| 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 |
At Daxun Stainless Steel, we ensure complete traceability of every stainless steel coil through our advanced ERP system, documenting type, specification, and origin. We champion industry anti-counterfeiting measures. Leveraging cutting-edge technology, we deliver precision processing and customization, setting the highest industry standards for quality. Our comprehensive service includes expert material selection and processing solutions before purchase, meticulous monitoring during sales, and reliable after-sales support, ensuring a worry-free experience throughout the product lifecycle.
Quality, Delivery, and Inspection
- Daxun conducts extensive quality assurance tests such as flattening, pitting resistance, mechanical, hardness, material positive identification, and expansion tests. These rigorous procedures guarantee that our materials meet the highest standards and are perfectly suited for their intended applications.
- Throughout production, we meticulously measure the product's diameter, thickness, and surface quality. Our standard delivery timeframe is 7-15 days, with special size products requiring up to 20 days. We maintain strict adherence to these timelines, ensuring timely delivery.
We strictly adhere to the contracted delivery times.
- We welcome customer-appointed third-party agencies to conduct factory inspections.
- We offer free samples for customer testing.
- We support both on-site and video factory inspections.
Ordering Information
Purchase orders should detail the quantity, grade, type or category, API5L reference, thickness, width, length, and any additional requirements related to chemical composition, mechanical properties, heat treatment, extra testing, manufacturing process, surface coating, or end finish. Contact Daxun now, and we will respond to your email promptly.
Daxun's stainless steel journey began in 2003. Over the past two decades, we have rapidly evolved, positioning ourselves prominently at the forefront of China's stainless steel industry through our high-quality materials and sophisticated processing capabilities.
With over 20 years of experience in international trade, Daxun has excelled in the global market. In 2022, we achieved export revenues surpassing US$100 million, placing us among China's leading stainless steel trade and processing firms. We have strategically established three export service centers within China, collaborating with engineering firms, steel mills, and global trading companies to enhance our overseas market presence and continuously elevate our service standards.
Daxun International offers a comprehensive stainless steel chain supermarket service, having fostered long-term partnerships with numerous renowned steel mills globally. Our robust inventory includes 60,000 tons of conventional stainless steel and 20,000 tons of specialized metals such as duplex steel, nickel-based alloys, and heat-resistant steel. We guarantee the authenticity and reliability of our materials, adhering strictly to all specifications, standards, and delivery commitments.
Equipped with advanced steel processing machinery and a state-of-the-art physical and chemical testing center, Daxun boasts a variety of processing lines, including cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying, ensuring precision and excellence in every product.
Our services span over 30 industries, from automotive, home appliances, and elevators to new energy, vacuum semiconductors, food and beverage/bio-fermentation, and petrochemicals. Collaborating with steel mills, research institutes, and other entities, we provide end-to-end solutions covering project design, material development, and optimized processing and manufacturing techniques.
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 offer a comprehensive range of general steel types including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L 300, and more.
We also provide 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?
Yes, we can manufacture products based on your drawings to meet your exact specifications and satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We consistently emphasize rigorous quality control from the initial production stages to the final product.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can alter the packaging and transportation methods as per your request,
but you'll need to cover any additional costs and price differences incurred.
Q5. How does your factory do regarding quality control?
Quality is our top priority. We consistently emphasize rigorous quality control from the initial production stages to the final product.
Q6. How long is the delivery time?
A: Typically, it takes 7~20 working days after payment confirmation.
For urgent orders, we can expedite the process in our workshop to complete it sooner.
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 material is suitable for stainless steel pots, sinks, bowls, etc. Let us know your specific use-case, and we'll adjust the mechanical properties accordingly.
Q9: How to get a sample?
A: FREE samples are available for your inspection and testing. For small pieces, we can cover 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 many more.
Q11: How can I visit your company?
A: Fly to Guangzhou Baiyun International Airport, and we will arrange to pick you up.
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