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Hot Rolled Structural Steel Sections - Mill Direct Supplier
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 Hot Rolled Structural Steel Sections
| Property | Parameter | Description |
|---|---|---|
| Product Name | Hot Rolled Structural Steel Sections | Includes I-beams, H-beams, channels, angles, and T-sections produced by hot rolling process |
| Material Grade | S235JR / S275JR / S355JR / S355J2 (EN); A36 / A572 Gr.50 (ASTM); Q235B / Q345B (GB); SS400 / SM490 (JIS) | International equivalent grades available; S355JR ≈ A572 Gr.50 ≈ Q345B ≈ SM490 |
| Standard Compliance | EN 10025-2, ASTM A36 / A572, GB/T 706, JIS G3192 | Compliant with major international structural steel standards for hot-rolled sections |
| Chemical Composition (C) | ≤ 0.20% (S355JR) / ≤ 0.26% (A36) | Carbon content controlled to ensure weldability and toughness |
| Chemical Composition (Mn) | ≤ 1.60% (S355JR) / ≤ 1.03% (A36) | Manganese enhances strength and hardenability |
| Chemical Composition (P / S) | P ≤ 0.035% / S ≤ 0.035% (EN 10025-2) | Low phosphorus and sulfur content to improve ductility and impact resistance |
| Chemical Composition (Si) | ≤ 0.55% (S355JR) | Silicon acts as deoxidizer and contributes to strength |
| Tensile Strength | 470–630 MPa (S355JR, EN 10025-2) / 400–550 MPa (S235JR) / 400–550 MPa (A36) | Ultimate tensile strength per referenced standard; varies by grade and section thickness |
| Yield Strength | ≥ 355 MPa (S355JR, t ≤ 16mm) / ≥ 235 MPa (S235JR) / ≥ 250 MPa (A36) | Minimum yield strength; decreases with increasing section thickness per standard tables |
| Elongation | ≥ 22% (S235JR) / ≥ 20% (S355JR) / ≥ 20% (A36) | Minimum elongation at fracture (gauge length L0 = 5.65√S0) per EN 10025-2 / ASTM |
| Section Dimensions | Web height: 50–900 mm; Flange width: 50–400 mm; Length: 6–18 m (standard); custom lengths available | Covers IPE, HEA/HEB/HEM (European), W/S shapes (ASTM), H-pile, UB/UC (BS), and equal/unequal angles |
| Thickness Range | Flange thickness: 5–100 mm; Web thickness: 4–60 mm | Dimensional tolerances per EN 10034, ASTM A6, or GB/T 706 |
| Surface Finish | As-rolled (black surface); mill scale present; shot blasting / primer coating available on request | Surface condition per EN 10163; rust grade A–B typical for as-rolled sections |
| Application | Building frames, bridges, industrial structures, crane rails, offshore platforms, heavy machinery bases | Widely used in civil engineering, construction, and infrastructure projects worldwide |
| Certification | CE Marking (EN 10025), Mill Test Certificate (EN 10204 3.1 / 3.2), ISO 9001:2015 | Third-party inspection by SGS, BV, TÜV available; material traceability guaranteed |
| Packaging | Bundle with steel strapping (standard); wooden dunnage for sea freight; bare or wrapped per buyer requirement | Bundle weight typically 2–5 MT; export packing compliant with ISPM 15 for wooden materials |
| MOQ | 25 MT per grade/size (stock items); 50 MT for custom rolling orders | Mixed container orders accepted; lead time 15–30 days for mill orders; ex-stock available for common sizes |
Hot Rolled Structural Steel Sections - Mill Direct Supplier
Hot rolled structural steel sections serve as the foundational framework behind some of the world's most demanding construction, infrastructure, and industrial fabrication projects. Produced by passing heated steel billets through a series of calibrated rollers at temperatures exceeding 1,000°C, these sections achieve precise cross-sectional geometry, uniform grain structure, and reliable mechanical performance across every linear meter. From multi-story commercial buildings and highway bridges to heavy machinery frames and offshore platforms, hot rolled structural sections deliver the load-bearing integrity that engineers and project managers depend on. Our mill-direct supply chain eliminates unnecessary intermediaries, enabling us to offer premium-grade sections — including I-beams, H-piles, channels, angles, and hollow sections — with full material traceability, certified test reports, and lead times calibrated to your project schedule. Whether you require standard stock dimensions or custom-rolled profiles, our technical team is ready to match your specification requirements with cost-effective, code-compliant solutions.
