| 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 the complete traceability of every stainless steel coil through our advanced ERP system. This includes the type, specification, and origin of the material, championing industry anti-counterfeiting measures. Utilizing cutting-edge technology for processing and customization, Daxun sets the benchmark for high precision and superior quality. Our service excellence extends to lifecycle management, offering expert material selection and processing solutions pre-sale, rigorous monitoring during sales, and comprehensive post-sale service guarantees.
Quality, Delivery, and Inspection
- Daxun Stainless Steel conducts a series of stringent quality assurance tests, including flattening tests, pitting and resistance tests, mechanical tests, hardness tests, material positive identification, and expansion tests. These rigorous evaluations ensure that our materials meet the highest standards for their intended applications.
- Throughout the production process, we meticulously measure the diameter, thickness, and surface quality of our products. Our standard delivery time ranges from 7 to 15 days, although certain special size products may extend the delivery period to 20 days.
We adhere strictly to the agreed-upon delivery timelines as specified in the contract.
- We welcome third-party agency inspections at our factory, ensuring transparency and trust.
- We provide free samples for customer testing, allowing you to evaluate our product quality firsthand.
- We offer the convenience of on-site or video factory inspections to accommodate your needs.
Ordering Information
When placing purchase orders, please include the quantity, grade, type or category, API5L reference, thickness, width, length, and any relevant attachments or additional requirements. This may cover chemical composition, mechanical properties, heat treatment, additional testing, manufacturing processes, surface coating, or end finish. Contact Daxun now for prompt email responses to your inquiries.
Since its inception in 2003, Daxun's stainless steel business has ascended to the pinnacle of China's industry. With two decades of swift progress, our stainless steel materials and processing services have consistently led the market.
For over 20 years, Daxun has been a stalwart in the international market. In 2022, we achieved an export revenue surpassing US$100 million, positioning us among the elite in China's stainless steel trade and processing sectors. We have instituted three export service bases in China and forged enduring partnerships with engineering firms, steel mills, and global trading companies to serve international markets. Our relentless enhancement of service capabilities and strategic alliances enable us to continually expand our global footprint.
Daxun International offers a comprehensive stainless steel chain supermarket service, maintaining long-term cooperation with dozens of renowned steel mills worldwide. We boast an impressive 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 materials are synonymous with reliability and authenticity, strictly adhering to the specified varieties, specifications, and delivery weights.
Daxun is equipped with an array of 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.
Our services span over 30 industries such as automotive, home appliances, elevators, new energy, vacuum semiconductors, food and beverage/bio-fermentation, petrochemicals, and energy equipment. Collaborating with leading steel mills, research institutes, and other entities, we deliver integrated solutions encompassing project design, material development, and process optimization for manufacturing.
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 diverse range of high-quality stainless steel types including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, and the comprehensive 300 series.
Also, we provide 400 series and premium duplex stainless steels such as 2205, 2304, 2101, 2507, along with high-nickel alloys like 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
Yes, we can meticulously produce products tailored to your drawings, ensuring your utmost satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our priority. We consistently emphasize rigorous quality control processes 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 to meet your specific requests,
though 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 priority. We consistently emphasize rigorous quality control processes from start to finish.
Q6. How long is the delivery time?
A: Typical delivery time ranges from 7 to 20 working days post payment confirmation.
For urgent orders, we expedite processing to ensure timely completion.
Q7. What is your Payment?
A: 100% T/T in advance, Western Union (suitable for small orders).
B: 30% T/T upfront and the remaining 70% before shipment.
C: 100% Irrevocable LC at sight (ideal for large orders).
Q8: Can you make DDQ (Deep Drawing Quality)?
A: Absolutely. Our materials are perfect for stainless steel pots, sinks, bowls, etc. Share your specific usage, and we'll adjust the mechanical properties accordingly.
Q9: How to get a sample?
A: We offer FREE samples for evaluation and testing. For small pieces, we might cover the courier cost depending on the request.
Q10: Which countries have you exported to?
A: To date, we have exported our stainless steel materials to numerous countries including Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and many more.
Q11: How to visit your company?
A: Fly to Guangzhou Baiyun International Airport, where we will arrange for your pickup.
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