| 2205/S32205 Stainless Steel Coil Specification |
ASTM A240 / ASME SA240 |
| 2205/S32205 Stainless Steel Coil Manufacturing Process |
Hot Rolled (HR) / Cold Rolled (CR) |
| 2205/S32205 Stainless Steel Coil Grades |
201 / 304 / 304L/ 2205/S32205 / 309S / 420 / 316 / 316L / 316Ti / 317L / 321 / 321H / 347 / 347H / 904L etc. |
| UNS No. - UNS S2205/S32205, UNS S31008, UNS S31600, UNS S31603, UNS S31603, UNS S31600, UNS S31703, UNS S32100, UNS S34700, UNS S34709, UNS S8904 |
| EN No. 1.4845, 1.4401, 1.4404, 1.4571, 1.4438, 1.4541, 1.4550, 1.4551, 1.4539 |
| 2205/S32205 Stainless Steel Coil Thickness |
0.6 MM TO 16 MM THICKNESS |
| 2205/S32205 Stainless Steel Coil Width |
1250 MM / 1500 MM / 2000 MM / 04 Feet / 05 Feet and Custom Cut Width as Per Requirement |
| 2205/S32205 Stainless Steel Coil Length |
2400 MM / 2420 MM / 6000 MM / 08 Feet / 10 Feet / Coil Cut and Custom Cut Length as Per Requirement |
| 2205/S32205 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. |
| 2205/S32205 Stainless Steel Coil Coating |
PVC coating Normal / Laser, Film: 100 micrometer, Color: black/white. |
| 2205/S32205 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. |
| 2205/S32205 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 |
| 2205/S32205 Stainless Steel Coil Packaging |
Loose / Carrate / Wooden Pallet / Wooden box-a / Plastic Cloth Wraps |
| 2205/S32205 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 |
| 2205/S32205 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 |
Global leader in premium stainless steel coil sheet fabrication services
Daxun proudly manufactures superior stainless steel coils, specifically Alloy 2205, in a versatile range of forms and sizes. Our Alloy 2205 meets stringent industry standards set by esteemed organizations such as ASTM, ASME, ISO, UNS, and EN. This duplex (austenitic/ferritic) stainless steel surpasses 304 and 316 grades in performance and corrosion resistance. The unique dispersed austenitic/ferritic microstructure, combined with specialized alloying elements, ensures exceptional resistance to stress corrosion cracking, pitting, and ***-induced crevice corrosion. With reliable oxidation resistance up to 980°C, Alloy 2205 is ideal for various applications, although it becomes brittle at temperatures between 300°C and 1000°C when exposed for prolonged periods.
At Daxun Stainless Steel, we ensure full traceability of each stainless steel coil through our advanced ERP system, detailing type, specification, and origin. We actively advocate for industry anti-counterfeiting measures. Our technological edge in processing and customization allows us to set industry benchmarks in precision and quality. We offer comprehensive product life cycle management, providing expert material selection and processing solutions pre-sale, rigorous monitoring during sales, and reliable service guarantees post-sale.
Quality Assurance, Timely Delivery, Thorough Inspection
- Daxun conducts an array of rigorous quality assurance tests, including flattening, pitting resistance, mechanical strength, hardness, material positive identification, and expansion tests. These assessments ensure that our materials meet the highest standards for their intended applications.
- During production, we meticulously measure the diameter, thickness, and surface quality of each product. Our standard delivery timeline is 7-15 days, extending to 20 days for special sizes.
Our delivery schedule adheres strictly to contractual agreements.
- We support inspections by third-party agencies at our factory.
- We offer free sample testing for our customers.
- We facilitate on-site or video factory inspections.
Ordering Information
Purchase orders should specify quantity, grade, type or category, API5L reference, thickness, width, length, and any specific requirements regarding chemical composition, mechanical properties, heat treatment, additional testing, manufacturing process, surface coating, or end finishing. Contact Daxun now for a prompt response to your email inquiries.
Daxun's stainless steel journey ignited in 2003, and over the last two decades, it has ascended to the zenith of China's stainless steel industry. Through rapid advancements, Daxun's stainless steel materials and processing services have consistently set industry benchmarks.
For over 20 years, Daxun has excelled in overseas ventures. By 2022, it amassed export revenues exceeding US$100 million, positioning itself among the elite stainless steel trade and processing companies in China. With three strategic export service bases and collaborations with engineering firms, steel mills, and international traders, Daxun is a formidable force in global markets. We continually enhance our service capabilities, establishing robust infrastructures to serve and expand in overseas territories.
Daxun International offers comprehensive stainless steel chain supermarket services, backed by enduring partnerships with leading global steel mills. Our inventory boasts 60,000 tons of standard stainless steel and 20,000 tons of specialized metals like duplex steel, nickel-based alloys, and heat-resistant steel. Renowned for reliability and authenticity, Daxun International ensures all materials strictly adhere to specified standards in variety, specifications, and delivery weights.
Equipped with a suite of advanced steel processing machinery, Daxun also houses a state-of-the-art physical and chemical testing center. Our processing repertoire includes cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying, ensuring precision and quality at every step.
Serving over 30 industries such as automotive, home appliances, elevators, new energy, vacuum semiconductors, food and beverage/bio-fermentation, and petrochemicals, Daxun offers a holistic service experience. By collaborating with steel mills, research institutes, and other entities, we deliver integrated solutions from project design and material development to processing and manufacturing process optimization.
