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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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15/12/2025

After a 16-year Hiatus, China has Once Again Implemented Export Licensing for Steel

On December 12, 2025, the Ministry of Commerce and the General Administration of Customs jointly issued Announcement No. 79, deciding to implement export license management for certain steel products starting from January 1, 2026.

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23/09/2025

Ansteel Group Exports a Complete Set of Large-Scale Stainless Steel Hot Rolling Production Line Equipment for the First Time

Recently, the complete set of 1850 stainless steel hot rolling production line equipment, a Eurasian collaborative project undertaken by Engineering Development Heavy Machinery Co., Ltd., is being shipped to Europe one after another.

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03/09/2025

China's steel exports are expected to hit a new high this year

China's total steel exports this year are expected to hit a record high. Although exports have remained strong recently, they may fluctuate in the future due to the recovery of domestic demand and trade policies, but new breakthroughs are still expected throughout the year.

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08/08/2025

Benxi Steel Group successfully develops steel for gas storage support structures in new energy commercial vehicles

Benxi Steel Group has successfully industrialized its nano-precipitation strengthened BR780NP high-strength steel for new energy commercial vehicle storage tanks, achieving lightweight and safety goals while establishing core production technology for market expansion.

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30/07/2025

Anyang Steel's Second Melting and Rolling Department successfully rolled nickel-molybdenum-chromium N10276 hot-rolled steel strip

Anyang Steel successfully rolled N10276 alloy hot-rolled strip for the first time, marking a major breakthrough in high-end alloy steel production.

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22/07/2025

The widest in China! Bensteel Group successfully rolled 2190mm ultra-wide hot-rolled plates

On July 21st, the 2300 production line of Bensteel's hot strip mill successfully rolled 2190mm super wide hot rolled plates, creating a new record for the width of domestic hot rolled coils.

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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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