Wholesale Hot Rolled Aisi 309 310 310S 321 Stainless Steel Coil Manufacturer and Supplier

Hot Rolled Aisi 309 310 310S 321 Stainless Steel Coil

Short Description:

Stainless steel features:
1. Complete specifications and diverse materials; 2. High dimensional accuracy, up to ±0.1mm; 3. Good surface quality, good brightness; 4. Strong corrosion resistance, high tensile strength and fatigue strength; 5. Stable chemical composition, pure steel, low inclusion content; 6. Good packaging, favorable price; 7. It can be done without calibration.

Processing Services: Bending, Welding, Decoiling, Cutting

Steel Grade: 201, 202, 204, 301, 302, 303, 304, 304L, 309, 310, 310S, 316, 316L, 321, 408, 409, 410, 416, 420, 430, 440, 630, 904, 904L, 2205,2507, etc

Inspection: SGS, TUV, BV, Factory Inspection

Standard: JIS, AISI, ASTM, DIN, EN, GB, JIS

Length: as your request

Width: 1000, 1219, 1500, 1800, 2000mm or as your request

Surface Finish: BA/2B/NO.1/NO.3/NO.4/8K/HL/2D/1D

Inspection: SGS, TUV, BV, Factory Inspection

Certification: ISO

Package: Standard sea-worthy package or as required

Delivery time : 3-15 days (according to the actual tonnage)

Payment Terms: T/T, LC, Western Union, Paypal, O/A, DP

Port Information: Tianjin Port, Shanghai Port, Qingdao Port, etc.

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Product Detail

Product Tags

Product Detail

Product Name	309 310 310S 321 stainless steel coil
Grades	201/EN 1.4372/SUS201
Hardness	190-250HV
Thickness	0.02mm-6.0mm
Width	1.0mm-1500mm
Edge	Slit/Mill
Quantity Tolerance	±10%
Paper Core Internal Diameter	Ø500mm paper core, special internal diameter core and without paper core on customer request
Surface Finish	NO.1/2B/2D/BA/HL/Brushed/6K/8K Mirror,etc
Packaging	Wooden Pallet/Wooden Case
Payment Terms	30% TT deposit and 70% balance before shipment, 100% LC at sight
Delivery Time	7-15 working days
MOQ	200Kgs
Shipping Port	Shanghai/Ningbo port
Sample	The sample of 309 310 310S 321 stainless steel coil is available

Main Application

201 is a low carbon stainless steel that offers excellent weldability, good corrosion resistance and high strength. It is an ideal material for a wide variety of applications including food processing equipment and chemical processing equipment.

The following is a list of some of the more common applications for stainless steel coils:

1. Food Processing Equipment & Chemical Processing Equipment

2. Oil & Gas Industries

3. Marine Applications

Note:
1.Free sampling, 100% after-sales quality assurance, Support any payment method;
2.All other specifications of round carbon steel pipes are available according to your requirement (OEM&ODM)! Factory price you will get from ROYAL GROUP.

