| SS 309S / 309S Stainless Steel Coil Specification |
ASTM A240 / ASME SA240 |
| SS 309S / 309S Stainless Steel Coil Manufacturing Process |
Hot Rolled (HR) / Cold Rolled (CR) |
| SS 309S / 309S Stainless Steel Coil Grades |
202 / SS 309S / 309S / SS 309S / 309SL / SS 309S / 309SH / 309S / 310S / 309S / 309S / 309STi / 317L / 321 / 321H / 347 / 347H / 904L etc. |
| UNS No. - UNS SSS 309S / 309S00, UNS SSS 309S / 309S03, UNS S31008, UNS S309S20, UNS S309S03, UNS S309S03, UNS S309S35, 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 |
| SS 309S / 309S Stainless Steel Coil Thickness |
0.6 MM TO 80 MM THICKNESS |
| SS 309S / 309S Stainless Steel Coil Width |
1250 MM / 1500 MM / 2000 MM / 04 Feet / 05 Feet and Custom Cut Width as Per Requirement |
| SS 309S / 309S Stainless Steel Coil Length |
2400 MM / 2420 MM / 6000 MM / 08 Feet / 10 Feet / Coil Cut and Custom Cut Length as Per Requirement |
| SS 309S / 309S 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. |
| SS 309S / 309S Stainless Steel Coil Coating |
PVC coating Normal / Laser, Film: 100 micrometer, Color: black/white. |
| SS 309S / 309S 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. |
| SS 309S / 309S 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 |
| SS 309S / 309S Stainless Steel Coil Packaging |
Loose / Carrate / Wooden Pallet / Wooden box-a / Plastic Cloth Wraps |
| SS 309S / 309S 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 |
| SS 309S / 309S 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 |
Daxun Stainless Steel ensures full traceability for each stainless steel coil via our advanced ERP system, meticulously recording type, specification, and origin. We staunchly advocate for and promote industry anti-counterfeiting measures. Leveraging cutting-edge technology, Daxun excels in high-precision processing and customization, setting the industry benchmark for quality. Our comprehensive service approach spans the entire product lifecycle, offering expert material selection and processing solutions pre-sale, stringent monitoring during sales, and reliable post-sale service guarantees.
Quality, Delivery, and Inspection
- Daxun rigorously conducts multiple quality assurance tests to guarantee material suitability for your applications. These include flattening tests, pitting and resistance tests, mechanical and hardness tests, material positive identification, and expansion tests. Each test is designed to uphold our high standards of quality and performance.
- Throughout production, we meticulously measure the diameter, thickness, and surface of each product. Our standard delivery timeframe is 7-15 days. For special size products, the delivery period extends to 20 days to ensure precision.
We adhere strictly to the contract-specified delivery times.
- We support inspections by third-party agencies to verify factory conditions and product quality.
- We offer free samples to customers for thorough testing.
- We facilitate both on-site and video factory inspections.
Ordering Information
Your purchase orders should detail the quantity, grade, type or category, API5L reference, thickness, width, length, and any additional requirements concerning chemical composition, mechanical properties, heat treatment, further testing, manufacturing processes, surface coating, or end finishes. Reach out to Daxun now, and we will respond to your inquiry promptly.
Since its inception in 2003, Daxun has rapidly ascended to the pinnacle of China's stainless steel industry. With a legacy of two decades, our stainless steel materials and processing expertise continue to lead the way in innovation and quality.
Boasting over 20 years of international business acumen, Daxun achieved a milestone in 2022 with export revenues surpassing US$100 million, positioning us among the elite in China's stainless steel trade and processing sector. Our strategic export service bases, coupled with partnerships with engineering firms, steel mills, and global trading companies, enable us to deliver unparalleled service and expand our global footprint. By continuously enhancing our capabilities, we ensure excellence in serving the overseas markets.
At Daxun International, we offer a comprehensive stainless steel chain supermarket service, backed by long-term alliances with globally renowned steel mills. Our inventory boasts 60,000 tons of ordinary stainless steel and 20,000 tons of high-grade metals such as duplex steel, nickel-based alloys, and heat-resistant steel. Committed to quality and authenticity, our stainless steel materials adhere strictly to standards in variety, specification, and delivery weights.