What Are Hot Rolled Structural Steel Sections?
Hot rolled structural steel sections are semi-finished or finished steel profiles manufactured through a thermomechanical rolling process at elevated temperatures, typically between 1,100°C and 1,250°C. The process yields a characteristic scaled surface finish and allows the steel to be shaped into standardized profiles — such as wide-flange beams (W/H sections), standard I-beams (S/IPE sections), angles (L sections), channels (C/U sections), and structural hollow sections (SHS, RHS, CHS) — conforming to international standards including ASTM A36, EN 10025, JIS G3101, and GB/T 700.
Hot Rolled Structural Steel Sections Technical Specifications
Our inventory covers a broad dimensional range and multiple steel grades to accommodate diverse structural demands. The table below summarizes key technical parameters for our most commonly supplied profiles:
| Parameter | Specification / Range | Standard Reference |
|---|---|---|
| Steel Grades | A36, S235JR, S275JR, S355JR/J0/J2, Q235B, Q355B | ASTM A36 / EN 10025 / GB/T 700 |
| Yield Strength | 235 MPa – 460 MPa (grade-dependent) | EN 10025-2 / ASTM A572 |
| Tensile Strength | 400 MPa – 630 MPa minimum | EN 10025-2 / ASTM A36 |
| Elongation at Break | ≥ 20% (A36 / S235JR); ≥ 17% (S355JR) | ASTM A370 / EN ISO 6892-1 |
| Charpy Impact (CVN) | 27 J minimum at 0°C (J0) / −20°C (J2) | EN 10025-2 |
| Density | 7.85 g/cm³ at 20°C | ISO 6892 |
| Carbon Equivalent (CEV) | ≤ 0.43 (S355JR); ≤ 0.40 (S235JR) | EN 10025-2 |
| Section Height Range | 100 mm – 1,000 mm (beams); 20 mm – 300 mm (angles) | EN 10034 / ASTM A6 |
| Length | 6 m, 9 m, 12 m standard; custom lengths available | Customer specification |
| Surface Condition | As-rolled (mill scale); shot-blasted Sa 2.5 on request | ISO 8501-1 |
| Certifications | Mill Test Certificate (MTC) EN 10204 3.1 / 3.2 | EN 10204 |
All hot rolled structural steel sections supplied by our facility undergo rigorous dimensional inspection, chemical composition verification via optical emission spectrometry (OES), and mechanical testing in accordance with the applicable international standard. Third-party inspection by SGS, BV, or TÜV is available upon request at no additional coordination charge.
Key Application Areas for Hot Rolled Structural Steel Sections
Hot rolled structural sections find extensive application across a wide spectrum of end-use environments. Their combination of reliable yield strength, weldability, and dimensional consistency makes them the preferred choice for structural engineers worldwide:
- Building construction: Primary and secondary framing for commercial, industrial, and residential structures using wide-flange and I-beam sections
- Bridge engineering: Girders, stringers, and cross-frames requiring sections with certified Charpy impact values down to −20°C
- Heavy equipment manufacturing: Crane booms, conveyor frames, and machine bases utilizing H-sections and structural channels
- Offshore and marine structures: Jacket platforms and berthing structures demanding S355J2 or equivalent high-toughness grades
- Infrastructure projects: Retaining walls, sheet pile support systems, and utility pylon foundations
Get a Competitive Quote for Hot Rolled Structural Steel Sections
As a mill-direct supplier of hot rolled structural steel sections, we deliver transparent pricing, certified documentation, and reliable logistics support to steel buyers, fabricators, and EPC contractors across global markets. Share your section profile, grade, quantity, and destination, and our technical sales team will respond with a detailed, itemized quotation — typically within 24 hours of inquiry receipt.
- 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!
