| SS321 Stainless Steel Coil Specification |
ASTM A240 / ASME SA240 |
| SS321 Stainless Steel Coil Manufacturing Process |
Hot Rolled (HR) / Cold Rolled (CR) |
| SS321 Stainless Steel Coil Grades |
202 / SS321 / SS321L / SS321H / 309S / 310S / 316 / 316L / 316Ti / 317L / 321 / 321H / 347 / 347H / 904L etc. |
| UNS No. - UNS SSS32100, UNS SSS32103, UNS S31008, UNS S31620, UNS S31603, UNS S31603, UNS S31635, UNS S31703, UNS S32100, UNS S34700, UNS S34709, UNS S8904 |
| EN No. - 1.4301, 1.4307, 1.4845, 1.4401, 1.4404, 1.4571, 1.4438, 1.4541, 1.4550, 1.4551, 1.4539 |
| SS321 Stainless Steel Coil Thickness |
0.6 MM TO 80 MM THICKNESS |
| SS321 Stainless Steel Coil Width |
1250 MM / 1500 MM / 2000 MM / 04 Feet / 05 Feet and Custom Cut Width as Per Requirement |
| SS321 Stainless Steel Coil Length |
2400 MM / 2420 MM / 6000 MM / 08 Feet / 10 Feet / Coil Cut and Custom Cut Length as Per Requirement |
| SS321 Stainless Steel Coil Surface Finish |
2B, 2D, BA, MATT, MATT PVC, No.4, No.5, SB, HR, No.8, Mirror, Hairline, Brush, Textured, Oil base wet Polished, Both sides Polished available. |
| SS321 Stainless Steel Coil Coating |
PVC coating Normal / Laser, Film: 100 micrometer, Color: black/white. |
| SS321 Stainless Steel Coil Other Testing |
NACE MR0175, Ultrasoung TEST, IGC TEST, Intergranular Corrrosion Test as per ASTM A262 Practice E, Charpy Impact Test, Macro, Grain Size, Hardness, etc. |
| SS321 Stainless Steel CoilValue Added Services |
Gas Cutting / CNC Plasma Cutting / Profiling / Rolling / Bending / Sheet Metal Fabrication / Drill / Punch / Machining / Sand Blasting / Shot Blasting / Heat Treatment |
| SS321 Stainless Steel Coil Packaging |
Loose / Carrate / Wooden Pallet / Wooden box-a / Plastic Cloth Wraps |
| SS321 Stainless Steel Coil Shipment & Transportation |
By Road - Truck / Train Partial Load, Full Load, By Sea - Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air - Freighter Civil Passenger and Cargo Planes |
| SS321 Stainless Steel Coil Material Test Certificate |
Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS, Bureau of Indian Standards BIS Approved ETC |
| Manufacturer |
POSCO, Aperam, Jindal Stainless, DKC Korea, Thyssenkrup, Baosteel, TISCO,Arcelor Mittal, VDM,Nippon Metal, Qingshan,Delong. |
| Shipping Port |
Shanghai/Ningbo port/Tianjin/Qindao |
Global leader in stainless steel coil fabrication services
Type 321 is a titanium-stabilized chromium nickel austenitic stainless steel that boasts corrosion resistance comparable to 304/304L. This premium grade is primarily utilized in high-temperature environments ranging from 800-1500˚F. The addition of titanium stabilizes against chromium carbide precipitation, forming titanium carbides and enhancing its structural integrity. Type 321 excels in intergranular corrosion resistance, offers superior oxidation resistance up to 1500˚F, and demonstrates stronger creep and stress rupture qualities than 304/304L. Additionally, it maintains robustness at low temperatures and remains non-magnetic when annealed.
Daxun Stainless Steel ensures full traceability for each coil via its advanced ERP system, including type, specification, and origin. Championing industry anti-counterfeiting measures, Daxun Stainless Steel sets the bar with high-precision, high-quality processing and customization. Our comprehensive lifecycle management includes professional pre-sales material selection and processing solutions, strict monitoring during sales, and unparalleled after-sales service guarantees, making us the industry benchmark.
Quality, delivery, inspection
- Daxun rigorously conducts a series of quality assurance tests such as flattening, pitting and resistance, mechanical, hardness, material positive identification, and expansion tests. These extensive tests guarantee that our materials meet the stringent requirements of your applications.
- During production, we meticulously measure the diameter, thickness, and surface quality of each product. Our standard delivery timeline ranges from 7-15 days, extending to 20 days for special size products to meet precision requirements.
Our delivery schedule is strictly aligned with the contractual agreement.
- We support customer third-party agencies for factory inspections, ensuring full transparency and trust.
- We offer free samples for customers to test and evaluate our material quality.
- We facilitate on-site or video factory inspections for customer convenience and assurance.
Ordering Information
Purchase orders should include the quantity, grade, type or category, API5L reference, and dimensions (thickness, width, length). Additionally, specify any extra requirements related to chemical composition, mechanical properties, heat treatment, additional testing, manufacturing process, surface coating, or end finish. Connect with Daxun today, and we will respond to your inquiry promptly.
Founded in 2003, Daxun's stainless steel business has surged ahead for two decades, propelling the company to a leading position in China's stainless steel material and processing industry.
