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  • 2024-04-30 00:00:00.0

    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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  • 2024-03-29 00:00:00.0

    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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  • 2024-03-01 00:00:00.0

    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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  • 2024-01-29 00:00:00.0

    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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  • 2023-12-29 00:00:00.0

    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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  • 2023-11-30 00:00:00.0

    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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  • 2023-10-27 00:00:00.0

    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
2024-05-20 17:01:12.0
< On May 20, the price of cold-rolled steel plates in Foshan showed a slight upward trend. SPCC (ASTM A1008 CS) Liugang 1.5*1250*2500mm 606.19, up 1.38. (USD/ton)
2024-05-20 17:00:08.0
< On May 20, the price of galvanized square & rectangular tubes in Handan showed a slight upward trend. Q235 (ASTM A36 Gr.D) Zhengda 50*100*3.75 (hot-dip galvanizing) 625.57, up 2.77. (USD/ton)
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2024-05-20 16:59:02.0
< On May 20, the price of 300 series cold-rolled stainless steel coil in Foshan remained stable. 304/2B TISCO 1.2*1219*C (slit edge) 1992.96. (USD/ton)
2024-05-20 16:57:46.0
< On May 20, the price of hard steel wire in Liaocheng rose slightly. 45-55# (ASTM 1045-1055) Weifang Special Steel Φ5.5 (hot rolling) 584.05, up 5.54. (USD/ton)
2024-05-20 16:43:32.0
< On May 20, the price of bridge steel plate has remained stable in Anyang. Q345qD (ASTM A709 Grade 50) 40 mm 726.80 (USD/ton)
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2024-05-20 16:43:05.0
< On May 20, the price of wear-resistant steel plate has remained stable in Tangshan. NM400 (AR400) 30 mm 729.57 (USD/ton)
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Answers

  • What do common annealing processes include?

    ① Complete annealing. ② Spheroidizing annealing. ③ Isothermal annealing. ④ Recrystallization annealing. ⑤ Graphitization annealing. ⑥Diffusion annealing. ⑦ Stress relief annealing.


  • What is the purpose of the annealing process for steel?

    ① Improve or eliminate structural defects and residual stress caused by steel casting, forging, rolling, and welding processes to prevent workpiece deformation and cracking.

    ② Soften the workpiece for cutting.

    ③ Refine the grains and improve the structure to improve the mechanical properties of the workpiece.

    ④ Prepare the structure for final heat treatment (quenching and tempering).


  • What are the main types of inspection equipment for color-coated board coating quality control?

    The commonly used inspection equipment on the color-coated board production line must meet the inspection tests required by the national standards. Therefore, the experimental equipment of different color-coated board manufacturers is the same, and they are the most commonly used ones listed below:
    1. Thermometer-air thermometer and surface thermometer.
    2. Hygrometer.
    3. Surface profiler or comparator.
    4. Paint viscometer.
    5. Thickness gauge-wet film thickness gauge and dry film thickness gauge.
    6. Coating gloss and pigment detection equipment.
    7. Adhesion tester.
    8. T-bend tester.
    9. Impact tester.
    10. Pencils of various hardness.
    11. Other commonly used solution titration instruments.



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