Construction Engineering Steel Tube For Sale Factory

Zhonghe Building Materials Co., Ltd.

Verified Custom manufacturer · 3 yrs ·

China

Customizable Rock-bottom price

$590 10-499 ton Base price

$569.99 500-999 ton 3.4% off

$565 ≥1000 ton 4.2% 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$ 590.00

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 Construction Engineering Steel Tube

Property	Parameter	Description
Product Name	Construction Engineering Steel Tube	Structural steel tube for construction and civil engineering applications
Material Grade	Q235B / Q355B / S355JR	Carbon structural steel and low-alloy high-strength steel grades
Size Range (OD)	21.3 mm – 914 mm	Outer diameter range covering standard construction specifications
Wall Thickness	1.5 mm – 50 mm	Available in light, medium, and heavy wall thickness options
Length	6 m – 12 m (custom available)	Standard mill lengths; cut-to-length service supported
Yield Strength	≥ 235 MPa – 355 MPa	Minimum yield strength depending on material grade selected
Tensile Strength	370 MPa – 630 MPa	Ultimate tensile strength per standard test requirements
Elongation	≥ 20%	Minimum elongation at fracture ensuring ductility
Surface Treatment	Black / Galvanized / Painted / Epoxy Coated	Anti-corrosion treatment options for various site environments
Tube Type	Seamless / ERW Welded / LSAW / SSAW	Manufacturing process selected based on pressure and load requirements
Straightness Tolerance	≤ 1.5 mm / m	Maximum allowable bow per meter of tube length
Packaging	Bundle (1,000 – 3,000 kg) / Bare / Wooden crate	Standard export bundling with steel strapping and end caps
Storage Conditions	Dry, covered warehouse; humidity ≤ 70%	Avoid direct contact with ground; use wooden or rubber supports
Application	Scaffolding, pile foundation, structural frame, formwork support	Widely used in building, bridge, tunnel, and infrastructure projects
Certification	ISO 9001 / CE / GB/T 8162 / EN 10210	Quality management and product standard certifications
MOQ	5 tons	Minimum order quantity per specification or grade
Supply Capacity	5,000 tons / month	Monthly production and delivery capacity from mill stock

Construction Engineering Steel Tube For Sale Factory

Construction engineering steel tube is the backbone of modern infrastructure, providing the structural integrity and load-bearing performance that demanding building and civil engineering projects require. As a direct factory supplier, we manufacture and supply high-precision steel tubes engineered to meet the rigorous standards of construction professionals worldwide. Whether your project involves high-rise buildings, bridge frameworks, underground pipelines, scaffolding systems, or heavy-duty industrial facilities, our construction engineering steel tube delivers consistent dimensional accuracy, superior mechanical strength, and long-term durability. Our production lines operate under strict quality control protocols, ensuring every tube batch complies with international standards including ASTM, EN, GB, and JIS specifications. With decades of manufacturing experience and a vertically integrated supply chain, we offer factory-direct pricing without compromising on material quality or delivery reliability. Contractors, engineering firms, and procurement teams across Asia, Europe, the Middle East, and the Americas trust our steel tubes to perform in the most challenging construction environments.

What is Construction Engineering Steel Tube?

Construction engineering steel tube refers to hollow cylindrical or rectangular steel sections manufactured specifically for structural and mechanical applications in building and civil engineering. These tubes are produced from carbon steel, alloy steel, or stainless steel through seamless or welded (ERW/LSAW/SSAW) processes. They are classified by shape (round, square, rectangular), wall thickness, outer diameter, and yield strength, and serve as primary load-bearing, bracing, and fluid-conveying components across construction projects of all scales.

Construction Engineering Steel Tube Manufacturing and Production Process

Our construction engineering steel tube is produced using continuous casting billets and hot-rolled coils sourced from certified steel mills. Seamless tubes undergo rotary piercing and mandrel rolling at temperatures exceeding 1,200°C, followed by precision sizing and straightening. Welded tubes are formed via high-frequency induction welding with automated ultrasonic testing on every weld seam. All products undergo hydrostatic pressure testing, eddy current inspection, and dimensional verification before final surface treatment — including black coating, hot-dip galvanizing, or anti-corrosion painting — depending on customer specifications and project environment requirements.

