Galvanized Steel Pipe for Construction - Durable & Corrosion-Resistant

Kuaima Steel Co., Ltd.

Verified Custom manufacturer · 7 yrs ·

China

Customizable Rock-bottom price

$640 1-49 ton Base price

$610 50-99 ton 4.7% off

$595 ≥100 ton 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$ 640.00

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 Galvanized Steel Pipe for Construction

Property	Parameter	Description
Product Name	Galvanized Steel Pipe for Construction	Hot-dip galvanized carbon steel pipe for structural use
Material Grade	Q235B / Q345B / ASTM A53 Grade B / BS 1387	Common construction-grade carbon steel
Standard Compliance	ASTM A53, BS 1387, EN 10255, GB/T 3091	Meets major international construction standards
Manufacturing Process	ERW (Electric Resistance Welded) + Hot-Dip Galvanizing	Welded pipe with zinc coating for corrosion protection
Carbon (C)	≤0.25%	Carbon content for structural strength
Manganese (Mn)	≤1.35%	Improves tensile strength and hardness
Phosphorus (P)	≤0.035%	Controlled for ductility
Sulfur (S)	≤0.035%	Low sulfur for improved weldability
Tensile Strength	≥330 MPa	Minimum tensile strength per ASTM A53 Grade B
Yield Strength	≥205 MPa	Minimum yield strength for structural applications
Elongation	≥23%	Ductility in 50mm gauge length
Zinc Coating Thickness	60 - 550 g/m²	Hot-dip galvanized per ASTM A123 / ISO 1461
OD Range	21.3mm - 219.1mm (1/2'' - 8'')	Standard nominal pipe sizes for construction
Wall Thickness	1.5mm - 10mm (SCH20 - SCH80)	Various schedules available
Length	5.8m, 6m, 12m or custom	Standard and custom cut lengths
Application	Scaffolding, structural framework, fencing, handrails	Typical construction industry applications
Certification	EN 10204 3.1, ISO 9001, CE, SGS	Quality certifications provided
Packaging	Bundled with steel strips, plastic caps on ends	Standard export packaging
MOQ	5 tons	Minimum order quantity

Galvanized Steel Pipe for Construction - Durable & Corrosion-Resistant

Galvanized steel pipe for construction serves as a fundamental structural and utility material across residential, commercial, and industrial building projects. Featuring a protective zinc coating applied through the hot-dip galvanizing process conforming to ASTM A123/A123M, these pipes deliver exceptional longevity in demanding environments. Contractors, project engineers, and procurement teams rely on galvanized steel pipe for its proven combination of mechanical strength, corrosion protection, and cost-effective lifecycle performance in scaffolding, water distribution, fencing, and structural framing applications.

What Is Galvanized Steel Pipe for Construction?

Galvanized steel pipe for construction is carbon steel tubing coated with a metallurgically bonded zinc layer, typically ranging from 300 g/m² to 600 g/m² per ASTM A653. This zinc barrier acts as a sacrificial anode, shielding the base steel from moisture, atmospheric exposure, and chemical contact. The result is a pipe product engineered for long-term outdoor and embedded service without the need for frequent maintenance or recoating.

Galvanized Steel Pipe Technical Specifications

Our galvanized construction pipe is manufactured according to ASTM A53/A53M Grade B and BS 1387 standards, ensuring consistent quality for structural and pressure-rated applications. Key parameters include:

Property	Specification
Outside Diameter	21.3 mm – 219.1 mm (1/2″ – 8″)
Wall Thickness	1.8 mm – 10.0 mm (SCH 20 to SCH 80)
Zinc Coating Weight	≥ 300 g/m² (interior & exterior) per ASTM A123
Yield Strength	≥ 240 MPa (Grade B)
Tensile Strength	≥ 415 MPa (Grade B)
Length	5.8 m, 6.0 m, or 12.0 m standard; custom cut available
End Finish	Plain end, beveled, or threaded and coupled
Standards	ASTM A53, BS 1387, EN 10255, JIS G3444

