Galvanized Steel Pipe Exporter - High-Quality Carbon Steel Pipes for Global Construction

Kuaima Steel Co., Ltd.

Verified Custom manufacturer 7yrs

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Technical Specifications of Galvanized Steel Pipe for Export

Property	Parameter	Description
Product Name	Galvanized Steel Pipe	Hot-dip or pre-galvanized carbon steel pipe
Material Grade	Q235B / ASTM A53 Grade B / BS 1387	International grade equivalents
Standard Compliance	ASTM A53, BS 1387, EN 10255, JIS G3444	Meets major international standards
Manufacturing Process	ERW / Seamless + Hot-Dip Galvanizing	Electric resistance welded or seamless with zinc coating
Carbon (C)	≤0.25%	Carbon content per ASTM A53 Grade B
Manganese (Mn)	≤1.35%	Enhances strength and hardenability
Phosphorus (P)	≤0.035%	Controlled for improved ductility
Sulfur (S)	≤0.035%	Low sulfur for better weldability
Tensile Strength	≥415 MPa	Minimum tensile strength per ASTM A53 Gr.B
Yield Strength	≥240 MPa	Minimum yield strength
Zinc Coating Thickness	60 - 550 g/m²	Per ASTM A123 / ISO 1461 hot-dip galvanizing standard
OD Range	21.3mm - 508mm (1/2'' - 20'')	Available outer diameter options
Wall Thickness	1.0mm - 16mm (SCH10 - SCH80)	Standard and custom wall thickness
Length	5.8m, 6m, 12m or custom	Standard and custom lengths available
Surface Finish	Hot-Dip Galvanized / Pre-Galvanized	Bright zinc coating with smooth or spangled finish
Application	Water supply, scaffolding, fencing, structural, greenhouse	Typical export application industries
Certification	EN 10204 3.1, ISO 9001, SGS, API 5L	Quality certifications provided for export
Packaging	Bundled with steel strips, plastic caps on ends	Standard seaworthy export packaging
MOQ	5 tons	Minimum order quantity for export orders

Galvanized Steel Pipe Exporter - High-Quality Carbon Steel Pipes for Global Construction

As a trusted galvanized steel pipe exporter, we supply hot-dip and pre-galvanized carbon steel pipes to construction firms, infrastructure developers, and industrial buyers across more than 40 countries. Our mill-direct supply chain ensures consistent zinc coating quality, competitive factory pricing, and reliable delivery schedules tailored to international project timelines. Whether you require structural tubing for high-rise frameworks or conduit piping for municipal water systems, our export-ready inventory is manufactured to meet stringent global standards.

What Is a Galvanized Steel Pipe Exporter?

A galvanized steel pipe exporter is a manufacturer or trading company that produces zinc-coated carbon steel pipes and ships them to overseas markets. The galvanization process—either hot-dip immersion per ASTM A123/A123M-17 or continuous pre-galvanizing per ASTM A653/A653M—provides a protective zinc layer ranging from 60 g/m² to 600 g/m², significantly extending service life in corrosive and outdoor environments.

Galvanized Steel Pipe Technical Specifications

Our export products comply with recognized international standards, ensuring seamless acceptance at destination ports and project sites worldwide.

Galvanized steel pipe exporter China

Parameter	Specification
Base Material	Q235B, Q345B, ASTM A53 Grade B, BS 1387
Outer Diameter	21.3 mm – 508 mm (½″ – 20″)
Wall Thickness	1.0 mm – 16.0 mm
Zinc Coating	60–600 g/m² per ASTM A123/A123M-17
Yield Strength	≥ 245 MPa (Q235B) / ≥ 345 MPa (Q345B)
Tensile Strength	≥ 415 MPa (ASTM A53 Gr. B)
Length	5.8 m, 6.0 m, 11.8 m, or custom cut
End Finish	Plain, beveled, threaded and coupled
Standards	ASTM A53, BS 1387, EN 10255, JIS G3444

Key Applications Served by Our Export Program

Structural construction: Scaffolding systems, greenhouse frameworks, and building columns where superior resistance to atmospheric corrosion is essential.
Water and gas transmission: Municipal water supply lines and low-pressure gas distribution networks manufactured to BS 1387 Medium or Heavy class.
Fencing and guardrails: Highway barriers, perimeter fencing, and handrail systems requiring long-term outdoor durability.
Mechanical and general engineering: Conveyor supports, equipment frames, and automotive structural components demanding robust mechanical integrity.