For over 20 years, Daxun has been a formidable player in the international market. In 2022, our export revenue soared past US$100 million, securing us a top spot among China's stainless steel trade and processing giants. We've established three dedicated export service bases across China, partnering with engineering companies, steel mills, and global trading firms to amplify our international presence. Our unwavering commitment to enhance service capabilities ensures we remain a trusted name in the global market.
Daxun International offers comprehensive stainless steel chain supermarket services, maintaining enduring partnerships with renowned steel mills globally. We boast an inventory of 60,000 tons of standard stainless steel and 20,000 tons of specialty metals including duplex steel, nickel-based alloys, and heat-resistant steel. Our stainless steel products are of impeccable quality, strictly adhering to all specifications, standards, and delivery requirements.
Equipped with multiple state-of-the-art steel processing machines and a professional physical and chemical testing center, Daxun offers a myriad of services including cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying.
Catering to over 30 industries such as automotive, home appliances, elevators, new energy, vacuum semiconductors, food and beverage/bio-fermentation, and petrochemicals, our services are comprehensive. By collaborating with steel mills, research institutes, and other entities, we provide end-to-end solutions from project design and material development to process optimization in manufacturing.
321Stainless Steel Coil Chemical Composition
| Element |
Type 321 |
Element |
Type 322 |
Element |
Type 323 |
Element |
Type 324 |
| Carbon |
0.08 max. |
Carbon |
0.09 max. |
Carbon |
0.10 max. |
Carbon |
0.11 max. |
| Manganese |
2.00 max. |
Manganese |
2.01 max. |
Manganese |
2.02 max. |
Manganese |
2.03 max. |
| Sulfur |
0.030 max. |
Sulfur |
0.031 max. |
Sulfur |
0.032 max. |
Sulfur |
0.033 max. |
| Phosphorus |
0.045 max. |
Phosphorus |
0.046 max. |
Phosphorus |
0.047 max. |
Phosphorus |
0.048 max. |
| Silicon |
0.75 max. |
Silicon |
0.76 max. |
Silicon |
0.77 max. |
Silicon |
0.78 max. |
| Chromium |
17.00 - 19.00 |
Chromium |
17.00 - 19.01 |
Chromium |
17.00 - 19.02 |
Chromium |
17.00 - 19.03 |
| Nickel |
9.00 - 12.00 |
Nickel |
9.00 - 12.01 |
Nickel |
9.00 - 12.02 |
Nickel |
9.00 - 12.03 |
| Titanium |
5x(C+N) min. - 0.70 max. |
Titanium |
5x(C+N) min. - 0.71 max. |
Titanium |
5x(C+N) min. - 0.72 max. |
Titanium |
5x(C+N) min. - 0.73 max. |
| Nitrogen |
0.10 max. |
Nitrogen |
0.11 max. |
Nitrogen |
0.12 max. |
Nitrogen |
0.13 max. |
321 Stainless Steel Coil Mechanical Properties
| Type |
Yield Strength 0.2% offset (KSI) |
Tensile Strength (KSI) |
% Elongation (2″ Gauge length) |
| 321 |
30 min. |
75 min. |
40 min. |
321 Stainless Steel Coil Physical Properties
| Density (lb./ in^2) @ RT |
|
0.29 |
| Modulus of Elasticity in Tension (psi x 10^6) |
|
28 |
| Specific Heat (BTU/o F/lb.) |
32 to 212 oF |
0.12 |
| Thermal Conductivity (BTU/hr/ft^2/ft) |
212oF |
9.3 |
| |
932oF |
12.8 |
| Mean Coefficient of Thermal Expansion (in. x 10^-6 per o F) |
32 to 212oF |
9.2 |
| |
32 to 600oF |
9.5 |
| |
32 to 1,000oF |
10.3 |
| |
32 to 1,200oF |
10.7 |
| Electrical Resistivity (micro ohms - cm) |
at 70oF |
28.4 |
| Melting Point Range (oF) |
|
2500 - 2550 |
Q1: What products can you offer?
A: We offer a wide range of general steel types including 310S, 316L, 304, 304L, 201, 904L, 316H, and 316.
Additionally, we provide 400 series and duplex stainless steel such as 2205, 2304, 2101, 2507, and high-nickel alloys like 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
Yes, we can manufacture products precisely according to your drawings to ensure complete satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We meticulously control quality from the beginning to the end of the production process.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can accommodate requests to change packaging and transportation forms per your specifications,
but please note you will need to cover any additional costs and spreads incurred.
Q5. How does your factory do regarding quality control?
Quality is our top priority. We meticulously control quality from the beginning to the end of the production process.
Q6. How long is the delivery time?
A: Delivery typically takes 7~20 working days after payment confirmation.
For urgent orders, we can expedite production to meet your timeline.
Q7. What is your Payment?
A: 100% T/T in advance or Western Union for small orders.
B: 30% T/T upfront, with the remaining 70% due before shipment.
C: 100% Irrevocable LC at sight for large orders.
Q8: Can you make DDQ (Deep Drawing Quality)?
A: Yes, we can. Our materials are perfect for stainless steel pots, sinks, bowls, and more. Share your usage needs, and we'll tailor the mechanical properties accordingly.
Q9: How to get a sample?
A: FREE samples are available for assessment. For small pieces, we may cover the courier cost depending on the situation.
Q10: Which countries have you exported to?
A: We have exported stainless steel materials to Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and many others.
Q11: How to visit your company?
A: Fly to Guangzhou Baiyun International Airport, and we will arrange a pick-up for you.
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