| 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 full traceability of each stainless steel coil through our advanced ERP system. This includes critical information such as type, specification, and origin, which aids in our robust anti-counterfeiting measures. Our reliance on cutting-edge technology allows us to set industry standards in processing and customization, offering unparalleled high precision and quality. We excel in product life cycle management, providing expert material selection and processing solutions before sales, meticulous monitoring during sales, and reliable, worry-free service guarantees post-sales.
Unmatched Quality, Timely Delivery, Rigorous Inspection
- Daxun Stainless Steel conducts comprehensive quality assurance tests to ensure material suitability for any required application. Our rigorous testing regimen includes flattening, pitting and resistance tests, mechanical evaluations, hardness measurements, material positive identification, and expansion tests, all designed to meet the highest industry standards.
- During production, we meticulously measure the diameter, thickness, and surface quality of our products. Our standard delivery timeline is 7-15 days, though this extends to 20 days for special size products, to guarantee the highest quality.
We strictly adhere to contractually agreed delivery times, ensuring reliability and trust.
- We support customer third-party agencies for on-site factory inspections.
- We offer free sample testing to our customers to ensure product satisfaction.
- We facilitate both on-site and video factory inspections for our customers.
Ordering Information
When placing a purchase order, please include details such as quantity, grade, type or category, API5L reference, thickness, width, length, and any additional requirements related to chemical composition, mechanical properties, heat treatment, additional testing, manufacturing process, surface coating, or end finish. Contact Daxun now, and we guarantee a prompt response to your email inquiries.
Jiangsu Daxun Alloy Co., Ltd. embarked on its journey in the stainless steel business in 2003. With over two decades of vigorous growth, Daxun's stainless steel materials and processing services have consistently remained at the vanguard of China's industry.
With a robust presence in overseas markets for more than 20 years, Daxun achieved an export revenue surpassing US$100 million in 2022. This remarkable feat ranks it among China's elite in stainless steel trade and processing. Establishing three premier export service bases, Daxun collaborates closely with engineering firms, steel mills, and international trading companies to continually enhance service capabilities and penetrate global markets.
Daxun International offers a comprehensive stainless steel chain supermarket service, bolstered by long-term partnerships with renowned steel mills worldwide. Our inventory includes 60,000 tons of standard stainless steel and 20,000 tons of specialized metals like duplex steel, nickel-based alloys, and heat-resistant steel. Our stainless steel materials are synonymous with quality and authenticity, strictly adhering to specifications and delivery standards.
Equipped with multiple state-of-the-art steel processing machines, a specialized physical and chemical testing center, and advanced processing lines for cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying, Daxun ensures precision and excellence in every product.
Our services span over 30 diverse industries including automotive, home appliances, elevators, new energy, vacuum semiconductors, food and beverage/bio-fermentation, petrochemicals, and energy equipment. In collaboration with steel mills and research institutions, we deliver integrated solutions from project design and material development to processing and manufacturing optimization.
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 proudly offer a diverse range of high-quality steel types, including 310S, 316L, 304, 304L, 201, 904L, 316H, 316. Additionally, we provide 316L, 300 series, and more.
Our collection also encompasses the 400 series and duplex stainless steel varieties such as 2205, 2304, 2101, 2507, as well as 904L, 800H, and high-nickel alloys like 600H.
Q2. Can you produce the products according to my own drawings?
Absolutely, we can manufacture products tailored to your exact drawings, ensuring your utmost satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We maintain stringent quality control measures from start to finish, ensuring excellence at every stage.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can accommodate changes to packaging and transportation as per your request.
However, please note that you will be responsible for any additional costs and differences incurred during this period.
Q5. How does your factory do regarding quality control?
Quality is our top priority. We maintain stringent quality control measures from start to finish, ensuring excellence at every stage.
Q6. How long is the delivery time?
A: Our standard delivery time is between 7 to 20 working days after 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 material is suitable for making stainless steel pots, sinks, bowls, etc. Share your specific usage, and we will adjust the mechanical properties to meet your requirements.
Q9: How to get a sample?
A: FREE samples are available for your evaluation. If you require a small piece, we may cover the courier cost, depending on the situation.
Q10: Which country have you exported to?
A: We have proudly exported our stainless steel materials to numerous countries including Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and more.
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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