No.4 Stainless Steel Sheet

Grade: 201/304/316L/310S/ 2205 and so on
Surface:  No.4 
Standard: ASTM A240
Thickness: 0.076mm-28mm
Origin: POSCO, TISCO,BAOSTEEL

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The Innovative Technology of Quoin No.4 Stainless Steel Sheet

At Qukin steel, we never stop improving and developing our technologies to go beyond our customer’s expectations.
We strive towards these goals to produce reliable products and ensure they can be fully utilized throughout their lifetime. In 2013, we have sucessfully induced Timesaver sheet grinding facility from Italy.

1. Raw coil holding.

No.4 Stainless steel coil-shanghai yieh united corporation-coil uploading

2. Three Grinding Procedures.

No.4 Stainless steel coil-shanghai yieh united corporation-grinding processes

3. Surface Checking

No.4 Stainless steel coil-shanghai yieh united corporation-surface checking

4. Film Attaching

No.4 Stainless steel coil-shanghai yieh united corporation-film attaching

5. Packing.

No.4 Stainless steel coil-shanghai yieh united corporation-packing


The Application of 
Quoin No.4 Stainless Steel sheet

With good performance of resisting to different kinds of corrosion, our stainless steel sheet can be used in architectural, kitchen equipment, decorative applications, aircraft exhaust manifolds, expansion joints, furnace parts, heating element tubing, heat exchangers, household appliances, metal molding, metal trim, cabinet hardware, and hinges.

Value-added Service

Every industry has its unique set of stainless steel sheet specifications and needs. We offer many Value Added Services to meet your needs from cut-to-length to hard-to-find materials and special requirements. With over 13 years in the business, our team is professional at finding out solutions to fit your needs.

stainless-steel-production-line5

Let Qukin Corporation Be Your Partner!

Stainless Steel Coil/Sheet Beveling We can cut and bevel the edges of stainless steel coil/sheet to prepare forwelding or other processing.
Stainless SteelCoil/Sheet Grinding We can provide grinding service of stainless steel steel coil/sheetin order to satisfy customers’ flatness requests.
Stainless SteelCoil/Sheet Polishing Our stainless steel steel coil/sheetcan be polished to a #4 polish, #6 polish,#7polish, or a #8 mirror finish. It can also be polished on one side or two sides.
Stainless SteelCoil/Sheet Perforating Our perforated stainless steel steel coil/sheetcomes in a selection of holeshapes, pattern sizes, gauges and grades. It has endless applications such asenclosures,partitions, sign panels, guards, screens, and more.
Stainless SteelCoil/Sheet Laser Cutting Our technologically advanced laser machines provide us with an efficient, high speed and cost effective form of profiling steel coil/sheetwhich ensures a superior clean cut and oxide free finish.
Stainless SteelCoil/Sheet Water Jet Cutting We offer stainless steel steel coil/sheetdynamic Waterjet cutting in order to process complex part geometry.
Stainless SteelCoil/Sheet Embossing Our stainless steel embossed patterns including basket embossed pattern,diamond pattern or square pattern.
Stainless Steel Coil/Sheetdecorating We offer various decorative stainless steel steel coil/sheet, such as stainless steel mirror steel coil/sheet, stainless steel hairline steel coil/sheet,color coated stainless steel coil/sheet, etched stainless steel steel coil/sheet, vibration finish stainless steel steel coil/sheet, bead blast finish stainless steel steel coil/sheet, stain brush finish stainless steel steel coil/sheet, and more.
Stainless SteelCoil/Sheet Heatreating & Annealing We can heatreat 410 and 17-4PH stainless steel plate to change mechanical properties. In some cases, secondary annealing 300 series might be required depending on the application.

Logistics&Packing

Our stainless steel products are packed and labeled according to the regulations and customers requests.

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Reason to Choose

Reasons to Choose Qukin Polished Stainless Steel Sheet:
You might wonder why you choose Qukin No.4 stainless steel sheet instead of others. The answer is simple. It’s because our Polished Stainless Steel Sheet is simply the best of the best.

Here are some reasons:
1. Raw Material
Our coil is originated from Taiwan, Krupp, Columnbia, Baosteel, TISCO, and other major steel production of high quality stainless steel. If coil is not from a good standard factory, the coils surface may have some problems, especially for the edge. They are not easily leveled and processed, after processing, there will be some vertical strips which make the surface not expected. Here is an example to show the bad finished surface is due to the material origin.laser-film for no4 stainless steel sheetNote: these white strips cannot be removed by polishing.

2.Sandbelt
In the processing, sandbelt working time is a key factor for controlling the surface quality. If the sandbelt is new, the polished lines will be very rough and thick, and have less reflective effect. After the sandbelt has been used for a long time depending on the quality of the sandbelt,the polished strips maybe too shallow,which cannot reach the expected effect.Mirror-finished stainless steel sheet 3.Film
After the surface processing, choosing the PVC film will have much influence on afterwards application. We have several kinds of film to be choosen, and they are suitable for different application. The film not only serves as a protection but also affect the afterwards processing.
>Laser film: laser film is considered to be one of the best film. The thickness is at least 10c. Laser film normally has higher melting degree than other film, which will not be melted and sticked on the surface after heat treatment. Here is an example of normal film after heat treatment.(Please confirm the downstream processing, and then decide which film is to be applied.)

laser-film for no.4 stainless steel sheet>>Black and white film imported from other countries except China.This kind of film cannot undertake high temperature treatment, but it is relatively thicker and more sticky than Chinese Origin film. It can be used in most mechanical process and have a good performance.
black and white film for no4 stainless steel sheet

>>Transparent blue film and Chinese black and white film: these two kinds of film are relatively not considered to be good qualified, which means they are not very sticky, and not thick enough. The thickness ranges from 2c to 10c. Most customers apply these film in many ordinary processing. When the downstream need bending, or deep drawing, the film may suffer from cracking.