Size Chart

Stainless Steel Coil Chemical Compositions

Chemical Composition %
Grade	C	Si	Mn	P	S	Ni	Cr	Mo
201	≤0 .15	≤0 .75	5. 5-7. 5	≤0.06	≤ 0.03	3.5 -5.5	16 .0 -18.0	-
202	≤0 .15	≤l.0	7.5-10.0	≤0.06	≤ 0.03	4.0-6.0	17.0-19.0	-
301	≤0 .15	≤l.0	≤2.0	≤0.045	≤ 0.03	6.0-8.0	16.0-18.0	-
302	≤0 .15	≤1.0	≤2.0	≤0.035	≤ 0.03	8.0-10.0	17.0-19.0	-
304	≤0 .0.08	≤1.0	≤2.0	≤0.045	≤ 0.03	8.0-10.5	18.0-20.0	-
304L	≤0.03	≤1.0	≤2.0	≤0.035	≤ 0.03	9.0-13.0	18.0-20.0	-
309S	≤0.08	≤1.0	≤2.0	≤0.045	≤ 0.03	12.0-15.0	22.0-24.0	-
310S	≤0.08	≤1.5	≤2.0	≤0.035	≤ 0.03	19.0-22.0	24.0-26.0
316	≤0.08	≤1.0	≤2.0	≤0.045	≤ 0.03	10.0-14.0	16.0-18.0	2.0-3.0
316L	≤0 .03	≤1.0	≤2.0	≤0.045	≤ 0.03	12.0 - 15.0	16 .0 -1 8.0	2.0 -3.0
321	≤ 0 .08	≤1.0	≤2.0	≤0.035	≤ 0.03	9.0 - 13 .0	17.0 -1 9.0	-
630	≤ 0 .07	≤1.0	≤1.0	≤0.035	≤ 0.03	3.0-5.0	15.5-17.5	-
631	≤0.09	≤1.0	≤1.0	≤0.030	≤0.035	6.50-7.75	16.0-18.0	-
904L	≤ 2 .0	≤0.045	≤1.0	≤0.035	-	23.0·28.0	19.0-23.0	4.0-5.0
2205	≤0.03	≤1.0	≤2.0	≤0.030	≤0.02	4.5-6.5	22.0-23.0	3.0-3.5
2507	≤0.03	≤0.8	≤1.2	≤0.035	≤0.02	6.0-8.0	24.0-26.0	3.0-5.0
2520	≤0.08	≤1.5	≤2.0	≤0.045	≤ 0.03	0.19 -0. 22	0. 24 -0 . 26	-
410	≤0.15	≤1.0	≤1.0	≤0.035	≤ 0.03	-	11.5-13.5	-
430	≤0.1 2	≤0.75	≤1.0	≤ 0.040	≤ 0.03	≤0.60	16.0 -18.0

Stainless Steel Coil Surface Finish

Through different processing methods of cold rolling and surface reprocessing after rolling, the surface finish of stainless steel coils can have different types.

Process of Production

Stainless steel is a versatile and durable material used in a wide variety of applications, from kitchen utensils to building materials. Stainless steel coils are a key component of many products as they provide a means of making the material into specific shapes and sizes. Let's take a closer look at the production process of stainless steel coils.

1. Melting and refining: The first step in the production process is to melt the raw materials used to make stainless steel—usually iron ore, nickel, chromium, and other metals. This is done in a furnace or furnace, usually using an electric arc or induction furnace. The resulting molten metal is then refined to remove impurities and ensure the proper composition of the alloy.

2. Casting: After the metal is refined, it is poured into molds to form cast billets. The slab can be several inches thick and weigh 20 tons or more. This casting process is usually done in a continuous casting machine, which guarantees a constant flow of material and greater efficiency.

3. Hot rolling: The slab is then heated and passed through a series of hot rolling mills. Rolling mills are equipped with rolls that compress and shape steel into thinner sheets or strips. The hot rolling process can generate temperatures in excess of 1,000 degrees Celsius, which allows the material to be shaped without breaking.

4. Cold rolling: After the hot rolling process is completed, the stainless steel is then cold rolled to achieve the desired thickness and surface finish. This involves passing the material through a series of cold rolling mills, which further compress and shape the steel. Cold rolling also increases the strength and durability of stainless steel, making it more resilient and durable.

5. Annealing: Once the stainless steel is cold rolled to the desired thickness, it is then annealed during heat treatment. This involves heating the material to a high temperature and then cooling it slowly over time. Annealing helps soften stainless steel and increases its ductility, making it easier to form coils or other shapes.

6. Slitting and coiling: Finally, the stainless steel is divided into strips—cut into thin strips—then coiled for shipment and storage. This process is usually done using specialized equipment such as slitters and coilers. The coil can then be shipped to a fabricator or fabricator who will use the material to create a finished product.