galvanized, or primer coated | ||
| Production Process | Hot rolled per ASTM A6/A6M dimensional tolerances | ||
All beams are delivered with mill test certificates (MTC EN 10204 3.1), and third-party inspection services such as SGS or BV are available upon request. Common sizes in stock include IPE, HEA, HEB, and wide-flange W-series profiles suitable for diverse structural engineering applications.
Key Applications of Hot Rolled Structural Steel I Beams
Carbon steel I beams and H beams are engineered to perform in the most demanding construction environments. Primary applications include steel-framed commercial buildings where A36 beams support floor loads exceeding 15 kN/m², highway and railway bridge girders requiring superior fatigue resistance, industrial plant columns subjected to dynamic crane loads, and residential construction where S235JR or S275JR beams provide cost-effective structural support. Their outstanding weldability and machinability also make them ideal for prefabricated steel structures, offshore platform frameworks, and seismic-resistant building designs.
Get a Competitive Quote for Carbon Steel I Beams
Partner with us for mill-direct rates on hot rolled structural steel I beams and H beams. Our dedicated export team ensures seamless logistics from production to delivery, with flexible order quantities starting from just 5 metric tons.
- 24/7 customer support available
- Free samples for quality evaluation
- Competitive pricing for bulk orders
- Professional technical consultation
Contact us today to get your free quote within 24 hours!
Ratings & Reviews
Know your supplier
Product Display
FAQ
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
