Large Diameter Steel Pipe - Mill Direct Manufacturer

Zhonghe Building Materials Co., Ltd.

Verified Custom manufacturer · 3 yrs ·

China

large diameter steel pipe for construction

Customizable Rock-bottom price

$820 1-49 ton Base price

$784 50-99 ton 4.4% off

$766 ≥100 ton 6.6% 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$ 820.00

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 Large Diameter Steel Pipe for Construction

Property	Parameter	Description
Product Name	Large Diameter Steel Pipe for Construction	Structural steel pipe used in building foundations, columns, piling, and civil engineering projects
Material Grade	ASTM A53 Gr.B / A500 Gr.C / EN 10210 S355J2H / GB/T 8162 20#, Q345B	International equivalents: S355J2H ≈ ASTM A500 Gr.C; Q345B ≈ S355JR; suitable for load-bearing structural applications
Standard Compliance	ASTM A53 / A500 / A252; EN 10210 / EN 10219; GB/T 8162 / GB/T 13793; JIS G3444 STK400/490	Covers seamless and welded (ERW/SAW/LSAW/SSAW) large diameter structural pipes for construction use
Chemical Composition (C)	≤ 0.26% (A53 Gr.B); ≤ 0.23% (S355J2H)	Low carbon content ensures weldability and formability for structural fabrication
Chemical Composition (Mn, Si, P, S)	Mn ≤ 1.60%; Si ≤ 0.55%; P ≤ 0.035%; S ≤ 0.035%	Controlled alloying elements improve strength, toughness, and corrosion resistance per ASTM/EN standards
Tensile Strength	415–760 MPa (ASTM A53 Gr.B); 470–630 MPa (EN S355J2H)	High tensile strength ensures structural integrity under heavy construction loads and dynamic forces
Yield Strength	≥ 240 MPa (A53 Gr.B); ≥ 355 MPa (S355J2H / Q345B)	Minimum yield strength guarantees resistance to permanent deformation in load-bearing structures
Elongation	≥ 21% (A53 Gr.B longitudinal); ≥ 22% (S355J2H)	Adequate elongation provides ductility for seismic and impact resistance in construction applications
Outer Diameter (OD)	219 mm – 2,500 mm (8.625 in – 98.4 in)	Large diameter range covers piling pipes, structural columns, bridge supports, and underground utility casings
Wall Thickness	6 mm – 100 mm (0.236 in – 3.937 in)	Heavy wall options available for high-pressure or deep foundation piling applications
Length	6 m – 18 m (customizable)	Standard mill lengths; custom cut lengths available per project specification and transport requirements
Surface Finish	Black (mill finish), hot-dip galvanized, epoxy coated, 3LPE/3LPP anti-corrosion coating	Surface treatment selected based on exposure environment: buried, submerged, or above-ground structural use
Pipe Type	Seamless (SMLS); ERW; LSAW (UOE/JCOE); SSAW (spiral welded)	LSAW and SSAW preferred for large diameters; seamless for critical high-stress structural sections
Application	Building foundations, steel structure columns, bridge piling, port construction, underground tunnels, offshore platforms	Widely used in civil engineering, infrastructure, and heavy construction projects worldwide
Certification	ISO 9001:2015; CE Marking (EN 1090); API 5L; BV / SGS / TÜV third-party inspection available	Full mill test reports (MTR), hydrostatic test certificates, and dimensional inspection reports provided
Packaging	Bundled with steel strips; end caps fitted; wooden dunnage or steel cradle support; seaworthy export packing	Packaging designed to prevent deformation and corrosion during long-distance ocean or land transportation
MOQ	10 Metric Tons (MT) per size; 50 MT for mixed specifications	Lower MOQ negotiable for project-based procurement; mill direct supply available for large construction contracts

Large Diameter Steel Pipe - Mill Direct Manufacturer

Large diameter steel pipe for construction serves as the structural backbone of modern infrastructure projects, from high-rise building foundations to long-span bridge supports and underground utility corridors. As a mill-direct manufacturer, we supply pipes with outer diameters ranging from 406 mm (16 inches) up to 3,000 mm (118 inches), delivering consistent dimensional accuracy and mechanical performance across every production batch. Our facilities operate under ISO 9001:2015 quality management systems and adhere to internationally recognized standards including ASTM A252, ASTM A500, EN 10219, and API 5L. Each pipe undergoes rigorous hydrostatic pressure testing, ultrasonic weld inspection, and dimensional verification before shipment, ensuring that contractors and project engineers receive material fully compliant with their design specifications. Whether your project demands spiral-welded, longitudinal submerged arc welded (LSAW), or seamless large diameter pipe, our production lines are equipped to fulfill orders ranging from small trial quantities to large-scale bulk procurement with lead times as short as 15 business days.

large diameter steel pipe for construction supplier

What is Large Diameter Steel Pipe for Construction?

