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Structural Steel Beams Supplier - ASTM Mill Direct
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 Structural Steel Beams Supplier
| Property | Parameter | Description |
|---|---|---|
| Product Name | Structural Steel Beams | Hot-rolled I-beams, H-beams, W-beams and wide flange sections for structural applications |
| Material Grade | A36 / A992 / S275JR / S355JR / Q235B / Q345B | ASTM A36 ≡ S235JR; ASTM A992 ≡ S355J2; Q345B ≡ S355JR (international equivalents) |
| Standard Compliance | ASTM A6 / EN 10025 / JIS G3192 / GB/T 706 | Meets dimensional and mechanical tolerances per respective international rolling standards |
| Carbon Content (C) | ≤ 0.26% (A36) / ≤ 0.23% (S355JR) | Low carbon content ensures good weldability and formability |
| Manganese (Mn) | 0.80–1.20% (A992) / ≤ 1.60% (S355JR) | Enhances tensile strength and hardenability of the steel matrix |
| Phosphorus (P) / Sulfur (S) | P ≤ 0.035% / S ≤ 0.035% | Controlled impurity levels per EN 10025-2 and ASTM A36 requirements |
| Silicon (Si) | ≤ 0.40% (A36) / ≤ 0.55% (S355JR) | Deoxidizing element; improves strength without reducing ductility |
| Tensile Strength | 400–550 MPa (S275JR) / 470–630 MPa (S355JR) / 400–550 MPa (A36) | Per EN 10025-2 Table 7 and ASTM A36 Table 1; values vary by flange thickness |
| Yield Strength | ≥ 235 MPa (S235JR) / ≥ 275 MPa (S275JR) / ≥ 345 MPa (S355JR / Q345B) | Minimum yield strength at thickness ≤ 16 mm; decreases with increasing thickness |
| Elongation | ≥ 20% (A36) / ≥ 22% (S275JR) / ≥ 20% (S355JR) | Measured on gauge length L0 = 5.65√S0; ensures adequate ductility for seismic zones |
| Section Dimensions | Depth: 100–900 mm; Flange Width: 50–400 mm; Web Thickness: 4–30 mm | Available in IPE, HEA, HEB, HEM (European) and W4×13 to W36×300 (ASTM) series |
| Length | 6 m / 9 m / 12 m (standard) / up to 18 m (custom) | Mill lengths per order; cutting tolerance ±5 mm per EN 10279 |
| Surface Finish | Hot-rolled mill scale (as-rolled) / Shot-blasted Sa2.5 / Primer coated | Mill scale per ISO 8501-1; shot-blasted and primed options available on request |
| Application | Building frames, bridges, industrial platforms, crane runways, offshore structures | Suitable for primary and secondary structural members in civil and industrial construction |
| Certification | ISO 9001:2015 / CE Marking (EN 1090-2) / Mill Test Certificate EN 10204 3.1 | Third-party inspection by SGS, BV or TÜV available; full traceability per heat number |
| Packaging | Steel-banded bundles (2–5 MT per bundle); ends capped; waterproof paper wrapped | Bundled per ASTM A6 or EN 10025 packing guidelines; suitable for sea and land transport |
| MOQ | 25 MT per grade/section size | Mixed section sizes accepted within same grade; spot stock available for standard sections |
Structural Steel Beams Supplier - ASTM Mill Direct
As a trusted structural steel beams supplier operating on a mill-direct basis, we deliver certified, high-performance beams to construction projects, fabricators, and engineering firms across global markets. Our inventory spans wide flange (W-shape), I-beams (S-shape), and H-pile sections produced to ASTM A992, ASTM A36, and EN 10034 standards, ensuring dimensional consistency and mechanical reliability on every order. With decades of combined sourcing expertise and direct partnerships with major steel mills in Asia, Europe, and North America, we eliminate unnecessary intermediary markups — translating into genuinely cost-effective, mill-direct rates for our clients. Whether your project demands standard off-the-shelf profiles or custom-cut lengths with tight tolerance requirements, our logistics network supports fast lead times and flexible delivery to port, warehouse, or job site. Our technical team provides material test reports (MTRs), certified mill certificates, and third-party inspection coordination as standard practice, giving procurement managers and structural engineers the documentation confidence they need from the first inquiry through final delivery.
What Are Structural Steel Beams?
Structural steel beams are load-bearing rolled steel sections engineered to resist bending, shear, and compressive forces within building frames, bridges, industrial platforms, and infrastructure systems. Produced from carbon or high-strength low-alloy (HSLA) steel, they serve critical roles in transferring vertical and lateral loads to columns and foundations. Common profiles include wide flange (W), standard I-beam (S), and H-pile sections, each selected based on span requirements, load magnitude, and connection design. Their combination of superior strength-to-weight ratio and weldability makes them the preferred choice for modern structural engineering worldwide.
Structural Steel Beams Technical Specifications
Our structural steel beams inventory covers a broad dimensional range to meet diverse engineering demands. All sections conform to ASTM A992 or ASTM A36 standards, with mechanical properties independently verified through mill testing. Below are representative specifications across key parameters:
| Parameter | ASTM A992 (Wide Flange) | ASTM A36 (I-Beam) |
|---|---|---|
| Yield Strength (Min.) | 345 MPa (50 ksi) | 250 MPa (36 ksi) |
| Tensile Strength | 448 – 620 MPa | 400 – 550 MPa |
| Elongation (Min. in 200mm) | 18% | 20% |
| Carbon Content (Max.) | 0.23% | 0.26% |
| Density | 7.85 g/cm³ at 20°C | 7.85 g/cm³ at 20°C |
| Section Depth Range | W4 – W44 (100–1100 mm) | S3 – S24 (76–610 mm) |
| Standard Length | 6 m / 9 m / 12 m (custom available) | 6 m / 9 m / 12 m (custom available) |
| Surface Condition | Hot-rolled, mill scale or primed | Hot-rolled, mill scale or primed |
| Applicable Standards | ASTM A992 / AISC 360 | ASTM A36 / EN 10034 |
Beyond standard sections, we supply galvanized and primer-coated finishes for corrosion-sensitive environments, and can coordinate third-party inspection (SGS, BV, TÜV) prior to shipment. Minimum order quantities start at 5 metric tons for standard profiles, with full container load (FCL) pricing available for orders exceeding 20 metric tons.
Get a Competitive Quote for Structural Steel Beams
Partner with a structural steel beams supplier that combines ASTM-certified quality with transparent, mill-direct pricing. Share your section requirements, quantities, and delivery destination — our team will respond with a detailed quotation, available mill certificates, and lead time confirmation within 24 hours. No obligation, no hidden fees.
- 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! Request a Free Quote Now
