| 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 offer unparalleled traceability of each stainless steel coil via our advanced ERP system, covering type, specification, and origin. We stand as champions of industry anti-counterfeiting measures and leverage cutting-edge technology for processing and customization. Our commitment to precision and quality has set the industry benchmark. We ensure excellence throughout the product lifecycle with comprehensive pre-sales material selection and processing solutions, meticulous monitoring during sales, and reliable after-sales service guarantees.
Quality, Delivery, and Inspection
- Daxun rigorously conducts multiple quality assurance tests including flattening, pitting and resistance, mechanical, hardness, material positive identification, and expansion tests. These thorough assessments confirm the material's suitability for its intended applications.
- Throughout production, we meticulously measure the diameter, thickness, and surface quality of our products. Standard delivery times range from 7-15 days, extending to 20 days for special size products, ensuring timely and precise fulfillment of orders.
Our delivery schedule strictly adheres to contractual agreements.
- We welcome third-party customer agencies to conduct factory inspections.
- We offer free samples for customer testing.
- We support both on-site and video factory inspections.
Ordering Information
Please include the following in your purchase orders: quantity, grade, type or category, API5L reference, thickness, width, length, and any additional requirements regarding chemical composition, mechanical properties, heat treatment, further testing, manufacturing process, surface coating, or end finish. Contact Daxun now, and we will respond to your inquiry promptly.
Daxun's journey in the stainless steel industry began in 2003. Over the past two decades, the company has witnessed rapid growth, positioning itself as a leader in China's stainless steel materials and processing industry.
With over 20 years of experience in overseas business, Daxun has achieved remarkable milestones. In 2022, the company's export revenue surpassed US$100 million, placing it among the top stainless steel trade and processing firms in China. Daxun has built three export service bases in China and collaborates extensively with engineering firms, steel mills, and international trading companies. We continue to elevate our service capabilities to serve the global market efficiently.
Daxun International offers comprehensive stainless steel chain supermarket services, maintaining long-term partnerships with numerous renowned steel mills worldwide. With an inventory of 60,000 tons of standard stainless steel and 20,000 tons of specialty metals like duplex steel, nickel-based alloys, and heat-resistant steel, Daxun International guarantees the quality and authenticity of its materials. Our varieties, specifications, and delivery weights strictly adhere to industry standards.
Daxun boasts a suite of advanced steel processing equipment, a state-of-the-art physical and chemical testing center, and an array of processing lines including 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. By partnering with steel mills, research institutions, and other organizations, we provide integrated solutions from project design and material development to process optimization in 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 provide a wide range of steel types such as 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L, and 300 series.
Additionally, we offer 400 series and duplex stainless steel such as 2205, 2304, 2101, 2507. We also specialize in high-nickel alloys like 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
Absolutely, we can manufacture products precisely according to your drawings to ensure the utmost satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We consistently maintain rigorous quality control from the beginning to the end of the production process.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can accommodate your request to change packaging and transportation methods,
however, you will need to cover any additional costs and price differences incurred during this period.
Q5. How does your factory do regarding quality control?
Quality is our top priority. We consistently maintain rigorous quality control from the beginning to the end of the production process.
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 the process to meet your deadline.
Q7. What is your Payment?
A: 100% T/T in advance, Western Union (for small orders)
B: 30% T/T down payment and 70% balance 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 making stainless steel pots, sinks, bowls, etc. Please inform us of your application, and we will adjust the mechanical properties to meet your requirements.
Q9: How to get a sample?
A: FREE samples are available for your inspection and testing. For small pieces, we may cover courier costs depending on the situation.
Q10: Which countries have you exported to?
A: We have exported stainless steel materials to various 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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