| 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 offers unparalleled traceability for each stainless steel coil via an advanced ERP system, encompassing type, specification, and origin. As an advocate for industry anti-counterfeiting, we leverage cutting-edge technology for superior processing and customization, setting the benchmark for precision and quality. We excel in product life cycle management, providing expert material selection and processing guidance before sales, stringent monitoring during sales, and impeccable service guarantees post-sales.
Quality, Delivery, and Inspection
- Daxun conducts extensive quality assurance tests to ensure material excellence. These include flattening tests, pitting and resistance tests, mechanical tests, hardness tests, material positive identification, and expansion tests. Each test is meticulously performed to confirm the material's suitability for its intended application.
- Throughout production, we meticulously measure the product's diameter, thickness, and surface. Our standard delivery time ranges from 7-15 days; however, for special size products, the delivery period may extend up to 20 days.
We adhere strictly to the contract for our delivery times.
- We support third-party inspections at our factory conducted by customer-appointed agencies.
- We offer free sample testing to our customers.
- We support both on-site and video factory inspections.
Ordering Information
To place an order, please include quantity, grade, type or category, API5L reference, thickness, width, length, and any specific requirements regarding chemical composition, mechanical properties, heat treatment, additional testing, manufacturing process, surface coating, or end finish. Contact Daxun today, and expect a prompt email response from our team.
Daxun's stainless steel journey commenced in 2003. Over two decades of accelerated growth, we have propelled our stainless steel materials and processing business to the pinnacle of China's industry, setting benchmarks in quality and innovation.
With a remarkable 20-year legacy in international business, Daxun's export revenue soared beyond US$100 million in 2022, placing us among China's elite stainless steel trade and processing companies. We have established three robust export service bases in China, collaborating with engineering firms, steel plants, and global trading enterprises to cater to international markets. Our relentless pursuit of excellence drives us to continually enhance our service capabilities, ensuring we remain a trusted partner in the global arena.
Daxun International offers comprehensive stainless steel chain supermarket services, fostering long-term partnerships with dozens of renowned steel mills globally. 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 commitment to quality is unwavering, with all materials meeting the highest standards in variety, specification, and delivery weight.
Equipped with state-of-the-art steel processing machinery, a dedicated physical and chemical testing center, and advanced processing lines for cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying, Daxun stands at the forefront of innovation and precision.
Our services span over 30 industries, encompassing automobiles, home appliances, elevators, new energy, vacuum semiconductors, food and beverage/bio-fermentation, petrochemicals, energy equipment, and more. By partnering with steel mills, research institutes, and other entities, we deliver integrated solutions from project design to material development and process optimization, ensuring excellence at every stage.
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 stainless steel types, including 310S, 316L, 304, 304L, 201, 904L, 316H, and more.
400 series, as well as duplex stainless steel such as 2205, 2304, 2101, 2507, and high-nickel alloys like 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
A: Absolutely, we can manufacture products precisely as per your drawings to ensure complete satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We consistently emphasize stringent quality control from start to finish.
Q4. Can I request to change the form of packaging and transportation?
A: Yes, we can modify the packaging and transportation according to your requests.
However, you will need to cover any additional costs and the price differences incurred during this period.
Q5. How does your factory do regarding quality control?
Quality is our top priority. We consistently emphasize stringent quality control from start to finish.
Q6. How long is the delivery time?
A: Our delivery time ranges from 7 to 20 working days post-payment confirmation.
For urgent orders, we expedite processes to meet your needs.
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, our materials are ideal for stainless steel pots, sinks, bowls, etc. Tell us your application, and we'll tailor the mechanical properties to suit your needs.
Q9: How to get a sample?
A: We provide FREE samples for your evaluation. For small pieces, we may cover the courier cost, depending on circumstances.
Q10: Which countries have you exported to?
A: We have successfully exported our stainless steel materials 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.
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