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30/04/2024

FEATURE|Comparison of Common Mold Steel Grades in China and Other Countries

Mold steel is a type of steel used to make molds, such as cold stamping dies, hot forging dies, and die-casting dies. Molds are the main processing tools for manufacturing parts in industrial sectors such as machinery manufacturing, radio instruments, motors, and electrical appliances. Since the production standards of various countries are different, this has caused certain difficulties for customers in international trade. CSMC will organize and display the Chinese grades and other countries' grades to help customers conduct trade more smoothly.

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29/03/2024

FEATURE|The Brief Summary of Common Container Knowledge

Container refers to a large loading container with a certain strength, stiffness, and specifications specially designed for turnover use. The characteristics of containers are that they have a uniform format and can be stacked layer by layer. Therefore, they can be placed in large numbers on ocean-going ships. It can provide manufacturers around the world with high-volume shipping services that are cheaper than air freight.

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01/03/2024

FEATURE|The Shipping Company Indispensable in International Trade

In short, shipping companies help facilitate the smooth flow of international trade by providing comprehensive cargo transportation services. They play a key role in global supply chains, facilitating the flow of cross-border goods and supporting the globalized economy.

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29/01/2024

FEATURE|Common Stainless Steel Types References

Common stainless steel classifications include martensitic steel, ferritic steel, austenitic steel, duplex stainless steel, etc. There are many different stainless steel models under each classification. This article lists the model names of various stainless steel materials.

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29/12/2023

FEATURE| Common Stainless Steel Surface Processing (Treatment) Technologies

The stainless steel surface treatment process plays an important role in the manufacturing of stainless steel products, and it has a significant impact on the appearance, corrosion resistance, mechanical properties, and service life of the product.

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30/11/2023

FEATURE| Common Metal Surface Processing Technologies

In this article, CSMC will focus on seven surface treatment technologies. At the same time, CSMC will use pictures and text to illustrate these seven surface treatment processes. We hope this will be helpful to our customers.

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27/10/2023

FEATURE|Coating Color Reference for Prepainted Steel Plates--RAL Color Card

In this article, CSMC marks the colors of pre-painted steel plates commonly used in the steel trade according to the different coating materials on the surface of the pre-coated steel plates, hoping to help to customers.

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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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