Home > Articles > CE

CE Articles

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.

Read More
17/03/2026

Ansteel's cold-stamped axle housing steel has passed a certain brand of automobile certification.

Ansteel's independently developed ANautoS brand cold-stamped axle housing steel has passed a certain automobile brand certification and obtained batch matching qualification. By breaking through the bottleneck of lightweight technology through material innovation, it has further consolidated its core competitiveness in the high-end automotive steel market.

Read More
05/03/2026

Ningbo Iron & Steel Named Zhejiang Province's 2025 “Pioneering” Future Factory

Ningbo Iron & Steel has been selected as a 2025 Zhejiang Province “Leading-Type” Future Factory for its achievements in intelligent transformation. By adopting innovative models such as “Scientists + AI,” the company has reduced R&D cycles by 30% and compressed delivery cycles to under 10 days, establishing itself as a benchmark for smart manufacturing in the steel industry.

Read More
04/03/2026

Jingye (Yingkou) Medium Plate Co.,Ltd Receives Authoritative Certification from Australia's ACRS

Jingye (Yingkou) Medium Plate Co.,Ltd has successfully obtained the authoritative ACRS certification from Australia, signifying its high-end manufacturing has fully aligned with international standards. This achievement formally opens the doors to the premium infrastructure markets in Australia, New Zealand, and globally.

Read More
14/01/2026

Jilin Jianlong's Non-Oriented Electrical Steel Achieves Full Grade and Full Specification Coverage

Recently, Jilin Jianlong achieved a milestone breakthrough in the field of high-end non-oriented electrical steel, successfully overcoming the challenge of producing a 0.15mm ultra-thin high-grade product (15JWV1000).

Read More
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.

Read More
26/12/2025

100mm! JISCO Successfully Produces Extra-thick Wide Plates.

Recently, JISCO's heavy plate production area successfully rolled a 100×2200×8000mm Q355B extra-thick wide plate, reaching the production line's maximum design thickness.

Read More

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.


Timely Info	Independent	Platform	Multiple guarantees	Self-operated storage

About us	Channel	Useful tools
About China Steel Market	Prices	Steel Weight Calculation
Contact Us	Answers	Why Choose Us
Terms & Conditions	Inventory
Privacy Policy	Help

CE Articles

Categories

Answers