Structural Steel I-Beams for Building - Mill Direct Supplier

Zhonghe Building Materials Co., Ltd.

Verified Custom manufacturer · 3 yrs ·

China

Customizable Rock-bottom price

$510 1-49 ton Base price

$488 50-99 ton 4.3% off

$476 ≥100 ton 6.7% off

Price validity: subject to market conditions

Supplier's customization ability

Drawing-based customization
Sample-based customization
Full customization

Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 510.00

Start order request

Payment and delivery

Payment:: by contract — deposit, balance after your inspection
Lead time:: confirmed with the quotation
Packaging:: standard export packing
Samples:: available on request

Product details

Technical Specifications of Structural Steel I-Beams for Building

Property	Parameter	Description
Product Name	Structural Steel I-Beams for Building	Hot-rolled I-shaped steel beams used in structural building frameworks
Material Grade	A36 / A992 / S235JR / S355JR / Q235B / Q355B	A36 (ASTM), A992 (ASTM), S235JR / S355JR (EN 10025), Q235B / Q355B (GB/T 700)
Standard Compliance	ASTM A6 / EN 10034 / JIS G3192 / GB/T 706	Meets dimensional and mechanical requirements per international structural steel standards
Chemical Composition (C)	≤ 0.26% (A36) / ≤ 0.23% (S355JR)	Carbon content controls hardness and weldability
Chemical Composition (Mn)	≤ 1.60% (A36) / ≤ 1.70% (S355JR)	Manganese enhances strength and toughness
Chemical Composition (P / S)	P ≤ 0.04% / S ≤ 0.05%	Low phosphorus and sulfur improve ductility and reduce brittleness
Chemical Composition (Si)	≤ 0.40% (S355JR) / ≤ 0.40% (Q355B)	Silicon acts as deoxidizer and improves strength
Tensile Strength	400–550 MPa (A36: 400–550 MPa; S355JR: 470–630 MPa)	Per ASTM A36 and EN 10025-2; ensures load-bearing capacity under structural loads
Yield Strength	≥ 250 MPa (A36) / ≥ 355 MPa (S355JR) / ≥ 235 MPa (Q235B)	Minimum yield strength defining elastic limit for structural design calculations
Elongation	≥ 20% (A36) / ≥ 22% (S235JR) / ≥ 20% (S355JR)	Measured on 200 mm gauge length; indicates ductility and energy absorption capacity
Beam Height (h)	100 mm – 900 mm	Standard I-beam depths covering light to heavy structural applications
Flange Width (b)	50 mm – 300 mm	Wider flanges provide greater lateral stability and bending resistance
Length	6 m – 18 m (custom lengths available)	Standard mill lengths; cut-to-length service available upon request
Surface Finish	Hot-rolled mill scale / Shot blasted / Primer coated	Mill scale as standard; shot blasting (Sa 2.5) and primer coating available for corrosion protection
Application	Building frames, floor beams, columns, bridges, industrial structures	Widely used in commercial, residential, and industrial construction as primary load-bearing members
Certification	ISO 9001:2015 / CE Marking / Mill Test Certificate (EN 10204 3.1)	Third-party inspection and material traceability documentation available
Packaging	Bundle with steel strapping; wooden dunnage protection	Bundled in 2–5 MT per bundle; seaworthy export packing available for international shipment
MOQ	25 MT per grade/size	Mixed sizes accepted within same grade; smaller trial orders negotiable

Structural Steel I-Beams for Building - Mill Direct Supplier

Structural steel I-beams for building construction serve as the skeletal backbone of modern infrastructure, delivering unmatched load-bearing performance across commercial, industrial, and residential projects. As a mill-direct supplier with over two decades of manufacturing experience, we provide certified I-beams engineered to meet the most demanding structural requirements worldwide. Our production capacity exceeds 50,000 metric tons annually, enabling reliable supply for projects of every scale — from single-story warehouses to high-rise developments. Each beam undergoes rigorous dimensional and mechanical testing before shipment, ensuring full compliance with ASTM A992, EN 10025, and GB/T 11263 standards. Whether your project demands standard wide-flange sections or custom-cut lengths, our technical team is ready to deliver precision-engineered solutions at mill-direct rates, eliminating middlemen and reducing your overall procurement costs significantly.

Structural steel i-beams for building supplier

What Are Structural Steel I-Beams for Building?

Structural steel I-beams — also referred to as H-beams or wide-flange beams — are hot-rolled steel sections with an I-shaped or H-shaped cross-section specifically designed to resist bending and shear forces. The flanges carry axial loads while the web resists shear stress, making these profiles ideal for horizontal spanning in floors, roofs, bridges, and multi-story building frames. Available in grades such as S275, S355, A36, and A992, they offer a yield strength ranging from 250 MPa to 460 MPa depending on grade selection.

