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Hot-dip Galvanized Steel Pipe

Hot-dip Galvanized Steel Pipe
Hot-dip galvanized steel pipe can be understood as putting a layer of "heavy armor" on ordinary carbon steel pipe. Its core feature is that a dense protective layer is formed on the surface of the steel pipe through the hot-dip galvanizing process, thus solving the pain points of ordinary steel pipes, such as easy rusting and short lifespan.

No. 121, Daqiao Road, Licheng District, Jinan City

Product Description
Spot warehousing
Product Inspection
Product Measurement
Customer Feedback
Parameter categoriesSpecific projectsDetailed description/numerical range
Specifications and dimensionsNominal caliber (DN)DN6 - DN200 (Common)

 Small diameter: DN15 (4 fen), DN20 (6 inch), DN25 (1 inch)

 Medium diameter: DN50 (2 inch), DN100 (4 inch)

 Large diameter: DN150 (6 inch) and above

Outer diameter (OD)10.0mm - 219.0mm

For example: DN15 corresponds to an outer diameter of 21.3mm; DN100 corresponds to an outer diameter of 114.3mm

Wall thickness (WT)2.0mm - 8.0mm

 Generally divided into two categories: ordinary steel pipes and thickened steel pipes

length6m (most common fixed length)

 Custom sizes of 9m, 12m, or any length are available.

Materials and StandardsImplementation StandardsGB/T 3091-2015 Welded Steel Pipes for Low-Pressure Fluid Transportation

GB/T 13793-2016 Straight Seam Electric Welded Steel Pipes

Commonly used materialsQ235A / Q235B (Carbon structural steel, most commonly used)

Q195 (Good weldability)

Q345B (Low alloy, high strength)

Zinc coating parametersGalvanizing processHot-dip galvanizing
Zinc layer weight≥ 275g/m² (average value on both sides)

 Some higher standards may require 350g/m² or higher.

Zinc layer thicknessAverage thickness ≥ 65μm
Appearance featuresSilver-white color, with zinc flowers, bright surface, no unplated areas, and no white rust.
Mechanical propertiestensile strength370 MPa - 500 MPa
Yield strength≥ 235 MPa
elongation≥ 25%
Test pressureFor DN10-200mm, the pressure is 3.0 MPa. For DN>200mm, the pressure is 5.0 MPa (pressure-resistant and leak-proof).


仓库现货7


01

Acid and alkali resistance test

02

Zinc layer experiment

03

Bending test

04

Yield strength test

05

Tensile strength test

06

Spectral detection

07

Hardness testing

08

Chemical composition detection

壁厚测量

Thickness measurement

厚度测量

Thickness measurement

厚度测量666

Thickness measurement

半径测量

Radius measurement

直径测量

Diameter measurement

直径测量2

Diameter measurement

长度测量

Length measurement

涂层测量

Coating measurement

TESTIMONIALS

The quality of this batch of steel pipes far exceeded expectations. The material is uniform and thick, the cut is smooth and burr-free, and the installation is seamless. The project efficiency was maximized, and the cooperation was very pleasant!

Julian

Julian

Sales Director

We've collaborated several times, and the hardness and toughness of the steel perfectly meet our project standards. The delivery speed is fast, and the packaging is secure with no damage. A reliable supplier is our first choice!

John Smith

John Smith

Sales Director

The surface treatment of the steel pipe is very good, the anti-rust coating is uniform and firm, and the dimensional accuracy is very high. It does not require secondary processing at all, which greatly saves our time and costs.

Freya

Freya

Purchasing Manager

The steel is very cost-effective, has stable mechanical properties, and passed the test on the first try. Customer service responded promptly, and communication was very smooth. We will continue to cooperate with them in the long term.

Elara

Elara

Purchasing Manager

The custom-made irregular-shaped steel pipes perfectly replicated our design drawings. The workmanship was exquisite and flawless, and the delivery time perfectly met the project schedule. We are extremely satisfied with this purchase!

Lila

Lila

Purchasing Manager

 Online Consultation

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