| 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, a leader in the industry, ensures comprehensive traceability of each stainless steel coil through our state-of-the-art ERP system. This includes detailed tracking of type, specification, and origin. We champion anti-counterfeiting measures within the industry and leverage advanced technology for unparalleled processing and customization. Our high precision and superior quality stand as industry benchmarks. In terms of service excellence, we promote comprehensive product life cycle management. Our professional team offers expert material selection and processing solutions pre-sale, maintains stringent monitoring during sales, and guarantees seamless, worry-free service post-sale.
Quality, Delivery, Inspection
- At Daxun, we perform a series of rigorous quality assurance tests to ensure our products meet the highest standards. These include flattening tests, pitting and resistance tests, mechanical tests, hardness tests, material positive identification, and expansion tests. Each test is meticulously conducted to ensure the material's suitability for its intended application.
- During production, we meticulously measure the diameter, thickness, and surface quality of each product. Our standard delivery timeline is 7-15 days. For special-sized products, this may extend to 20 days to ensure precise manufacturing.
Our delivery schedule adheres strictly to the agreed contract, ensuring reliability and punctuality.
- We welcome third-party agency inspections at our factory, providing transparency and assurance to our customers.
- We offer free samples to customers for testing, ensuring confidence in our product quality before purchase.
- We support on-site inspections and video factory tours to further assure our customers of our manufacturing excellence.
Ordering Information
Purchase orders should detail the required quantity, grade, type or category, API5L reference, thickness, width, length, and any specific requirements relating to chemical composition, mechanical properties, heat treatment, additional testing, manufacturing processes, surface coating, or end finish. Contact Daxun today, and we will respond to your email promptly, ensuring a seamless ordering process.
Daxun's stainless steel journey commenced in 2003. Over two decades of remarkable progress, our stainless steel materials and processing business have consistently led the industry in China.
Daxun has been a pioneer in overseas business for more than 20 years. In 2022, our export revenue soared past US$100 million, placing us among the premier stainless steel trade and processing companies in China. With three robust export service bases established, we collaborate with engineering firms, steel mills, and global trading enterprises to serve international markets. Our relentless pursuit of service excellence has empowered us to enhance capabilities continually and find new opportunities for expansion.
Daxun International offers an unparalleled stainless steel chain supermarket experience, maintaining longstanding partnerships with renowned steel mills worldwide. Our inventory boasts 60,000 tons of standard stainless steel and 20,000 tons of specialized metals such as duplex steel, nickel-based alloys, and heat-resistant steel. Daxun International guarantees superior quality, ensuring that all materials adhere strictly to specifications, varieties, and delivery standards.
Daxun is equipped with cutting-edge steel processing machinery, a sophisticated physical and chemical testing center, and comprehensive processing lines that include cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying.
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. Collaborating with steel mills, research institutes, and other organizations, we offer integrated solutions from project design and material development to processing and manufacturing 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 can offer you a wide range of general steel types such as 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 300 series, and more.
Additionally, we provide 400 series and duplex stainless steel including 2205, 2304, 2101, 2507, etc., as well as high-nickel alloys like 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
Yes, we can manufacture the products based on your drawings to ensure they meet your specific requirements and satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We strictly monitor quality control processes from start to finish to ensure the highest standards.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can accommodate changes in packaging and transportation according to your request,
but please note that you will need to cover any additional costs incurred during this period.
Q5. How does your factory do regarding quality control?
Quality is our top priority. We strictly monitor quality control processes from start to finish to ensure the highest standards.
Q6. How long is the delivery time?
A: Delivery takes approximately 7-20 working days after payment confirmation.
If the order is urgent, we can expedite the process to meet your needs.
Q7. What are your Payment Terms?
A: 100% T/T in advance or Western Union for smaller orders.
B: 30% T/T in advance and the balance 70% before shipment.
C: 100% Irrevocable LC at sight for larger orders.
Q8: Can you make DDQ (Deep Drawing Quality)?
A: Yes, we can. Our materials are suitable for producing stainless steel pots, sinks, bowls, and more. Provide us with your usage details, and we will adjust the mechanical properties to meet your requirements.
Q9: How can I get a sample?
A: We offer FREE samples for your evaluation. If you require a small piece, we may cover the courier cost, depending on the situation.
Q10: To which countries have you exported?
A: We have successfully exported stainless steel materials to countries including Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and many others.
Q11: How can I visit your company?
A: You can fly to Guangzhou Baiyun International Airport, where we will arrange to pick you up.
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