Construction Engineering Steel Tube Technical Specifications

Our standard construction engineering steel tube range covers outer diameters from 21.3mm to 1,420mm, wall thicknesses from 2.0mm to 80mm, and lengths from 6m to 12m (custom lengths available). Yield strength ranges from 235 MPa (Q235B/S235JR) to 690 MPa for high-strength structural grades. Tensile strength reaches up to 830 MPa for alloy steel variants. Chemical composition is tightly controlled with carbon content ≤0.25% for weldable structural grades. Impact toughness at -20°C meets a minimum of 27J (Charpy V-notch) for cold-climate applications. All tubes are traceable via heat number, mill test certificates (MTC/EN 10204 3.1), and third-party inspection reports from SGS, BV, or TÜV upon request.

Construction engineering steel tube supplier

Get a Competitive Quote for Construction Engineering Steel Tube

Ready to source premium construction engineering steel tube direct from our factory? We offer flexible MOQ policies, competitive ex-works and CIF pricing, and fast lead times of 7–25 days depending on specification and order volume. Submit your project requirements today and receive a detailed quotation within 24 hours.

Construction engineering steel tube manufacturer

Factory-direct pricing with no intermediary markups on all steel tube orders
Full mill test certificates and third-party inspection available for every shipment
Wholesale and bulk order discounts for contractors, traders, and engineering firms
Custom dimensions, grades, and surface treatments available on request
Reliable global logistics with sea freight, land transport, and door-to-door delivery options
Dedicated technical support team for specification selection and compliance guidance

Contact us today to get your free quote and availability list for construction engineering steel tube within 24 hours!

Construction engineering steel tube wholesale

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Liam F.

Australia

2025-02-01

Initial surface finish issue on galvanized tubes — resolved satisfactorily

Ordered 45 tons of hot-dip galvanized round steel tubes, 76.1mm OD x 4mm wall, AS/NZS 1163 equivalent grade, for outdoor structural framing in Queensland. On arrival, roughly 8% of the tubes in one bundle showed uneven zinc coating thickness below the 85 micron minimum we specified. Raised the issue with the supplier immediately — they responded within 24 hours, accepted the quality claim, and arranged a partial credit plus priority replacement shipment for the affected quantity, which arrived within 15 days. Issue was handled professionally. Will give them another chance on the next order.

Rajan M.

UAE

2025-02-22

Competitive pricing on API 5L pipe for pipeline project — worth the process

Sourced 120 tons of API 5L Grade X52 PSL2 seamless line pipe, 8-inch OD x 9.53mm wall, for an underground utility pipeline project in Abu Dhabi. CIF Jebel Ali pricing was noticeably better than regional distributors. Quality checks passed without issues — hydrostatic test and ultrasonic weld inspection reports were clean. Lead time was 23 days, which was acceptable. Communication response times could be slightly faster during the negotiation phase, but once the order was confirmed, execution was smooth. Would consider for future pipeline procurement.

Sophie W.

United Kingdom

2025-03-16

Good value structural tube — minor documentation delay noted

Purchased 75 tons of S355J0H cold-formed rectangular hollow sections, 120x80x5mm, per EN 10219, for a commercial building project in Leeds. Material quality was solid — yield strength test results averaged 398 MPa, well above the 355 MPa minimum. Our only issue was that the full MTC package arrived three days after the shipment documents, which caused a brief delay in our customs clearance. Supplier acknowledged the process gap and it was resolved quickly. Pricing was competitive and we would use them again with tighter documentation timelines agreed upfront.

Know your supplier

Zhonghe Building Materials Co., Ltd.

3 yrs on Sinoali.com

Located in China

Company information More goods

FAQ

Q: What types of steel pipes do you supply for building?

A:We supply seamless steel pipes, ERW welded pipes, galvanized steel pipes, square and rectangular steel pipes for construction use.

Q: What sizes and dimensions are available?

Q: Do you accept customized length or cutting service?

Q: Do you offer galvanized or anti-corrosion treatment?

Q: What packaging and loading method do you use?

Q: Can your steel pipes be used for structural and plumbing construction?

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.