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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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28/09/2023

FEATURE|Chinese and English Comparison of Names of Large Steel Factory in China

In this article, CSMC will focus on several famous steel mills, such as Beijing Shougang, Shanghai Baosteel, and Hebei Jingye. At the same time, CSMC will organize the names of large steel mills in China and match their Chinese names and abbreviations with their English abbreviations for customers' reference.

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31/08/2023

FEATURE|Correspondence between Chinese and other National Steel Grades

The steel grade is a numbering system used to identify different types and properties of steel. Every country or region has its steel grade system, and these grades are usually composed of numbers, letters, and symbols, which could describe the composition, properties, uses, and other information of steel.

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Short News

11/05 17:32

< On May 11, the price of scaffolding steel pipe in Tianjin has not risen significantly. 20# (ASTM 1020) YIZHOUDA 38*600(Brace) 739.91, up 1.47. (USD/ton)
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11/05 17:12

< On May 11, the price of stainless steel welded pipe in Wenzhou fell slightly. 304 common Φ40*40*3 (rough, square tube) 2327.12, down 16.18. (USD/ton)
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11/05 17:11

< On May 11, the price of steel-plastic composite pipe in Guangzhou remained stable. Q235 (ASTM A36 Gr.D) Ronggang DN150 (6"*4.0mm) plastic-coated, 1023.82. (USD/ton)

11/05 17:10

< On May 11, the price of Stainless Steel Strip Coil in Foshan did not change significantly. 304/NO.1 Dingxin 3.0*485-730 (hot rolled, slit edge) 2206.50. (USD/ton)

11/05 17:09

< On May 11, the price of 300 series hot-rolled stainless steel coil rose in Wuxi. 310S/NO.1 TISCO 5.0*1520*C (mill edge) 5288.24, up 51.48; 304/NO.1 TISCO 6.0*1520*C (mill edge) 2287.41, up 29.42. (USD/ton)
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11/05 17:07

< On May 11, the price of stainless steel round bars rose in Wenzhou. TP304 (304) Qingshan Φ100mm 2228.57, up 117.68. (USD/ton)
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Answers

What are the applications of tinplate products?
Tinplate (tin-plated steel) is primarily used in food and beverage packaging, such as cans, milk powder tins, and beverage bottle caps. It is also widely used in industrial containers for chemicals, paints, and aerosols, as well as in hardware and electronic products such as battery casings and electronic components. In addition, it is commonly used in gift boxes, tea tins, toys, and other daily necessities.
What are fixed length and random length. If I need 12-meter steel pipes, can you guarantee the exact length?
Corrosion Resistance Levels of Hot-Dip Galvanized Pipes?
The corrosion resistance of hot-dip galvanized pipes mainly depends on the zinc layer thickness and process quality. Internationally accepted grading standards are based on the zinc layer's unit area weight (g/m²) and microstructure:
Level 1 (Standard): Zinc layer thickness 85-120μm (600-900g/m²), using pure zinc coating, suitable for ordinary inland atmospheric environments, with an expected lifespan of 15-20 years.
Level 2 (Reinforced): Zinc layer 120-200μm (900-1500g/m²), with the addition of 0.3%-0.6% aluminum to form a Zn-Al alloy layer, improving weather resistance by 30%, suitable for high-humidity coastal areas.
Level 3 (Heavy-Duty): Zinc layer ≥200μm (above 1500g/m²), using a hot-spray zinc coating + sealed coating composite process, with salt spray resistance exceeding 5000 hours, suitable for C5-level corrosive environments such as chemical plants and offshore platforms.
Level 4 corrosion protection (special grade): Based on Level 3, an epoxy coal tar pitch or PE coating is added to form a dual protection system of "zinc layer + organic coating", and the service life of buried pipelines can reach 50 years.


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