No. 4 finish simply as, “General purpose polished finish, one or both sides”. It also states, “No. 4 - A linearly textured finish that may be produced by either mechanical polishing or rolling. Average surface roughness (Ra) may generally be up to 25 micro-inches (0.64 micrometres).
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What Is Stainless Steel Sheet ?
A stainless steel sheet is a type of sheet metal made from an alloy of steel and chromium. Stainless steel sheets are normally classified into hot and cold- rolled types, mainly including 200, 300, 400 series alloys. 200 Series has low nickel; 300 series contains chromium and nickel as their major alloying additions; 400 Series is formed by ferritic and martensitic stainless steel. Type 200/300/400 series alloys available in sheets at EMetal include 201, 202,304, 316, 309,301,321,410,420,430.
What Is NO.4 Finsh Sheet ？
No. 4 finish simply as, “General purpose polished finish, one or both sides”. It also states, “No. 4 - A linearly textured finish that may be produced by either mechanical polishing or rolling. Average surface roughness (Ra) may generally be up to 25 micro-inches (0.64 micrometres).
No. 4 Finish is the most popular for appliances, the food and beverage industry, elevators, escalators, hospitals, and any work area where there is food contact.
The Features Of NO.4 Finish
It is characterized by short, parallel polishing lines and is the easiest of the stainless finishes to maintain. Depending on the requirements of the application, the final finish can be anywhere between 120 and 320 grit. (Higher grit numbers produce finer polishing lines and more reflective finishes.) The surface roughness is typically Ra 25 micro-inches or less.
Why Choose Our Stainless Steel Sheet ?
1. Quality Control
We establish strategic cooperative relations with famous stainless steel enterprises, controlling the quality from the source. Moreover, experienced QC team inspects for the whole processing and ensure the product quality.
2. Competitive Price
We are able to analyze deeply about stainless steel market and advise clients to purchase in time relying on advantage resources of steel factories, supporting customers with competitive price.
3. Flexible Delivery
We support spot and futures both since our products are in stock always. The earliest delivery time can be within 3 days, providing customers with flexible delivery modes.
4. Wide Variety
We are able to cover all types of surfaces and sizes of stainless steel, specializing in customized service. A comprehensive selections from stainless steel’s finish, size are provided.
5. After Service
We are equipped with professional after sales teams with more than 15 years' experience, well aware of the characteristics of stainless steel, providing our customers with high quality service.
6. Free Samples
We are pleased to offer a limited amount of free samples to all authorized professional clients according to their specific demands.
About Application of No. 4 Finish Stainless Steel Sheet,No. 4 Finish Stainless Steel Sheet is the most popular for appliances, the food and beverage industry, elevators, escalators, hospitals, and any work area where there is food contact.
Q1：What are EMetal's products?
A1：EMetal's mainly products include 200/300/400series stainless steel coils/ sheets/tiling trims/strips/circles with all different styles of etched, embossed, mirror polishing, brushed and PVD color coating etc.
Q2：How can you ensure the quality of your product?
A2：All products have to go through three checks in the whole manufacturing process, which include production, cutting and packing.
Q3：What is your delivery time and the supply ability?
A3：The delivery time normally within 15~20 working day and we can supply about 15,000 tons every month.
Q4：About the complaint, quality problem, after-sales service etc,how do you handle it?
A4：We will have certain colleagues to follow our orders accordingly. Each order is equipped with professional after-sales service. If any claim happened, we will take our responsibility and compensate as per contract. To better serve our clients, we'll keep trace feedback of our products from clients and that's what makes us different from other suppliers. We're customer care enterprise.
Q5：What is the MOQ?
A5：We don't have MOQ. We treat every order with heart. If you are scheduling to place a trial order, pls feel free to contact us and we can meet your requirements.
Q6：Can you provide OEM or ODM service?
A6：Yes, we have a strong developing team. The products can be made according to your request.
Q7：How to clean and maintain its surface?
A7：Use neutral cleanser and soft cotton cloth. Do not use acid cleanser and rough material.
If you are interested in our products and would like to know more details,please leave a message here,we will reply you as soon as we can.
If you want to know more product information, or the latest quotation, you can contact us at any time, we will do our best to provide more services.
