| 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 comprehensive traceability for each stainless steel coil through our state-of-the-art ERP system. This includes meticulous documentation of type, specification, and origin. We champion industry anti-counterfeiting measures. Leveraging cutting-edge technology for processing and customization, Daxun sets the industry benchmark with unparalleled precision and quality. Our service commitment is holistic, encompassing product life cycle management. We offer expert material selection and processing solutions pre-sale, rigorous monitoring during sales, and unmatched post-sale service guarantees.
Quality, Delivery, and Inspection
- Daxun maintains the highest standards of quality assurance through a comprehensive array of tests, including flattening, pitting and resistance, mechanical, hardness, material positive identification, and expansion tests. These stringent evaluations ensure our materials meet the stringent requirements of your applications.
- Throughout the production process, we meticulously measure the diameter, thickness, and surface quality of our products. Our standard delivery time ranges from 7-15 days. For special size products, the delivery period may extend to 20 days to ensure precision and quality.
Our delivery schedule strictly adheres to the contractual agreements, guaranteeing timely fulfillment of your orders.
- We fully support and encourage third-party inspections by customer-appointed agencies at our factory, ensuring transparency and confidence in our product quality.
- We offer free samples to customers for testing, allowing you to verify the superior quality of our products firsthand.
- We facilitate inspections either on-site or via video, providing flexibility and assurance in the quality of our manufacturing process.
Ordering Information
When placing purchase orders, please include details such as quantity, grade, type or category, API5L reference, thickness, width, length, and any additional requirements related to chemical composition, mechanical properties, heat treatment, additional testing, manufacturing process, surface coating, or end finish. Contact Daxun now, and we will respond to your inquiry with utmost promptness.
Established in 2003, Daxun has become a pioneer in China's stainless steel industry. Over two decades of rapid growth, we have cemented our position at the forefront with unparalleled expertise in stainless steel materials and processing.
With over 20 years in the international market, Daxun's export revenue surpassed US$100 million in 2022, placing us among the elite in stainless steel trade and processing in China. We have strategically established three export service bases within China and formed robust partnerships with engineering firms, leading steel mills, and major international trading companies to continually enhance our global service capabilities.
Daxun International offers comprehensive stainless steel chain supermarket services through long-standing alliances with renowned steel mills worldwide. Our inventory includes 60,000 tons of standard stainless steel and 20,000 tons of specialty metals like duplex steel, nickel-based alloys, and heat-resistant steel. Our products are reliably sourced, ensuring authenticity, and strictly adhere to all specified standards in terms of varieties, specifications, and delivery weights.
Equipped with state-of-the-art steel processing machinery, a cutting-edge physical and chemical testing center, and diverse processing lines for cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying, Daxun ensures precise and high-quality outputs.
Daxun's services span over 30 industries, including automotive, home appliances, elevators, new energy, vacuum semiconductors, food and beverage/bio-fermentation, petrochemicals, and energy equipment. In collaboration with steel mills, research institutes, and other key institutions, we deliver integrated services from project design and material development to the optimization of processing and manufacturing processes.
309SStainless 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 general steel types including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, and 316L.
Additionally, our product range features the 400 series and duplex stainless steel such as 2205, 2304, 2101, 2507, and more. We also provide high-nickel alloys like 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
Yes, we can manufacture products precisely according to your drawings, ensuring utmost satisfaction and tailored solutions.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We consistently place great emphasis on rigorous quality control from inception to completion.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can adapt the form of packaging and transportation to your specific requests.
However, please note that any additional costs incurred during this period will be borne by you.
Q5. How does your factory do regarding quality control?
Quality is our foremost concern. We always emphasize stringent quality control at every stage of our process.
Q6. How long is the delivery time?
A: Delivery typically takes 7-20 working days after payment confirmation.
For urgent orders, we expedite our processes to meet your timeline.
Q7. What is your Payment?
A: For smaller orders, we accept 100% T/T in advance or Western Union.
B: For standard orders, a 30% T/T deposit is required with the balance of 70% due before shipment.
C: For larger orders, we accept a 100% Irrevocable LC at sight.
Q8: Can you make DDQ (Deep Drawing Quality)?
A: Absolutely. Our materials are suitable for deep drawing applications including stainless steel pots, sinks, and bowls. Let us know your specific needs, and we will adjust mechanical properties accordingly.
Q9: How to get a sample?
A: We offer FREE samples for your evaluation. If only a small piece is needed, we may cover the courier cost, depending on the situation.
Q10: Which countries have you exported to?
A: We have proudly exported our stainless steel materials to countries including Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and many more.
Q11: How to visit your company?
A: Simply fly to Guangzhou Baiyun International Airport, and we will arrange to pick you up.
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