| 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, under Jiangsu Daxun Alloy Co., Ltd., ensures full traceability of each POSCO 309S Stainless Steel Coil through an advanced ERP system, encompassing type, specification, and origin. As a leader in industry anti-counterfeiting, Daxun employs cutting-edge technology for processing and customization, setting the benchmark with high precision and quality. Our service excellence spans the entire product life cycle, offering expert material selection and processing solutions pre-sale, stringent monitoring during sale, and comprehensive, worry-free service guarantees post-sale.
Quality, Delivery, Inspection
- Daxun rigorously conducts multiple quality assurance tests to guarantee suitability for required applications. These include flattening tests, pitting and resistance tests, mechanical tests, hardness tests, material positive identification, expansion tests, and more. Our commitment to quality ensures every material's performance and reliability.
- Throughout the production process, we meticulously measure the diameter, thickness, and surface of each product. Our typical delivery time ranges from 7 to 15 days. For special size products, delivery extends up to 20 days, ensuring precision and quality in every order.
Our delivery schedule is meticulously adhered to, strictly following the agreed contract timelines.
- We welcome and support customer third-party agency inspections at our factory, ensuring transparency and trust.
- We offer free samples to customers for testing, demonstrating our commitment to quality and customer satisfaction.
- We support both on-site and video factory inspections, providing flexibility and assurance to our customers.
Ordering Information
Purchase orders should specify the quantity, grade, type or category, API5L reference, thickness, width, length, and any relevant attachments or additional requirements concerning chemical composition, mechanical properties, heat treatment, additional testing, manufacturing process, surface coating, or end finish. Contact Daxun now, and we will respond to your email promptly.
Jiangsu Daxun Alloy Co., Ltd. embarked on its stainless steel journey in 2003. Over the past 20 years, we have swiftly advanced, positioning our stainless steel materials and processing business at the pinnacle of China's industry landscape.
With over two decades of experience in international markets, Daxun achieved remarkable milestones in 2022, boasting export revenues surpassing US$100 million. Our export volume ranks us among China's elite stainless steel trade and processing companies. Through strategic alliances with engineering firms, steel mills, and global trading companies, we have established three robust export service bases in China. These collaborations continually enhance our service capabilities, enabling us to meet and exceed the demands of overseas markets.
Daxun International offers a comprehensive 'stainless steel chain supermarket' service, built on long-term partnerships with globally renowned steel mills. We maintain a substantial inventory, including 60,000 tons of standard stainless steel and 20,000 tons of specialized materials such as duplex steel, nickel-based alloys, and heat-resistant steel. We guarantee the authenticity and reliability of our stainless steel materials, ensuring all varieties, specifications, and delivery weights strictly adhere to industry standards.
Daxun is equipped with state-of-the-art steel processing machinery, a dedicated physical and chemical testing center, and an array of processing lines for cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying. This advanced infrastructure ensures precision and excellence in every project.
Our versatile services span over 30 industries, including automotive, home appliances, elevators, new energy, vacuum semiconductors, food and beverage/bio-fermentation, petrochemicals, and energy equipment. By collaborating with steel mills, research institutes, and various institutions, we provide seamless, integrated solutions from project design and material development to processing and manufacturing process optimization.
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 are proud to offer a wide range of general steel types such as 310S, 316L, 304, 304L, 201, 904L, 316H, 316, and 300 series.
Additionally, we specialize in the 400 series and duplex stainless steel like 2205, 2304, 2101, 2507, as well as high-nickel alloys including 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
A: Absolutely, we can manufacture products that are tailored to your precise drawings to ensure maximum satisfaction.
Q3. How does your factory do regarding quality control?
A: Quality is our utmost priority. We consistently emphasize stringent quality control from the very beginning to the final stages.
Q4. Can I request to change the form of packaging and transportation?
A: Yes, we can modify the packaging and transportation methods based on your specific requests,
though you would need to cover any additional costs and differences incurred during this period.
Q5. How does your factory do regarding quality control?
A: 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: Our standard delivery time is 7 to 20 working days after payment confirmation.
For urgent orders, we will expedite production to meet your timeline.
Q7. What is your Payment?
A: We offer several payment options: 100% T/T in advance or Western Union for small orders.
B: 30% T/T in advance and 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 manufacturing stainless steel pots, sinks, bowls, etc. Let us know your specific usage requirements, and we will adjust the mechanical properties accordingly.
Q9: How to get a sample?
A: We provide FREE samples for your evaluation. For small samples, we may cover the courier cost depending on the circumstances.
Q10: Which countries have you exported to?
A: So far, we have successfully exported stainless steel materials 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 arrange to pick you up from there.
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