Equipped with state-of-the-art steel processing machinery and a dedicated physical and chemical testing center, Daxun offers a multitude of processing services including cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying, ensuring precision and excellence in every project.
Daxun's services extend across 30+ industries, from automotive and home appliances to new energy and vacuum semiconductors. Collaborating with steel mills and research institutions, we deliver integrated solutions encompassing project design, material development, and process optimization to meet the specific needs of each sector.
309S309S Stainless Steel Coil Chemical Composition
| Element |
% Present (in product form) |
| |
C, H, P, L |
TW2) |
| Carbon (C) |
0.2 |
0.2 |
| Silicon (Si) |
1.50 - 2.00 |
1.50 - 2.50 |
| Manganese (Mn) |
2 |
2 |
| Phosphorous (P) |
0.045 |
0.045 |
| Sulfur (S) |
0.015 |
0.03 |
| Chromium (Cr) |
19.00 - 21.00 |
19.00 - 21.00 |
| Nickel (Ni) |
11.00 - 13.00 |
11.00 - 13.00 |
| Nitrogen (N) |
0.11 |
- |
| Iron (Fe) |
Balance |
Balance |
309S Stainless Steel Coil Mechanical Properties
| Product Form |
|
|
|
| |
C, H, P |
L |
TW* |
| Thickness a or diamter d (mm) |
a ≤ 12 |
d ≤ 25 |
a=25 |
| Hardness HB max. 1) 2) 3) |
216 |
- |
| Proof Strength3) |
Rp0.2 N/mm2 |
190 |
230 |
| Rp1.0 N/mm2 |
230 |
270 |
| Tensile Strength |
Rm N/mm2 |
500 - 720 |
min. 550 |
| Elongation min. in % |
Long Products |
401) |
- |
| Flat Products |
0.5 ≤ a/d 3 |
404)5) |
304)5)6) |
| 3 ≤ a/d |
404)5) |
304)5)6) |
309S Stainless Steel Coil Physical Properties
| Density (lb./ in^2) @ RT |
|
0.29 |
| Modulus of Elasticity in Tension (psi x 10^6) |
|
29 |
| Specific Heat (BTU/o F/lb.) |
32 to 212 oF |
0.12 |
| Thermal Conductivity (BTU/hr/ft^2/ft) |
212oF |
9 |
| |
932oF |
10.8 |
| Mean Coefficient of Thermal Expansion (in. x 10^-6 per o F) |
32 to 212oF |
8.3 |
| |
32 to 600oF |
9.3 |
| |
32 to 1,000oF |
9.6 |
| |
32 to 1,200oF |
10 |
| Electrical Resistivity (micro ohms - cm) |
at 70oF |
39.8 |
| Melting Point Range (oF) |
|
2550 - 2650 |
| Oxidation Resistance - Continuous Service(oF) |
|
2000 |
| Oxidation Resistance - Intermittent Service(oF) |
|
1800 |
Q1: What products can you offer?
A: We can provide a wide range of high-quality steel types including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, and 316L.
400 series, and duplex stainless steels such as 2205, 2304, 2101, 2507, etc., as well as high-nickel alloys like 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
Absolutely, we can manufacture products fully customized to your drawings, ensuring your utmost satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We maintain stringent quality control measures from start to finish.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can modify the packaging and transportation methods as per your request,
however, you will need to cover any additional costs and differences incurred during this process.
Q5. How does your factory do regarding quality control?
Quality is a priority. We always attach great importance to quality controlling from the beginning to end.
Q6. How long is the delivery time?
A: Delivery takes 7 to 20 working days after payment confirmation.
For urgent orders, we will expedite the process 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% 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 ideal for stainless steel cookware, sinks, and bowls. Let us know your requirements, and we'll tailor the mechanical properties accordingly.
Q9: How to get a sample?
A: We offer FREE samples for your evaluation and testing. For small pieces, we may cover the courier costs, depending on the situation.
Q10: Which countries have you exported to?
A: To date, we have exported stainless steel materials to Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and more.
Q11: How to visit your company?
A: Fly to Guangzhou Baiyun International Airport, where we will arrange to pick you up.
Audited Supplier 
){kind=link}