| 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 achieves unparalleled traceability for every stainless steel coil using an advanced ERP system, meticulously tracking type, specification, and origin. We are staunch advocates of industry anti-counterfeiting measures. Empowered by cutting-edge technology, Daxun Stainless Steel sets the benchmark for high precision and superior quality in processing and customization. Our service philosophy encompasses comprehensive lifecycle management, offering expert material selection and processing solutions pre-sale, rigorous monitoring during sales, and exceptional post-sale service guarantees.
Quality, Delivery, Inspection
- At Daxun, quality assurance is paramount. We conduct a battery of tests including flattening, pitting resistance, mechanical, hardness, positive material identification, and expansion tests-all designed to ensure our materials meet the highest standards and are perfectly suited for their intended applications.
- Throughout the production process, we meticulously measure diameter, thickness, and surface quality. Our standard delivery timeframe is 7-15 days; however, for specialized size products, delivery may extend to 20 days.
We adhere strictly to contractual delivery times.
- We welcome third-party inspection agencies to our factory.
- We offer complimentary samples for customer testing.
- We support on-site and video inspections of our factory.
Ordering Information
Purchase orders should specify quantity, grade, type or category, API5L reference, thickness, width, length, and any additional requirements regarding chemical composition, mechanical properties, heat treatment, additional testing, manufacturing process, surface coating, or end finish. Contact Daxun now, and expect a prompt email response.
Daxun's stainless steel journey commenced in 2003. With two decades of accelerated growth, our stainless steel materials and processing business have consistently led China's industry, setting benchmarks in quality and innovation.
For over 20 years, Daxun has been a key player in the global market. By 2022, our export revenue surpassed US$100 million, positioning us among the top stainless steel trade and processing firms in China. We have established three robust export service bases within China, collaborating with engineering companies, steel mills, and international trading firms to cater to the global markets. Our continuous efforts to enhance our service capabilities and expand our market reach are unwavering.
Daxun International offers a comprehensive stainless steel chain supermarket service, maintaining long-term partnerships with renowned steel mills worldwide. We manage 60,000 tons of standard stainless steel and 20,000 tons of specialty metals such as duplex steel, nickel-based alloys, and heat-resistant steel. Our stainless steel materials are of impeccable quality, with varieties, specifications, and delivery weights strictly adhering to set standards.
Equipped with advanced steel processing machinery and a state-of-the-art physical and chemical testing center, Daxun boasts a suite of processing lines, including cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying.
Our services extend across over 30 industries, encompassing sectors like automobiles, home appliances, elevators, new energy, vacuum semiconductors, food and beverage/bio-fermentation, petrochemicals, and energy equipment. Partnering with steel mills, research institutes, and other key entities, we deliver integrated solutions from project design and material development to processing and manufacturing process optimization.
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 a diverse range of steel types including 310S, 316L, 304, 304L, 201, 904L, 316H, and 316. Additionally, we provide 300 and 400 series, as well as duplex stainless steel such as 2205, 2304, 2101, and 2507.
Furthermore, we supply high-nickel alloys like 904L, 800H, and 600H, ensuring we meet all your specific needs.
Q2. Can you produce the products according to my own drawings?
Absolutely, we specialize in producing products tailored to your drawings, guaranteeing utmost satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our utmost priority. We implement rigorous quality control measures from the beginning to the very end of the production process.
Q4. Can I request to change the form of packaging and transportation?
Yes, we are flexible and can alter the packaging and transportation form according to your requirements.
However, any additional costs and differences will be your responsibility during this period.
Q5. How does your factory do regarding quality control?
Quality always comes first. We dedicate significant attention to maintaining strict quality controls from start to finish.
Q6. How long is the delivery time?
A: Standard delivery time is 7-20 working days after payment confirmation.
For urgent orders, we expedite the process to ensure faster completion.
Q7. What are your payment terms?
A: We offer flexible payment terms including 100% T/T in 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 produce DDQ (Deep Drawing Quality)?
A: Yes, we can. Our materials are ideal for stainless steel pots, sinks, bowls, and more. Share your usage requirements with us, and we'll adjust the mechanical properties to suit your needs.
Q9: How can I get a sample?
A: FREE samples are available for your inspection and testing. If you need a small piece, we may cover the courier cost, depending on the situation.
Q10: Which countries have you exported to?
A: Our stainless steel materials have reached many countries including Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and beyond.
Q11: How can I visit your company?
A: You can take a flight to Guangzhou Baiyun International Airport, and we will arrange to pick you up from there.
Audited Supplier 
){kind=link}
){kind=link}