| 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 meticulous traceability for every stainless steel coil via an advanced ERP system, meticulously documenting type, specification, and origin. As an industry leader, Daxun champions anti-counterfeiting measures. Utilizing cutting-edge technology for processing and customization, Daxun sets the standard for precision and quality. Our holistic service model encompasses product life cycle management, offering expert material selection and custom processing solutions pre-sale, rigorous monitoring during transactions, and unparalleled after-sales support for absolute peace of mind.
Quality, Delivery, Inspection
- Daxun conducts comprehensive quality assurance tests to maintain superior standards. These include flattening tests, pitting and resistance tests, mechanical tests, hardness tests, positive material identification, and expansion tests. Each test is designed to confirm that the material meets stringent application requirements.
- Throughout production, we meticulously measure product diameter, thickness, and surface. Standard delivery times range from 7 to 15 days, extending to 20 days for special size products, ensuring we meet all specifications without compromise.
Our delivery schedule strictly adheres to the agreed contract terms, ensuring timely and reliable fulfillment.
- We welcome customer third-party agencies for factory inspections, ensuring transparency and confidence.
- We provide free samples for customers to test our product quality.
- Customers can opt for on-site or video factory inspections, providing flexible options for verification.
Ordering Information
Purchase orders should specify the quantity, grade, type or category, API5L reference, thickness, width, length, and any additional requirements concerning chemical composition, mechanical properties, heat treatment, extra testing, manufacturing processes, surface coating, or end finish. Contact Daxun now for a prompt response to your inquiries.
Since its inception in 2003, Daxun's stainless steel business has experienced two decades of dynamic growth, positioning itself as a leader in China's industry. Our stainless steel materials and processing ventures are renowned for their excellence and innovation.
With over 20 years of experience in international markets, Daxun's export revenue surpassed US$100 million in 2022, making us one of China's top stainless steel trade and processing companies. We have established three dedicated export service bases in China and forged strong partnerships with engineering firms, steel mills, and global trading companies. Our continuous efforts to enhance service capabilities and expand into overseas markets have solidified our reputation as a trusted global player.
Daxun International offers comprehensive stainless steel chain supermarket services and maintains long-term partnerships with several renowned steel mills worldwide. With an inventory 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, we guarantee reliable quality and adherence to stringent standards for variety, specifications, and delivery weights.
Daxun boasts an array of steel processing equipment, complemented by a state-of-the-art physical and chemical testing center. Our advanced processing lines offer services such as cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying, ensuring superior quality and precision in every product.
Our services span more than 30 industries, including automotive, 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 process optimization in manufacturing.
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 a diverse range of high-quality steel types such as 310S, 316L, 304, 304L, 201, 904L, 316H, 316. 316L, and a variety of
400 series, along with duplex stainless steel like 2205, 2304, 2101, 2507, and high-nickel alloys including 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
A: Absolutely, we can manufacture products based on your drawings to ensure they meet your exact specifications.
Q3. How does your factory do regarding quality control?
A: Quality is our highest priority. We consistently emphasize rigorous quality control from the initial stage to the final product.
Q4. Can I request to change the form of packaging and transportation?
A: Yes, we can modify the packaging and transportation formats according to your preferences,
but please note that you will need to cover any additional costs and related expenses during this period.
Q5. How does your factory do regarding quality control?
A: Quality is our highest priority. We consistently emphasize rigorous quality control from the initial stage to the final product.
Q6. How long is the delivery time?
A: It typically takes 7 to 20 working days after payment confirmation.
If the order is urgent, we will expedite the process 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 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. Let us know your requirements, and we will adjust the mechanical properties to meet your needs.
Q9: How to get a sample?
A: FREE samples are available for inspection and testing. For small pieces, we can cover the courier cost, depending on the situation.
Q10: Which countries have you exported to?
A: To date, we have exported stainless steel materials to Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and more.
Q11: How to visit your company?
A: You can fly to Guangzhou Baiyun International Airport, and we will arrange to pick you up from there.
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