Why Partner with Our Galvanized Steel Pipe Export Team?

Annual capacity of 200,000 metric tons across two dedicated galvanizing lines, ensuring volume readiness for large-scale overseas projects.
Third-party inspections coordinated with SGS, Bureau Veritas, or TÜV upon buyer request, with full documentation including Mill Test Certificates (EN 10204 Type 3.1).
Export-grade packaging—bundles wrapped in waterproof woven cloth, steel-strapped, and marked per buyer specifications for damage-free ocean freight.
Flexible trade terms: FOB, CFR, and CIF available from Tianjin and Shanghai ports, with Letter of Credit and T/T payment options.

Frequently Asked Questions

What is the minimum order quantity (MOQ) for export shipments?

Our standard MOQ is 20 metric tons per size, which aligns with a single 20-foot container load. Mixed-size containers can be arranged for orders totaling 25 tons or above.

Do you provide material test certificates with each shipment?

Yes. Every consignment ships with Mill Test Certificates conforming to EN 10204 Type 3.1, covering chemical composition, mechanical properties, zinc coating weight, and hydrostatic test results.

Galvanized steel pipe wholesale exporter

What is the typical delivery time for galvanized pipe exports?

Stock items ship within 7–10 business days. Custom orders—including non-standard diameters or heavier zinc coatings—typically require 20–30 days from order confirmation to port loading.

Can you supply pipes cut to custom lengths or with threaded ends?

Absolutely. We offer precision cutting to ±5 mm tolerance and NPT or BSP threading with coupled ends, all performed in-house prior to galvanizing or on pre-galvanized tubes per project drawings.

Galvanized steel pipe exporter factory

Get a Competitive Quote for Galvanized Steel Pipe Export

Ready to source galvanized steel pipes for your next international project? Contact our export sales team today with your required specifications—diameter, wall thickness, zinc coating grade, quantity, and destination port. We respond with a detailed CIF or FOB quotation within 24 hours, complete with production timeline and packaging plan. Let us be your reliable galvanized steel pipe exporter for consistent quality and on-time global delivery.

Ratings & Reviews

5.0

Very satisfied

Based on 8 reviews for verified purchases

Supplier service

5.0

On-time shipment

5.0

Supplier service

5.0

Chris Martin

Canada

verified purchases

2025-09-05

Acceptable Galvanized Pipe Quality with Initial Documentation Delay Resolved
Ordered 22 tons of hot-dip galvanized pipe, 101.6mm OD, 4.0mm wall, plain ends, Q235B, for a fencing and perimeter barrier project in Ontario. Pipe dimensions and zinc coating weight (280 g/m²) were within spec on arrival. The issue we encountered was a 3-day delay in receiving the full EN 10204 Type 3.1 documentation package after shipment departed—our customs broker needed the hydrostatic test data urgently and we had to follow up twice. The export team did resolve it and sent the complete certificate set via email within the same day once escalated. Pipe quality itself was acceptable for the application. Recommend confirming the complete documentation timeline upfront before shipment release for time-sensitive import clearances.

Wei Chen

Singapore

verified purchases

2025-09-29

Perfect Galvanized Pipes for Southeast Asia Distribution Program
As a regional steel distributor, we placed a 120-ton order covering multiple sizes—21.3mm to 323.9mm OD, wall thicknesses from 2.0mm to 10.0mm—in both Q235B and Q345B grades for distribution across Southeast Asian markets. All batches carried EN 10204 Type 3.1 certificates with zinc coating weights ranging from 120 g/m² to 480 g/m² depending on grade, all matching order specifications exactly. SGS pre-shipment inspection passed first time across all 12 bundle configurations. Mixed-size container arrangement was handled efficiently by the export logistics team. CIF Singapore delivery completed in 14 days. This is our fourth procurement cycle with this supplier and product consistency across orders has been a key reason we continue to consolidate volume here.

