| 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 unparalleled traceability for each stainless steel coil using an advanced ERP system, meticulously tracking type, specification, and origin. We champion industry-wide anti-counterfeiting measures. Leveraging cutting-edge technology, Daxun stands as an industry benchmark in high-precision and superior-quality stainless steel processing and customization. Our comprehensive service approach encompasses the entire product life cycle, offering expert material selection and processing solutions pre-sales, stringent monitoring during sales, and seamless, worry-free post-sales support.
Quality, Delivery, Inspection
- Daxun conducts a series of rigorous quality assurance tests to guarantee material suitability for its intended applications. These include flattening tests, pitting and resistance tests, mechanical tests, hardness tests, positive material identification, and expansion tests, all ensuring top-notch quality and reliability.
- Throughout the production process, we meticulously measure the product's diameter, thickness, and surface. Our standard delivery time ranges from 7-15 days, extending to 20 days for special size products, ensuring timely and reliable delivery.
We adhere strictly to contract terms for delivery timelines.
- We facilitate customer inspections by third-party agencies directly at the factory.
- We offer free sample testing to customers to ensure satisfaction and compliance with requirements.
- We support both on-site and video factory inspections for customer convenience.
Ordering Information
When placing purchase orders, please include the quantity, grade, type or category, API5L reference, thickness, width, length, and any specific 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 superior customer service.
Daxun's journey in the stainless steel industry commenced in 2003. With two decades of dynamic growth, our expertise in stainless steel materials and processing has consistently placed us at the pinnacle of China's industrial landscape.
With an unwavering commitment to excellence, Daxun has been a stalwart in the overseas market for over 20 years. In 2022 alone, our export revenue soared past US$100 million, securing our position among China's elite stainless steel trade and processing companies. We proudly operate three dedicated export service bases in China and collaborate seamlessly with engineering companies, steel mills, and international trading firms to deliver unparalleled service to global markets. Our relentless pursuit of service enhancement drives us to continuously expand our international footprint.
Daxun International stands as a beacon of reliability, offering comprehensive stainless steel chain supermarket services. In partnership with renowned steel mills worldwide, we maintain an impressive stock 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. Priding ourselves on authenticity, Daxun International guarantees the highest quality materials, meticulously adhering to strict standards for varieties, specifications, and delivery weights.
Daxun boasts an array of advanced steel processing equipment, complemented by a state-of-the-art physical and chemical testing center. Our processing lines encompass a wide spectrum of services, including cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying, ensuring precision and excellence in every task.
Our services span across more than 30 diverse industries such as automotive, home appliances, elevators, new energy, vacuum semiconductors, food and beverage/bio-fermentation, petrochemicals, and energy equipment. In collaboration with leading steel mills and research institutes, we offer holistic solutions from project design and material development to the optimization of processing and manufacturing procedures.
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 proudly offer you a wide range of premium steel types including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, and 316L.
Additionally, we provide 400 series stainless steel and duplex stainless steel such as 2205, 2304, 2101, 2507, as well as high-nickel alloys like 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
Yes, we specialize in custom production and can manufacture products precisely according to your drawings to ensure complete satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We consistently emphasize rigorous quality control throughout the entire production process, from start to finish.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can adapt the packaging and transportation forms to meet your specific requirements,
however, you will need to cover any additional costs and price differences that may arise during this period.
Q5. How does your factory do regarding quality control?
Quality is our top priority. We consistently emphasize rigorous quality control throughout the entire production process, from start to finish.
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 processing in our workshop to meet your timeline.
Q7. What is your Payment?
A: 100% T/T in advance, Western Union (for small orders)
B: 30% T/T upfront 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 materials are suitable for stainless steel pots, sinks, bowls, etc. Provide us with your usage details, and we will tailor the mechanical properties to meet your specific requirements.
Q9: How to get a sample?
A: FREE samples are available for your inspection and testing. For small pieces, we can cover courier costs, depending on the situation.
Q10: Which countries have you exported to?
A: To date, we have proudly exported stainless steel materials to Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and more.
Q11: How can I visit your company?
A: Fly to Guangzhou Baiyun International Airport, and we will arrange for your pickup.
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