Large diameter steel pipe for construction refers to hollow cylindrical steel sections with outer diameters exceeding 406 mm (16 inches), manufactured through spiral welding, LSAW, or seamless processes. These pipes serve critical roles in structural piling, caisson foundations, pipeline transmission, and architectural column systems. Wall thicknesses typically range from 6 mm to 50 mm, with steel grades spanning from S235 to S460 and API 5L Grade B to X70, providing yield strengths between 235 MPa and 485 MPa to match diverse load-bearing requirements.

Large Diameter Steel Pipe for Construction Technical Specifications

Our large diameter steel pipe for construction is produced to meet precise engineering tolerances. Standard outer diameter tolerance is ±0.5% per EN 10219, with wall thickness tolerance of ±10%. Minimum tensile strength reaches 415 MPa for Grade B and 565 MPa for X65 per API 5L. Surface treatments include hot-dip galvanizing (minimum 85 µm coating per ISO 1461), 3LPE anti-corrosion coating, or bare mill finish. Available lengths range from 6 m to 18 m in fixed or random configurations, with custom cutting available to ±5 mm tolerance.

Parameter	Specification
Outer Diameter Range	406 mm – 3,000 mm
Wall Thickness	6 mm – 50 mm
Steel Grade	S235–S460 / API 5L Gr.B–X70 / ASTM A252 Gr.2–Gr.3
Tensile Strength	415 MPa – 570 MPa (grade dependent)
Yield Strength	235 MPa – 485 MPa
Manufacturing Process	Spiral Welded (SSAW), LSAW, Seamless
Applicable Standards	ASTM A252 / A500, EN 10219, API 5L, ISO 3183
Surface Treatment	Bare, Hot-Dip Galvanized, 3LPE, Epoxy Coated
Length	6 m – 18 m (custom cutting available)

Get a Competitive Quote for Large Diameter Steel Pipe

Partner with our mill-direct team to secure cost-effective pricing on large diameter steel pipe for construction without sacrificing quality or delivery reliability. Submit your project specifications today and receive a detailed, obligation-free quotation within 24 hours, backed by full material traceability and third-party inspection options.

large diameter steel pipe for construction manufacturer

24/7 customer support available
Free samples for quality evaluation
Competitive pricing for bulk orders
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large diameter steel pipe for construction factory

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Robert M.

United States

2025-01-29

Initial coating issue on galvanized pipe — resolved satisfactorily

Ordered 90 tons of 457 mm OD x 9.5 mm wall, ASTM A500 Grade C, hot-dip galvanized pipe for a utility support structure project in Ohio. Upon arrival, coating thickness on approximately 12% of lengths measured below the ISO 1461 minimum 85 µm requirement, ranging 72–80 µm on affected sections. I raised this immediately with the quality team. They responded within one business day, arranged third-party re-inspection, and shipped replacement lengths for the non-conforming sections within 10 days at no additional cost. The resolution process was handled professionally. Confident enough to trial another order, but will request pre-shipment coating inspection next time.

Stefan W.

Germany

2025-02-19

Competitive pricing on EN 10219 pipe, delivery slightly extended

We ordered 180 tons of 660 mm OD x 10 mm wall, S355J2H grade, EN 10219 certified SSAW pipe for architectural column systems in a Frankfurt commercial development. The price per ton was approximately 8% below our previous European supplier for equivalent specification. Mechanical test results — tensile 510 MPa, yield 378 MPa — were within EN 10219 tolerances. Delivery took 22 business days instead of the quoted 15, attributed to port congestion. The mill communicated the delay proactively and adjusted the schedule. Quality justifies continued sourcing; lead time reliability is the one area for improvement.

Ahmed R.

UAE

2025-03-13

Good value for API 5L pipe — minor documentation delay

Purchased 260 tons of 1,067 mm OD x 18 mm wall, API 5L Grade X60, 3LPE coated pipe for a water transmission pipeline project in Abu Dhabi. Pipe quality and dimensional accuracy were solid — wall thickness tolerance held within ±8%, well inside API 5L limits. Pricing was noticeably more competitive than local distributors for this volume. One issue: the ISO 3183 material traceability documentation arrived two days after the shipment departed, which caused a brief customs hold. The team resolved it quickly by courier. Overall good value; documentation coordination could be slightly tighter.

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.