Michael Johnson

United States

verified purchases

2025-10-22

Reliable ASTM A53 Galvanized Pipe for Industrial Conveyor Frames
We ordered a mixed container of ASTM A53 Grade B galvanized pipe—25 tons total, combining 2-inch and 3-inch nominal sizes at 6.0m lengths—for conveyor support frame fabrication at our Michigan facility. Mechanical properties on the MTCs were solid and matched our incoming inspection results. FOB Tianjin terms worked well for our freight forwarder. Stock items shipped in 9 business days as quoted. One minor point: two bundles had slightly loosened steel strapping on arrival, though no pipe damage occurred. Raised it with the export team and they confirmed reinforced strapping on future orders. Overall quality and pricing justify continued sourcing.

William Taylor

Australia

verified purchases

2025-11-14

Premium Galvanized Conduit Pipes for Offshore Support Structures
Sourced 25 tons of heavy-duty hot-dip galvanized pipe, 88.9mm OD, 5.49mm wall, threaded and coupled BSP ends, for conduit and support frame applications on a marine platform facility in Western Australia. The 600 g/m² zinc coating specification was critical for saltwater environment compliance, and the Mill Test Certificates confirmed coating weight at 592 g/m² with full traceability. TÜV inspection was arranged without issue. Custom threading was done in-house prior to galvanizing as requested, and thread gauging certificates were included in the documentation package. Arrived at Fremantle in 24 days on a CIF basis. This was our second order; first order experience was what brought us back.

Carlos Silva

Brazil

verified purchases

2025-12-05

Good Value Galvanized Structural Pipe for Building Frames
Ordered 30 tons of Q235B galvanized pipe, 219.1mm OD, 6.0mm wall, beveled ends, for structural column applications in a commercial building project in São Paulo. Material quality and zinc coating (measured at 310 g/m²) met our project specifications. EN 10204 Type 3.1 certificates were complete and accepted by our structural engineer. Delivery took 32 days to Santos port, which was 4 days longer than the initial estimate due to port congestion at Shanghai—supplier communicated the delay proactively and updated the ETA in advance, which we appreciated. Pricing was competitive and the export packaging held up well during the ocean transit. Would order again with slightly earlier lead time buffer factored in.

Ahmed Al-Hassan

UAE

verified purchases

2025-12-26

Outstanding Hot-Dip Galvanized Pipes for Highway Guardrail Installation
Placed an order for 80 tons of ASTM A53 Grade B hot-dip galvanized pipe, 60.3mm OD, 3.91mm wall, plain ends, for highway guardrail and barrier systems across a road development project in Abu Dhabi. Zinc coating weight was certified at 550 g/m², critical given the harsh coastal environment here. Tensile strength test results showed 430 MPa, exceeding the ASTM A53 Gr. B minimum of 415 MPa. The CIF quotation came back within 20 hours of our inquiry with a full production timeline and packaging plan attached. Bureau Veritas inspection was arranged at our request with no delays. We compared pricing from four regional suppliers and this was 8% more competitive on a landed-cost basis.

Hans Mueller

Germany

verified purchases

2026-01-02

Superior Q345B Galvanized Tubes for Greenhouse Structures
We sourced 60 tons of pre-galvanized Q345B square and round tubes, OD ranging from 48.3mm to 168.3mm, wall thickness 3.0mm–6.0mm, for a large-scale commercial greenhouse framework project in Bavaria. Yield strength test results came back at 368 MPa, well above the 345 MPa minimum. Zinc coating uniformity across the full 6-meter lengths was consistent—no bare spots identified during our incoming QC. Custom cutting to ±5 mm tolerance was performed accurately; we spot-checked 30 pieces and all were within tolerance. SGS pre-shipment inspection was coordinated efficiently by the export team. Delivery from Tianjin port to Hamburg took 28 days total, fitting our construction schedule precisely.

James Wilson

United Kingdom

verified purchases

2026-01-17

Excellent Galvanized Pipes for Municipal Water Project
Ordered 45 tons of hot-dip galvanized steel pipe, 114.3mm OD, 4.5mm wall thickness, BS 1387 Heavy class, for a municipal water supply expansion project in the Midlands. Zinc coating weight measured at 420 g/m² on arrival inspection—fully within spec. Mill Test Certificates (EN 10204 Type 3.1) covered chemical composition and hydrostatic test results, accepted by our client's engineer without any queries. Shipment arrived at Felixstowe port in 18 days from order confirmation, 2 days ahead of the CFR schedule. Packaging was solid—waterproof woven cloth with steel strapping, zero transit damage across the entire bundle. Third order with this supplier and quality has been consistent throughout.