| 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 |
Recognized globally as a leader in stainless steel coil fabrication, we at Jiangsu Daxun Alloy Co., Ltd. are committed to excellence in every facet of our services. Discover the unparalleled quality and precision of our craftsmanship.
Type 321 is a titanium-stabilized chromium-nickel austenitic stainless steel offering corrosion resistance comparable to 304/304L. Ideal for applications within the 800-1500˚F range, it is fortified against chromium carbide precipitation with the addition of titanium, resulting in the formation of durable titanium carbides. Type 321 stands out with superior intergranular corrosion resistance, oxidation resistance up to 1500˚F, and enhanced creep and stress rupture properties compared to 304/304L. It also maintains strength at low temperatures and remains non-magnetic after annealing.
Daxun Stainless Steel ensures complete traceability of each stainless steel coil through our advanced ERP system, detailing type, specification, and origin, while actively promoting industry anti-counterfeiting measures. Leveraging cutting-edge technology, we set the benchmark for high-precision, high-quality customization and processing. Our comprehensive service suite encompasses pre-sales professional material selection and processing solutions, stringent in-sales monitoring, and seamless post-sales service guarantees.
Quality, Delivery, Inspection
- At Daxun, we uphold rigorous quality assurance protocols including flattening tests, pitting and resistance tests, mechanical tests, hardness tests, material positive identification, and expansion tests. These stringent evaluations ensure that our materials meet the highest standards for their intended applications.
- Throughout production, we meticulously measure the diameter, thickness, and surface quality of our products. Our standard delivery timeframe is 7-15 days, extending to 20 days for specific sizes. We pride ourselves on adhering strictly to contract-specified delivery schedules.
Our delivery commitments are rigorously aligned with contractual agreements.
- We support inspections by customer-designated third-party agencies at our factory.
- We offer free samples to customers for thorough testing.
- We facilitate both on-site and video factory inspections to ensure transparency and quality.
Ordering Information
Purchase orders should detail quantity, grade, type or category, API5L reference, thickness, width, length, and any specific requirements concerning chemical composition, mechanical properties, heat treatment, additional testing, manufacturing process, surface coating, or end finish. Reach out to Daxun now, and we will promptly respond to your queries.
Jiangsu Daxun Alloy Co., Ltd.'s journey into the stainless steel industry began in 2003. Over two decades of rapid growth, Daxun has emerged as a leader in stainless steel materials and processing, consistently staying at the forefront of China's industry.
With over 20 years in the global market, Daxun achieved an export revenue surpassing US$100 million in 2022, positioning itself among China's top-tier stainless steel trade and processing companies. We have three strategically located export service bases in China, collaborating with engineering firms, steel mills, and international trading companies to enhance our global reach. Daxun relentlessly improves service capabilities to meet and exceed overseas market demands.
Daxun International offers a comprehensive stainless steel chain supermarket service and maintains long-term collaborations with dozens of renowned steel mills worldwide. We boast a substantial inventory of 60,000 tons of standard stainless steel and 20,000 tons of specialty metals like duplex steel, nickel-based alloys, and heat-resistant steel. Our stainless steel materials are guaranteed authentic, with varieties, specifications, and delivery weights adhering strictly to industry standards.
Equipped with advanced steel processing machinery, a state-of-the-art physical and chemical testing center, and specialized processing lines for cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying, Daxun ensures unparalleled precision and quality in steel processing.
Our services span more than 30 sectors, including automotive, home appliances, elevators, new energy, vacuum semiconductors, food and beverage/bio-fermentation, petrochemicals, and energy equipment. By partnering with steel mills and research institutes, we provide end-to-end solutions from project design and material development to processing and manufacturing optimization.
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 proudly offer a diverse range of general steel types, including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L 300, and more.
In addition, 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?
Absolutely! We can manufacture products precisely according to your drawings to ensure the utmost satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We consistently emphasize rigorous quality control from the very beginning to the final product.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can customize the packaging and transportation forms according to your requests.
However, you will need to cover any additional costs and differences incurred during this period.
Q5. How does your factory do regarding quality control?
Quality is our top priority. We consistently emphasize rigorous quality control from the very beginning to the final product.
Q6. How long is the delivery time?
A: The standard delivery time is 7 to 20 working days after payment confirmation.
For urgent orders, we can expedite the process to meet your timeline.
Q7. What is your Payment?
A: 100% T/T in advance, Western Union for small orders.
B: 30% T/T upfront and 70% balance before shipment.
C: 100% Irrevocable LC at sight for large orders.
Q8: Can you make DDQ (Deep Drawing Quality)?
A: Yes, we specialize in DDQ. Our material is perfect for stainless steel pots, sinks, bowls, etc. Let us know your specific usage, and we'll tailor the mechanical properties to meet your needs.
Q9: How to get a sample?
A: FREE samples are available for your inspection and testing. If you need a small piece, we might cover the courier cost depending on the situation.
Q10: Which countries have you exported to?
A: We have proudly exported stainless steel material to countries including Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and more.
Q11: How can I visit your company?
A: You can fly to Guangzhou Baiyun International Airport, and we will graciously arrange to pick you up.
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