| 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 complete traceability of each stainless steel coil through our advanced ERP system, covering aspects such as type, specification, and origin. We champion industry anti-counterfeiting measures, leveraging cutting-edge technology for processing and customization. Our high precision and quality set the industry benchmark. Our holistic service approach encompasses meticulous product life cycle management, offering professional material selection and processing solutions prior to sales, rigorous monitoring during sales, and comprehensive after-sales service guarantees, ensuring a worry-free experience.
Quality, Delivery, and Inspection
- Daxun conducts a series of stringent quality assurance tests, including flattening test, pitting and resistance test, mechanical test, hardness test, material positive identification, and expansion test. These tests ensure that our materials meet the highest standards and are perfectly suited for their intended applications.
- Throughout the production process, we meticulously measure the diameter, thickness, and surface of our products. Our standard delivery timeframe is 7-15 days. For certain special-size products, the delivery time may extend to 20 days.
Our delivery schedule strictly adheres to the terms of the contract.
- We welcome customer third-party agencies to our factory for thorough inspections.
- We offer free samples to customers for evaluation and testing.
- Customers are supported with both on-site and video factory inspections.
Ordering Information
When placing purchase orders, please include details such as quantity, grade, type or category, API5L reference, thickness, width, length, and any relevant attachments or additional requirements related to chemical composition, mechanical properties, heat treatment, additional testing, manufacturing process, surface coating, or end finish. Contact Daxun now for prompt email responses, and let us cater to your stainless steel needs with efficiency and expertise.
Daxun's illustrious journey in the stainless steel industry commenced in 2003. With two decades of dynamic growth, Daxun has solidified its leadership position in China's stainless steel materials and processing sector.
For over 20 years, Daxun has been a significant player in the global market. In 2022, our export revenue surpassed US$100 million, elevating us to the top tier of stainless steel trade and processing companies in China. We have strategically established three export service bases within the country, collaborating with engineering firms, steel mills, and international trading companies to cater to overseas markets. Our relentless pursuit of excellence continues as we enhance our service capabilities and expand our global reach.
Daxun International offers comprehensive stainless steel chain supermarket services, maintaining enduring partnerships with renowned steel mills worldwide. Our inventory boasts 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 highest quality materials, adhering to stringent standards in variety, specification, and delivery weights.
Daxun is equipped with state-of-the-art steel processing equipment, a dedicated physical and chemical testing center, and advanced processing lines for cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying.
Our services span over 30 industries including automotive, home appliances, elevators, new energy, vacuum semiconductors, food and beverage/bio-fermentation, petrochemicals, and energy equipment. Partnering with steel mills and research institutions, we deliver integrated solutions from project design and material development to processing and manufacturing process optimization.
309SChemical Composition of 309S Stainless Steel Coil
| 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 |
Mechanical Properties of 309S Stainless Steel Coil
| 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) |
Physical Properties of 309S Stainless Steel Coil
| 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 wide array of general steel types including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L 300 and more.
Additionally, our range includes 400 series, duplex stainless steels like 2205, 2304, 2101, 2507, etc., and high-nickel alloys such as 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
A: Absolutely! We can manufacture products precisely according to your drawings to ensure maximum satisfaction.
Q3. How does your factory do regarding quality control?
A: Quality is our top priority. We consistently emphasize rigorous quality control from start to finish.
Q4. Can I request to change the form of packaging and transportation?
A: Yes, we can customize the packaging and transportation forms per your requests,
though you will need to bear any additional costs and differences incurred during this period.
Q5. How does your factory do regarding quality control?
A: Quality remains our top priority, with stringent quality control measures enforced from beginning to end.
Q6. How long is the delivery time?
A: Typically, 7 to 20 working days after payment confirmation.
If the order is urgent, we will expedite the process to ensure timely delivery.
Q7. What are your payment terms?
A: We offer flexible payment terms including 100% T/T in advance or Western Union for small orders.
Additionally, 30% T/T with the remaining 70% before shipment,
and 100% Irrevocable LC at sight for larger orders.
Q8: Can you provide DDQ (Deep Drawing Quality) materials?
A: Yes, our materials are apt for applications such as stainless steel pots, sinks, and bowls. Inform us of your specific needs, and we will adjust the mechanical properties accordingly.
Q9: How can I obtain a sample?
A: Free samples are available for checking and testing. For small pieces, we may cover the courier costs depending on the situation.
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 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.
Audited Supplier 
){kind=link}
){kind=link}