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28/11/2025

FEATURE| Corrugated Steel Culvert: The Solution for Cost Reduction and Efficiency Improvement in Infrastructure Engineering

Using corrugated steel culverts instead of traditional concrete culverts for culvert construction offers unparalleled advantages in terms of construction time, cost, and environmental benefits. These trends collectively point to a safer, smarter, and more sustainable infrastructure future.

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02/12/2024

FEATURE| Main Shipping Routes for International Logistics Transportation

The routes of maritime transport are distributed between the oceans, which is also the advantage of maritime transport over other modes of transport. When choosing a route, the conditions of the cargo, ships, and ports must be considered, and a comprehensive assessment of the system organization must be made before a reasonable choice can be made.

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30/09/2024

FEATURE|The Analysis of the Development Status of Steel Market in Shandong Province(China)

Affected by the terminal market, domestic steel demand will continue to be sluggish, which will lead to inventory backlogs. Therefore, merchants generally begin to seek overseas orders. Domestic steel prices are in the global price trough, and the RMB exchange rate is still hovering at a low level, making China's steel exports more cost-effective.

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28/08/2024

FEATURE|The Analysis of the Impact of China's New Rebar Standard-GB 1499.2-2024

On June 25, 2024, China announced the new national standard for rebar -GB 1499.2-2024 (after this referred to as the new national standard) and announced that the policy would be officially implemented on September 25, with a buffer period of 3 months.

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29/07/2024

FEATURE| The Knowledge Summary of Seamless, Welded Steel Pipes, Stainless Steel Pipes, and Special-shaped Steel Pipes

A steel pipe is a steel material with a hollow section whose length is much greater than its diameter or circumference. Steel pipes have the advantages of high strength and durability, and those pipes are easy to cut, weld, and form.

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28/06/2024

FEATURE| Analysis of the Difference Between Galvanized Steel Sheet and Galvalume Steel Sheet & Plate

Galvanized steel sheet & plate and galvalume steel sheet & plate are two common anti-corrosion steel plates widely used in construction, automobiles, home appliances, and other fields. The two products have similarities and differences.

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04/06/2024

FEATURE|A New Fashion in the Field of House Construction, Colored Stone Metal Tile

Stone-coated metal roofing tile not only has the natural, deep, and excellent decorative properties of traditional clay tile but also has the light, strong, and durable performance of modern metal tile. It is the main trend in the development of international advanced roofing materials.

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Short News

26/12 17:14

< On December 26, the price of 200 series cold-rolled stainless steel coil in Foshan did not fluctuate significantly. 201 J1/2B Hongwang 0.8*1240*C (mill edge) 1163.00, up 7.13 (USD/ton)

26/12 17:10

< On December 26, the price of hot-rolled stainless steel plates in Wuxi saw a slight increase. 304/NO.1 TISCO 4.0*1500*6000 (slit edge) 1847.96, up 21.40 (USD/ton)
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26/12 17:09

< On December 26, the price of scaffolding steel pipe in Tianjin remained stable. Q235 (ASTM A36 Gr.D) Yizhouda 48*2.75*900 (horizontal pipe) 654.99. (USD/ton)

26/12 17:08

< On December 26, the price of stainless steel welded pipe in Wuxi rose slightly. 304 common Φ108*4 (rough) 1897.91, up 14.27. (USD/ton)
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26/12 17:06

< On December 26, the price of stainless steel round bars in Wenzhou increased. 316L Qingshan Φ60mm 3239.29, up 28.54. (USD/ton)
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26/12 17:05

< On December 26, the price of spring steel round bars in Shanghai remained stable. 65Mn (ASTM 1065) common Φ10-12mm 576.51. (USD/ton)

Answers

I need to purchase a batch of hot-dip galvanized steel sheets SGCC, thickness 1.2-2.0mm for engineering project in the Middle East. can you provide FOB quote for 32-ton order, including the approximate delivery time? please note: MTC required
The Difference Between Pre-galvanized Pipes and Hot-Dip Galvanized Pipes？
Pre-galvanized pipes are manufactured by coating a layer of zinc onto the surface of cold-rolled or hot-rolled steel sheets, forming galvanized sheets, and then processing and welding them into pipes. The iron material is manufactured first, and then galvanized. Hot-dip galvanized pipes, on the other hand, are manufactured by immersing the iron pipe in molten zinc after it has been cooled to a certain temperature, allowing the iron and zinc to react and form a zinc layer. In other words, the galvanizing process for hot-dip galvanized pipes is performed after the pipe is manufactured.

In terms of appearance, pre-galvanized pipes have a silver-gray appearance, a smooth surface, and good corrosion resistance. However, their corrosion resistance is relatively limited, making them suitable for applications requiring a smooth surface. They are corrosion-resistant, wear-resistant, and have high strength, but if used in a humid environment for extended periods, the zinc layer can easily corrode and peel off, significantly reducing their corrosion resistance.

Hot-dip galvanized pipes have a silver-white appearance, a rough surface, and even better corrosion resistance. They have good corrosion resistance, a long service life, and can adapt to various harsh environments, thus having a wider range of applications. However, its drawback is that the surface is relatively rough, making it unsuitable for applications requiring high surface finish.
What are the standard thicknesses for FBE coatings?
Generally, the thickness of a single-layer FBE coating is 300–450 μm, but for some special applications, the thickness may reach 1000 μm.

The corrosion protection effect of double-layer FBE coatings can be divided into standard and reinforced grades depending on the coating thickness. The standard grade coating thickness is 600 micrometers, while the reinforced grade reaches 800 micrometers.


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