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11/03/2026

Baotou Steel launches upgrade and renovation project for No. 3 continuous casting machine and construction project for No. 8 large billet continuous casting machine.

Baotou Steel officially launched the upgrade and renovation project of No. 3 continuous casting machine and the construction project of No. 8 large billet continuous casting machine. By eliminating old production lines and building a new high-end special steel billet production capacity of one million tons, the company will promote product structure optimization and strategic transformation, and provide strong support for the high-quality development of the enterprise and the upgrading of the special steel industry chain.

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04/03/2026

The 3 Million-Ton Steel Project has Successfully Completed its Hot Test!

Recently, exciting news came from the production line: Gaoyi Steel's "1200mm full continuous rolling wide strip steel production line project" successfully completed hot load steelmaking on the first attempt!

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28/02/2026

Shanxi Gaoyi Steel 1200mm Full Continuous Wide Strip Rolling Line Successfully Completes Hot Commissioning Test

The successful one-time hot commissioning test of Shanxi Gaoyi Steel's annual 3-million-ton 1200mm full continuous wide strip rolling line marks a solid step in the enterprise's transformation and upgrading towards manufacturing-grade steel. The production line integrates high-end, intelligent, and green technologies, opening a new chapter in improving the industrial chain and enhancing market competitiveness.

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07/01/2026

Guangxi Steel Lean Production Line +1

Recently, the 3800mm wide and heavy plate lean production line of Guangxi Steel Hot Rolling Plant successfully passed the company's review team's acceptance, marking a significant milestone in the lean management of this production line.

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13/11/2025

ShanSteel Group successfully trial-rolled lightweight thin-walled H-beams meeting national standards and high-strength H-beams meeting European standards.

ShanSteel Group has successfully developed China's lightest and thinnest national standard H-beams and high-strength European standard H-beams, achieving mass production. This demonstrates its advanced technological capabilities and significantly enhances its market competitiveness.

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03/09/2025

Bao Gang United Steel's Rare Earth Wear-Resistant Steel Achieves a Full Specification Leap

Bao Gang United Steel has now achieved mass production and full coverage of rare earth wear-resistant steel of all specifications from 8mm to 60mm.

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19/08/2025

Shandong Lingang Nonferrous Metals' 100,000-ton annual high-end stainless steel seamless pipe project successfully completed its first trial run.

Shengyang Group's Shandong Lingang Nonferrous Metals project, with an annual output of 100,000 tons of high-end stainless steel seamless pipe, successfully completed its trial run on August 16th. Leveraging the group's raw material advantages to achieve direct supply through a short process, the project is focused on producing high-end stainless steel products and will contribute to the comprehensive development of the stainless steel industry chain.

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Answers

Advantages and Disadvantages of electro galvanized steel:
Advantages of electro galvanized steel:
1. Thin coating: The zinc layer in electro galvanized steel is thinner than that in hot-dip galvanizing, typically ranging from 5 to 20 micrometers. As a result, the surface is smooth and does not alter the dimensions or shape of the steel.
2. Uniformity: The zinc coating is uniform and can be applied to the surfaces of objects with complex shapes, such as screws and nuts.
3. Low Cost: The production cost of electro galvanized steel is relatively low because it does not require heating and cooling, unlike hot-dip galvanizing.
4. Environmental friendliness: The electro galvanized steel process does not produce exhaust gases or wastewater, resulting in a minimal environmental impact.

Disadvantages of electro galvanized steel:
1. Poor corrosion resistance: The zinc coating in electro galvanized steel is thinner than that in hot-dip galvanizing, so its corrosion resistance is relatively poor; it is particularly prone to rusting in humid and corrosive environments.
2. Poor wear resistance: The zinc coating in electro galvanized steel is thinner than that in hot-dip galvanizing, resulting in relatively poor wear resistance; it is prone to scratches and abrasion.
3. Limited scope of application: Electro galvanized steel is typically used for steel products in indoor settings and mildly corrosive environments, such as furniture, appliances, and automotive parts.
How much does a sheet of 4mm thick patterned steel plate cost?
The price of patterned steel plates varies depending on their thickness. With the same material, thicker plates are more expensive. Different materials also have different prices. The specific price depends on market conditions. Please tell us your specific purchasing needs so we can give you a more accurate reply and quote.
What is P20 material?
P20 is a pre-hardened plastic mold steel, corresponding to the Chinese national standard 3Cr2Mo and the German standard 1.2311.

P20 contains alloying elements such as chromium and molybdenum, has a uniform microstructure, well-controlled impurities, stable machining performance, reasonable tool wear, and good surface finish. It is suitable for making structural parts such as cavities, cores, and mold frames. Upon arrival, it can be directly milled, ground, drilled, and EDM machined without additional quenching and tempering, shortening the mold making cycle and reducing precision issues caused by heat treatment deformation.

Its polishing performance meets the requirements of most plastic exterior parts, adapting to the surface standards of molds for household appliance housings, automotive interiors, and daily necessities. It can also undergo nitriding treatment to improve wear resistance.


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