China 321 Cold Rolled Stainless Steel Coil Manufacturer, Suppliers

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China 321 Cold Rolled Stainless Steel Coil Manufacturer, Suppliers

OES Metalâ€™s 321 Stainless Steel Coils are austenitic stainless steel products designed to withstand high temperatures and resist intergranular corrosion. Stabilized with titanium, 321 stainless steel offers superior performance in demanding applications, including aerospace, chemical processing, and heat exchangers.

When youâ€™re dealing with really high temperatures, you need materials that can keep up. Thatâ€™s where our 321 Stainless Steel Coils come inâ€”theyâ€™re specially designed to handle extreme heat and resist corrosion. Thanks to the addition of titanium, these coils do a great job preventing intergranular corrosion and stay strong even when used continuously up to about 1500Â°F (816Â°C). Pretty impressive, right?

Theyâ€™re a perfect fit for manufacturing environments that push materials to the limit. Whether itâ€™s building aerospace parts, automotive exhaust systems, heat exchangers, or components for industrial furnaces, these coils are versatile. Plus, the titanium helps prevent carbide precipitation during welding or in high-temp conditions, so you get consistent, reliable performance every time.

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Product Description

Product Details

Choose from a comprehensive range of thicknesses—from thin 0.3mm up to a sturdy 6.0mm—available in various surface finishes like 2B and BA. All products strictly meet ASTM A240 standards. Their exceptional resistance to oxidation and thermal stability make them the primary choice for demanding high-temperature environments.

Common industrial applications include:

Aircraft exhaust systems
Heat treatment equipment
Chemical processing parts
Expansion joints
High-temperature fabrication projects

Austenitic Stainless Steel	201, 301, 304, 305, 310, 314, 316, 321, 347, 370, etc
Martensitic Stainless Steel	410, 414, 416, 416, 420, 431, 440A, 440B, 440C, etc
Duplex Stainless Steel	S31803, S32101, S32205, S32304, S32750, etc
Ferritic Stainless Steel	429, 430, 433, 434, 435, 436, 439, etc

Product Specification

Product Name	Stainless Steel Coil
Standard	JIS/SUS/GB/DIN/ASTM/AISI/EN
Surface	2B, BA, NO.1, NO.4, 8K, HL, Embossing, Satin, Mirror, ect
Technique	Cold Rolled; Hot Rolled
Thickness	0.3-4mm cold rolled; 3-16mm hot rolled; 16-100mm hot rolled; Customized
Width	1000mm, 1219mm, 1240mm, 1500mm, 1800mm, 2000mm
Length	2000mm, 2438mm, 2500mm, 3000mm, 6000mm or as required
Color	Natural Color, Golden, Black, Sapphire Blue, Brown, Rose Gold, Bronze, Silver, ect
Application	Interior/Exterior decoration; Architecture; Elevator; Kitchen; Ceiling; Cabinet; Advertising nameplate; Roof structure; Shipbuilding
Lead Time	7-15 working days after receipt of deposit
Payment Terms	30% TT for deposit, 70% balance before shipment
Price Terms	FOB, EXW, CIF, CFR
Packing	Wooden Pallet or according to requirements

Chemical Composition Table

Grade ASTM	C	Si	Mn	S	P	Cr	Ni
201	≤0.15	≤0.75	5.50-7.50	≤0.030	≤0.060	16.00-18.00	3.50-5.50
304	≤0.07	≤1.00	≤2.00	≤0.030	≤0.035	17.00-19.00	8.00-11.00
304L	≤0.03	≤1.00	≤2.00	≤0.030	≤0.035	18.00-20.00	8.00-12.00
309S	≤0.08	≤1.00	≤2.00	≤0.030	≤0.035	22.00-24.00	12.00-15.00
310S	≤0.08	≤1.00	≤2.00	≤0.030	≤0.035	24.00-26.00	19.00-22.00
316	≤0.08	≤1.00	≤2.00	≤0.030	≤0.035	16.00-18.00	10.00-14.00
316L	≤0.08	≤1.00	≤2.00	≤0.030	≤0.035	16.00-18.00	12.00-15.00

Frequently Asked Questions

What are the main advantages of 321 stainless steel coils?

321 stainless steel offers excellent resistance to oxidation and high-temperature thermal stability, making it ideal for applications that operate in unpredictable heat environments.

Which surface finishes are available for these coils?

We offer a wide range of finishes including 2B, BA, NO.1, NO.4, 8K Mirror, Hairline (HL), Embossing, and various colored coatings like Rose Gold or Black.

What is the standard lead time for an order?

Typically, the lead time is between 7 to 15 working days once the 30% deposit has been received, depending on the specific customization requirements.

Can the thickness and width be customized?

Yes, we provide cold-rolled thicknesses from 0.3mm to 4mm and hot-rolled options up to 100mm. Widths can be adjusted to 1000mm, 1219mm, 1500mm, or other custom sizes as required.

Do these products meet international quality standards?

Absolutely. Our stainless steel coils comply with major international standards including JIS, SUS, GB, DIN, ASTM, AISI, and EN.

What kind of packaging is used for shipping?

Products are securely packed using wooden pallets or other standard sea-worthy packaging to ensure they arrive in perfect condition.