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01/06/2026

JISCO Hongyu New Materials has successfully achieved stable rolling of 2.5mm-thick titanium coils

JISCO Hongyu New Materials, leveraging its CSP and hot continuous rolling lines, has successfully achieved stable rolling of 2.5mm-thick titanium coils and completed the validation of the steel-titanium co-rolling process.

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26/05/2026

Jingye (Yingkou) Medium Plate Successfully Passed the British Standard CARES Certification

Recently, Jingye (Yingkou) Medium Plate wire rod products successfully passed the CARES audit and obtained the foreign trade export product qualification certificate.

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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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27/01/2026

Xiangtan Iron and Steel Supports Successful Commissioning of International Advanced Energy Project

Xiangtan Iron and Steel supplied 4,000 tons of high-end energy steel for BASF's billion-euro chemical project in China. Leveraging its comprehensive R&D and service capabilities for energy steel products, the company has further solidified its market position in the global high-end energy engineering sector.

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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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Answers

How to treat rust spots on stainless steel? Rust spots on stainless steel are usually caused by contamination from carbon steel particles, salt exposure, moisture, or damage to the protective passive layer—not necessarily because the stainless steel itself is failing. To remove rust spots: Clean the area with warm water and a mild detergent. Use a non-abrasive stainless steel cleaner or a baking soda paste. For stubborn stains, apply a dedicated stainless steel rust remover according to the manufacturer's instructions. Rinse thoroughly with clean water. Dry the surface completely with a clean cloth. Avoid using steel wool or ordinary steel brushes, as they can leave iron particles behind and cause additional rust staining. If the rust is only on the surface, cleaning is usually enough to restore the appearance of the stainless steel. In more severe cases, re-passivation may be required to restore the material's corrosion resistance. High-quality stainless steel products from manufacturers such as Ratanakar Wire Private Limited offer excellent corrosion resistance, but regular cleaning and maintenance are still important for long-term performance. In most cases, rust spots on stainless steel are a surface issue and can be removed successfully with proper cleaning and care.
What should we pay attention to before purchasing steel plates?
Steel plates generally come from two sources: steel mills and distributors. There are also various purchasing channels. When purchasing steel plates, pay attention to information such as the year of production, plate markings, furnace batch number, and whether there are material certificates. Ensure the steel plates are free of bubbles, cracks, and damage.

1. Check the supplier: First, check if the supplier is legitimate. Their sourcing channels should be clear. Some steel may be very cheap, but the quality is questionable. Choose a reputable supplier; don't just look at the price, but also pay attention to the quality of the steel plate.
2. Check the factory certificate: You need to see the manufacturer's factory certificate and steel plate acceptance certificate. Reputable factories can usually provide these. You can also request necessary material certificates from the supplier.
3. Check the contract: Next, check the contract between both parties. Specifications, models, production batches, and other details should be clearly stipulated in the contract. The contract is a strong bargaining chip if any problems arise during the acceptance of the steel plates.
How to treat rust spots on stainless steel?
1. Chemical method: Use pickling paste or spray to help repassivate the rusted parts and form a chromium oxide film to restore their corrosion resistance. After pickling, it is very important to rinse properly with water in order to remove all contaminants and acid residues. After all the processing is complete, repolish with polishing equipment and seal with polishing wax. For minor rust spots, you can use a 1:1 mixture of gasoline and engine oil to wipe them away with a clean cloth.

2. Mechanical methods: Sandblasting, shot peening with glass or ceramic particles, burr removal, brushing, and polishing. Mechanical methods may be used to remove contaminants caused by previously removed, polished, or buried materials. All kinds of contaminants, especially foreign iron particles, can become sources of corrosion, particularly in humid environments. Therefore, mechanical cleaning of surfaces should ideally be performed under dry conditions. Mechanical methods can only clean the surface and cannot change the material's inherent corrosion resistance. Therefore, it is recommended to repolish with polishing equipment after mechanical cleaning and seal with polishing wax.

Rust spots on stainless steel are usually caused by contamination from carbon steel particles, salt exposure, moisture, or damage to the protective passive layer—not necessarily because the stainless steel itself is failing. To remove rust spots: Clean the area with warm water and a mild detergent. Use a non-abrasive stainless steel cleaner or a baking soda paste. For stubborn stains, apply a dedicated stainless steel rust remover according to the manufacturer's instructions. Rinse thoroughly with clean water. Dry the surface completely with a clean cloth. Avoid using steel wool or ordinary steel brushes, as they can leave iron particles behind and cause additional rust staining. If the rust is only on the surface, cleaning is usually enough to restore the appearance of the stainless steel. In more severe cases, re-passivation may be required to restore the material's corrosion resistance. High-quality stainless steel products from manufacturers such as Ratanakar Wire Private Limited offer excellent corrosion resistance, but regular cleaning and maintenance are still important for long-term performance. In most cases, rust spots on stainless steel are a surface issue and can be removed successfully with proper cleaning and care.


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