Key Applications in the Construction Industry

Structural frameworks: Columns, bracing, and truss members in low-rise and mid-rise buildings
Scaffolding and temporary works: Tube-and-coupler scaffolding systems complying with EN 12811
Water supply and drainage: Potable water lines and rainwater downpipes in municipal and residential projects
Fencing and guardrails: Perimeter security, highway barriers, and site hoarding posts
Greenhouse and agricultural structures: Corrosion-resistant framing for humid growing environments

Why Choose Our Galvanized Steel Pipe

With over 15 years of export experience, we supply galvanized pipe for construction projects across Southeast Asia, the Middle East, Africa, and South America. Every production batch undergoes zinc coating adhesion testing per ASTM A90, hydrostatic testing to 2.5 MPa, and dimensional inspection with certified instruments. Our mill operates an ISO 9001:2015-certified quality management system, and all shipments include EN 10204 Type 3.1 mill test certificates.

Galvanized steel pipe for construction supplier

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Our standard MOQ is 5 metric tons per size. For mixed-container orders combining multiple diameters, we accept a total minimum of 10 metric tons.

Galvanized steel pipe for construction wholesale

Do you provide material test certificates?

Yes. Each shipment is accompanied by an EN 10204 Type 3.1 mill test certificate covering chemical composition, mechanical properties, zinc coating weight, and hydrostatic test results.

What is the typical delivery time?

Stock sizes ship within 7–10 business days. Custom lengths or non-standard wall thicknesses require 20–30 days from order confirmation, depending on production scheduling.

Can you cut to custom sizes?

Absolutely. We offer precision cutting to any specified length with a tolerance of ±5 mm, along with threading, beveling, and groove-end processing upon request.

Get a Competitive Quote for Galvanized Steel Pipe

Ready to source galvanized steel pipe for your next construction project? Contact our sales team today with your required specifications—including size, wall thickness, quantity, and destination port. We provide factory-competitive pricing, flexible packaging options, and dedicated logistics support to ensure on-time delivery to your job site.

Galvanized steel pipe for construction China

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Chris Martin

Canada

2025-09-02

Acceptable Galvanized Pipe Quality — Coating Variance Resolved

Ordered 10 tons of 4-inch galvanized pipe (SCH 40, beveled ends) for an industrial water distribution retrofit in Alberta. Most of the shipment met spec, but our incoming inspection flagged three bundles where zinc coating weight measured at 287–295 g/m², slightly below the 300 g/m² ASTM A123 minimum. We raised this with the supplier and they responded within two business days, providing a re-inspection report and offering a partial replacement on the next order to compensate. The issue was handled professionally and the affected quantity was small relative to the total order. Mechanical properties and dimensional accuracy on all pieces were fine. We will trial another order to assess whether coating consistency has improved.

Wei Chen

Singapore

2025-09-17

Excellent Galvanized Pipe Supply for Mixed Container Order

Sourced a mixed 15-ton container combining four sizes (1/2-inch to 4-inch, SCH 40, threaded ends) for redistribution to construction clients across Southeast Asia. The supplier accommodated the mixed-container MOQ requirement without issue. All sizes were correctly labeled and bundled by diameter, which streamlined our warehouse sorting. JIS G3444 compliance documentation was included alongside ASTM A53 certificates for clients requiring either standard. Transit time from mill to Singapore port was 10 business days. We have now placed five orders through this supplier and pricing remains competitive relative to regional alternatives.

William Taylor

Australia

2025-10-12

Reliable Galvanized Pipe for Coastal Fencing Project

Ordered 8 tons of 2-inch and 3-inch galvanized pipe for perimeter security fencing at a coastal industrial facility in Queensland. Zinc coating at 310–330 g/m² is performing well in the salt-air environment — no red rust observed after four months. We received the EN 10204 Type 3.1 certificates promptly and the hydrostatic test results were clearly documented. Minor point: one bundle arrived with slightly damaged end caps, though the pipe itself was unaffected. Supplier responded within 24 hours and offered a credit for replacement packaging on the next order. Overall a reliable supply partner.