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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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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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Short News

09/01 17:27

< 300 Series Cold-Rolled Stainless Steel Coil, size: 3.0*1219*C, grade: 316L/2B(316L/2B), brand: TAIGANG. Guangzhou - Yuefa reduction by --30.25 tons

09/01 17:26

< On January 9, the price of hard cold-rolled coils in Shanghai rose slightly. SPCC-1B (ASTM A1008 CS) common 0.23*1000*C 554.18, up 10.02. (USD/ton)
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09/01 17:24

< On January 9, the price of galvanized steel sheet and coil remained stable in Rizhao. DC51D+Z (ASTM A653M CS) Rigang 1.2*1250*C (No Spangle 80g/㎡) 600.01 (USD/ton)

09/01 17:21

< On January 9, rebar prices rose slightly in Tianjin. HRB400E (ASTM A615 Grade 60) Jingye Φ20mm 459.67, up 8.59. (USD/ton)
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09/01 17:19

< Prepainted Steel Coil, size: 0.6*1000*C, grade: TDC51D+Z(ASTM A755/A755M), brand: BAOSTEEL. Shanghai - Caoan reduction by --48.30 tons

09/01 17:16

< Galvanized Square and Rectangular Tubes, size: 60*120*4.5, grade: Q235(ASTM A36 Gr.D), brand: ZHENGDA. Tianjin - Gangrui reduction by --7.36 tons

Answers

Why do aluminum alloys require surface oxidation treatment?
The surface oxide film on aluminum alloys can:
a. Provide corrosion protection: The dense oxide film formed on the surface of aluminum alloys prevents corrosion from oxides in the atmosphere, thus extending their service life.
b. Improve wear resistance: The high hardness of the oxide film improves the wear resistance and corrosion resistance of the aluminum alloy.
c. Enhance appearance: The oxide film of different colors formed on the surface of aluminum alloys after oxidation treatment enhances their decorative and aesthetic appeal.
d. Ensure color stability: The color of the oxide film on the surface of aluminum alloys is stable and does not easily change due to sun and rain exposure.
Do y have GOST 8732-75 standard, grade 20 steel, 32x3 gauge, 70 tons, FOB delivery?
Storage and transportation of color-coated steel sheets?
Transportation:
1. During transportation, maintain the original packaging in its factory condition and do not open it arbitrarily.
2. Keep the inside of the transport vehicle clean and use rubber mats to prevent dents or damage to the packaging.
3. The coils should be securely fastened to prevent damage or accidents caused by movement or rolling during transportation.
4. Do not drag the color steel sheets; otherwise, burrs will cause surface scratches.
5. Clamp the steel coils on both sides with wooden pads, or secure them to the vehicle with chains or wire.
6. Use anti-slip materials such as sheet metal or straw mats inside the truck bed. Steel straps (height greater than 2.5 times width) must be bundled into two bundles.
7. Use suction cups or soft slings during handling to avoid direct contact between the steel wire ropes and the sheet surface.

Loading and Unloading:
1. Use anti-slip materials inside the truck bed according to the weight of the steel coils; load horizontally, spreading evenly inside the truck from the rear to the middle.
2. Use rubber mats between the lifting equipment and the product to prevent collisions.
3. Do not stack.


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