Structural Steel I-Beams Manufacturing Process

Our structural steel I-beams are produced through continuous hot-rolling of billets heated to approximately 1,200°C, passing through a series of calibrated rolling mills that progressively form the web and flanges to precise dimensional tolerances. Post-rolling, beams undergo controlled cooling to optimize internal grain structure and mechanical properties. Straightness is verified to within ±3 mm per 1,000 mm of length per EN 10034, and surface quality is inspected per ISO 8501-1 before anti-corrosion coating or dispatch.

Structural Steel I-Beams Technical Specifications

Our standard product range covers depth profiles from 100 mm (IPE 100) to 600 mm (IPE 600) and wide-flange sections from W4×13 to W36×280 per ASTM A6. Key mechanical properties include a minimum yield strength of 345 MPa, ultimate tensile strength of 450–600 MPa, and a Charpy impact value of ≥27 J at −20°C for S355J2 grade. Section weights range from 8.1 kg/m to over 280 kg/m. Custom lengths up to 18 meters are available with ±5 mm cutting tolerance.

Get a Competitive Quote for Structural Steel I-Beams for Building

Partner with a trusted mill-direct source for your next building project and benefit from transparent pricing, verified certifications, and end-to-end logistics support. Our sales engineers are ready to match your project specifications with the most cost-effective beam profile and grade — contact us now for a tailored proposal.

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!

Structural steel i-beams for building manufacturer

Structural steel i-beams for building wholesale

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Liam B.

United Kingdom

2025-02-01

Surface rust on outer bundle layers — supplier arranged replacement material promptly

Ordered 75 tons of IPE 270 in S275JR for a school extension project in Leeds. On arrival, the outer layer of two bundles showed light surface rust beyond what we consider acceptable for a painted structure, likely from inadequate wrapping during sea transit. We raised a formal NCR with photos within 24 hours. The supplier accepted liability, arranged replacement beams from a regional stockholder within five working days, and issued a credit note for the inspection cost. The replacement material was in good condition and the project schedule was only marginally affected. Quality of the unaffected beams was fine. Communication during the resolution was professional — I would trial them again with tighter packaging instructions specified upfront.

Fatima A.

UAE

2025-02-22

Competitive pricing on IPE 500 S355 for logistics hub project — delivery met our port window

We sourced 145 tons of IPE 500 in S355JR grade for a logistics hub structure in Dubai South. The quote turnaround was under 20 hours and pricing was competitive versus regional distributors, particularly given the EN 10025 certification included. Shipment arrived at Jebel Ali within the agreed 22-day window, which was critical for our crane booking schedule. Deducting one star because the initial packing list had a minor section weight discrepancy that required correction before customs clearance — added half a day to our process. Technical support team was responsive throughout and the beam quality itself was without issue.

David C.

United States

2025-03-16

Strong value on bulk W12 order — minor paperwork delay at origin worth noting

Purchased 210 tons of W12×53 beams in ASTM A992 for a distribution centre project in Ohio. Pricing came in 11% below our domestic mill quote for equivalent certified material, which was the deciding factor. Beam quality was solid — tensile test results and chemistry all within spec. The one issue was a three-day delay getting the original 3.1 mill certificates couriered from the mill; digital copies were available immediately but our bank required originals for the LC. Supplier resolved it quickly and offered to courier express at their cost on future orders. Good overall value.

Know your supplier

Zhonghe Building Materials Co., Ltd.

3 yrs on Sinoali.com

Located in China

Company information More goods

FAQ

Q: What standards do your structural steel products comply with?

A:Our structural steel mainly conforms to international standards such as ASTM, EN, BS, JIS and GB, which can meet different project requirements.

Q: Can you provide MTC (Mill Test Certificate) for each batch?

Q: What is the yield strength of your structural steel?

Q: Do you accept customized sizes and lengths?

Q: Can you offer anti-corrosion treatment like painting or galvanizing?

Q: What packaging and loading methods do you use?

Product display

Zhonghe Building Materials Co., Ltd. is a professional industrial manufacturer and supplier focusing on high-quality building materials. We specialize in a full range of steel building materials, covering reinforcing steel bars, galvanized steel products, corrugated steel sheets, structural steel pipes and other related metal construction materials.

Equipped with advanced production lines and precision testing equipment, the company implements strict full-process quality control and holds authoritative industry qualification certificates. We maintain sufficient spot inventory, adopt standardized export packaging, and ensure stable delivery cycles to meet global customer demands.

Our products are widely applied in construction engineering, machinery manufacturing, shipbuilding, energy and infrastructure projects. Adhering to the principle of quality first and customer-oriented service, we are committed to providing reliable building material solutions and long-term stable cooperation for global clients.