HL Stainless Steel Coil

Grade: 201/304/316L/310S/ 2205 and so on
Surface: No.6(HL)
Standard: ASTM A240
Thickness: 0.076mm-28mm
Origin: POSCO, TISCO,BAOSTEEL

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Stock Sheets:

For cold rolled stainless steel sheets (4*8feets) and hot rolled stainless steel plates(1500*6000mm), most thickness items have 30~50 tons stock.

No.4 Stainless steel coil-shanghai yieh united corporation-stock sheet


Specification of
Qukin Stainless Steel Coil

Standards EN/DIN, ASTM/ASTM, SUS, UNS, JIS, etc
200 Series Stainless Steel Grades 201, 202
300 Series Stainless Steel Grades 302, 303, 304/304L, 304L Polished, 304DDQ, 304 EDD, 304H, 305, 309/309S/309H, 310/310S/310H, 316L/316L Polished/316Ti, 317L/317LMN, 321/321H, 330, 347/347H, 353MA, 375
400 Series Stainless Steel Grades 409/409L, 410/410S, 416, 420, 430, 431, 440C
Duplex Stainless Steel Grades LDX2101, Duplex 2205, Duplex 2507
Precipitation Hardening Grades 17-4PH, 17-4 H1150 (per customer request),17-7PH 630, 15-5PH
Nickel Alloy Grades Alloy 20, Alloy 200, Alloy 400, Alloy 600, Alloy 800/800HT, Alloy C-276 (nickel grades may require more lead time)
Technical COLD ROLLED STAINLESS STEEL COIL HOT ROLLED STAINLESS STEEL SHEET COIL
Thickness 0.10mm-6.00mm 3.00mm-80.0mm
Width 800mm-1540mm 800mm-2,000mm

 

Production&Processing

The Innovative Technology of Qukin Stainless Steel Coil

At Qukin Corporation, Qukin Corporation never stop improving and developing our technologies to go beyond our customer’s expectations.
Qukin Corporation strive towards these goals to produce reliable products and ensure they can be fully utilized throughout their lifetime. In 2013, Qukin Corporation have sucessfully induced Timesaver coil 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 Surface finish of Qukin stainless steel coil

Reasons to Choose Qukin HL(No.6) Stainless Steel Sheet:

You might wonder why you choose Yieh United HL 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
black and white film for no4 stainless steel sheet

 

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.

>>Transparent blue film and Chinese black and white film
blue-film for no4 stainless steel sheet

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.

Surface Finish

Surface Finish of Qukin Stainless Steel Coil

No.1 No shiny, industrial surface Finished from the first step of hot rolling Construction, industry
No.2D White surface Finished from first cold rolling, and processed with acid. Deep-drawing application.
No.2B More Shinning than No.2D After No.2D, finished with a slight polishing For normal, and ordinary use
BA Shinning as mirror Finished with annealing, with a high rate of reflection Building material, kitchen material
No.3 Roughly Grinding Based on No.2D and No.2B, grinding with 100~200# abrasive belt Building material,
swimming pool,kitchen material
No.4 Mid-level Grinding Based on 2D and 2B, grinding with 150~180# abrasive
belt,with grain reflection
Building material, kitchen material
No.240 High-level grinding Based on No.2D and No.2B, and grinding with 240# abrasive belt Kitchen material
No.320 Super-level grinding Based on No.2D and No.2B, grinding with 320# abrasive belt Kitchen material
No.400 Surface similar with BA Based on No.2B, grinding with 400# abrasive belt Construction, and kitchen material
HL Hair lined grinding Grinding with appropriate abrasive belt(150~240#),
the density of thegrain is high
Construction, swimming
pool, and Elevator
No.7 Similar with mirror effect Grinding with 600# abrasive belt Decoration, and painting
No.8 Mirror finished Grinding to mirror effect Reflector and decoration

Value-added Service

The Value-added Service of Qukin Stainless Steel Coil

Every industry has its unique set of stainless steel coil specifications and needs. Qukin Corporation offers 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 Qukin Corporation can cut and bevel the edges of stainless steel coil/sheet to prepare forwelding or other processing.
Stainless SteelCoil/Sheet Grinding Qukin Corporation 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 Qukin Corporation 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 Qukin Corporation 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 Qukin Corporation 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

Logistics & Packing of Qukin Stainless Steel Coil

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

stainless-steel-coil-1stainless-steel-coil-1