| 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 complete traceability for every stainless steel coil through its advanced ERP system, encompassing type, specification, and origin. We champion industry anti-counterfeiting measures. With unparalleled processing and customization technology, Daxun Stainless Steel sets the industry standard for precision and quality. Our comprehensive service model promotes product life cycle management, offering expert material selection and processing solutions pre-sale, rigorous monitoring during sales, and reliable after-sales service guarantees.
Quality, Delivery, Inspection
- Daxun conducts a series of rigorous quality assurance tests, including flattening, pitting and resistance, mechanical, hardness, material positive identification, and expansion tests. These meticulous evaluations ensure the material meets all required application standards.
- Throughout production, we meticulously measure the diameter, thickness, and surface of each product. Our standard delivery period ranges from 7 to 15 days. For special size products, this period extends to 20 days.
Our delivery timelines strictly adhere to contractual agreements.
- We support third-party agency inspections at our factory.
- We offer free samples to customers for testing purposes.
- We facilitate on-site or video factory inspections.
Ordering Information
Purchase orders should specify quantity, grade, type or category, API5L reference, thickness, width, length, and any additional requirements pertaining to chemical composition, mechanical properties, heat treatment, supplementary testing, manufacturing processes, surface coating, or end finish. Reach out to Daxun now for a prompt email response.
Daxun's journey in the stainless steel industry began in 2003. Over two decades of rapid expansion, our dedication has positioned us at the forefront of China's stainless steel materials and processing sector.
With over 20 years of experience in the global market, Daxun's export revenue surpassed US$100 million in 2022, ranking us among the leading stainless steel trade and processing companies in China. We have established three export service bases in China, partnering with engineering firms, steel mills, and international trading companies to cater to overseas markets. Our continuous improvements in service capabilities, combined with strategic collaborations, enable us to expand our international presence effectively.
Daxun International offers comprehensive stainless steel chain supermarket services and has long-term alliances with renowned steel mills worldwide. We maintain a substantial inventory of 60,000 tons of standard stainless steel and 20,000 tons of specialized metals, including duplex steel, nickel-based alloys, and heat-resistant steel. Our stainless steel materials are of the highest quality, with strict adherence to standards for varieties, specifications, and delivery weights.
Daxun boasts an array of advanced steel processing equipment, a state-of-the-art physical and chemical testing center, and diverse processing lines that include cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying.
Our services span over 30 industries such as automobiles, home appliances, elevators, new energy, vacuum semiconductors, food and beverage/bio-fermentation, petrochemicals, and energy equipment. Collaborating with steel mills and research institutes, we offer integrated solutions from project design and material development to process optimization in manufacturing.
309S 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 wide array of general steel types including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L, and 300 series.
In addition, we provide 400 series and high-performance duplex stainless steels such as 2205, 2304, 2101, 2507, and more. Our high-nickel alloy options include 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
Absolutely, we can manufacture products tailored to your specific drawings to ensure complete satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our utmost priority. We consistently emphasize rigorous quality control from the start to the final product.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can accommodate changes in packaging and transportation as per your request.
However, please note that any costs incurred during this process, including the price differences, will be your responsibility.
Q5. How does your factory do regarding quality control?
Quality is our utmost priority. We consistently emphasize rigorous quality control from the start to the final product.
Q6. How long is the delivery time?
A: The delivery time ranges from 7 to 20 working days post payment confirmation.
For urgent orders, we will expedite the process to ensure timely completion.
Q7. What is your Payment?
A: 100% T/T advance, Western Union (For Small Orders)
B: 30% T/T upfront 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 stainless steel cookware, sinks, bowls, etc. Share your specific usage, and we'll adjust mechanical properties to meet your needs.
Q9: How to get a sample?
A: FREE samples are available for your evaluation. For small pieces, we can cover the courier cost, depending on the situation.
Q10: Which countries have you exported to?
A: So far, our stainless steel materials have been exported to Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and many others.
Q11: How to visit your company?
A: Fly to Guangzhou Baiyun International Airport, and we will arrange to pick you up from there.
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