22052205 Stainless Steel Coil Chemical Composition
| 2205/S32205S31803 ASTM A240: |
|
| |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
Mo |
N |
Fe |
| MIN |
- |
- |
- |
- |
- |
22 |
4.5 |
3 |
0.14 |
BAL |
| MAX |
0.03 |
2 |
0.03 |
0.02 |
1 |
23 |
6.5 |
3.5 |
0.2 |
- |
2205 Stainless Steel Coil Mechanical Properties
| Typical Mechanical Properties |
| Condition |
Tensile Strength Min (UTS) |
0.2% YS Min |
Elongation% in 2" Min(50.8 mm) |
HardnessRockwell |
| Annealed |
120-150 ksi (825-1035 MPa) |
95-125 ksi (655-860 MPa) |
25% |
30 HRC |
2205 Stainless Steel Coil Physical Properties
| Physical Properties |
| |
At 70°F |
At 20°C |
| Density |
0.284 lb./in³ |
7.86 g/cm³ |
| Modulus of Elasticity (E) |
29.0 x 10³ksi |
200 GPa |
| Coefficient of Expansion |
11.1 x 10microinches/in.-°F(70-2000°F) |
14.0 μm/m-°C (0-300°C) |
| Electrical Resistivity |
33.5 μ ohm.in |
85.1 μ ohm.cm |
| Thermal Conductivity |
104 Btu-in./ft.²hr.-°F |
15.0 W/m-K |
INHERENT PROPERTIES
Duplex 2205 is an advanced two-phase, ferritic-austenitic stainless steel enriched with 22% chromium, 3% molybdenum, and 5-6% nickel. As the most widely utilized duplex stainless steel grade, it boasts a yield strength twice that of conventional austenitic grades. Moreover, it offers unparalleled fatigue strength and superb resistance to stress corrosion cracking, crevice, pitting, erosion, and general corrosion, even in the most demanding environments.
VERSATILE APPLICATIONS
- Chemical processing, transport, and storage - pressure vessels, tanks, piping, and heat exchangers
- Oil and gas exploration and processing equipment - piping, tubing, and heat exchangers
- Marine environments and other high-chloride settings
- Effluent scrubbing systems
- Pulp and paper industry - digesters, bleaching equipment, and stock-handling systems
- Cargo tanks for ships and trucks
- Food processing equipment
- Biofuels plants
INTERNATIONAL STANDARDS
- ASTM/ASME: A240 UNS S32205/S31803
- EURONORM: 1.4462 X2CrNiMoN 22.5.3
- AFNOR: Z3 CrNi 22.05 AZ
- DIN: W.Nr 1.4462
UNPARALLELED CORROSION RESISTANCE
- Thanks to its elevated chromium, molybdenum, and nitrogen contents, Duplex 2205 exhibits extraordinary corrosion resistance, surpassing 316 and 316L in most environments.
- These elements also afford it exceptional resistance to pitting and crevice corrosion, even in rigorous oxidizing and acidic conditions.
- It withstands chloride stress corrosion cracking and temperatures up to approximately 302°F (150°C).
- The ferrite phase ensures optimal performance in caustic environments.
HEAT RESISTANCE
- Like other duplex stainless steels, Duplex 2205 delivers robust oxidation resistance at elevated temperatures.
- However, it is prone to embrittlement at temperatures exceeding 572°F (300°C) even with brief exposure; thus, it is not recommended for use above 572°F (300°C).
WELDING CHARACTERISTICS
- Exhibits excellent weldability.
- Should generally be welded with filler metal to prevent excessive ferrite formation.
HEAT TREATMENT
- The annealing temperature range is 1868 to 2012°F (1020 to 1100°C).
- Cannot be hardened by heat treatment, though Duplex 2205 work-hardens effectively.
- Special care is required to address its higher coefficient of thermal expansion and avoid warping and distortion.
PROCESSING - HOT FORMING
- Leading producers of Duplex 2205 recommend a maximum hot forming temperature between 2010 and 2100°F (1100 to 1150°C). If the workpiece shape is not compact, edges may cool significantly faster than the bulk, risking cracking in these cooler regions.
PROCESSING - COLD FORMING
- Duplex 2205 demonstrates excellent formability across various fabrication processes. However, its high strength can present challenges, necessitating equipment with sufficient power and consideration for increased spring-back due to the material's robust nature.
MACHINABILITY
Processing Duplex 2205 is slightly more challenging than working with 300 series austenitic stainless steels. The requirement for higher cutting forces accelerates tool wear. Key machining guidelines include: A) Utilizing powerful, rigid machines with robust mounting for tools and workpieces, B) Minimizing vibration by shortening tool extension, C) Incorporating a minimal nose radius on the tool for sharp-edged carbides while maintaining strength, and D) Designing machining sequences to ensure cutting depth remains below the work-hardened layer of previous passes.
Features of 2205 Stainless Steel Coils
- Type 2205 is a duplex (austenitic/ferritic) stainless steel enriched with chromium, molybdenum, and nitrogen, enhancing its performance and corrosion resistance compared to 304 and 316 stainless steels. The alloy's austenite/ferrite microstructure, combined with these additives, provides resistance to stress corrosion cracking, pitting, and ***-induced crevice corrosion. Alloy 2205 offers acceptable oxidation resistance up to 980°C but may become brittle with prolonged exposure to temperatures between 300°C and 1000°C. This stainless steel type is suitable for various applications, available in strip, coil, and sheet forms.
What are the commonly used surfaces of stainless steel coils?
The surface finish of 201 stainless steel coils can vary based on cold rolling processing methods and post-rolling treatments. Common surface treatments include NO.1, 2B, 4, HL, 6, 8, BA, TR hard, heavy rolling bright 2H, polished bright, among others:
- NO.1: This is the surface achieved after hot rolling, heat treatment, and pickling to remove black oxide scales formed during these processes. NO.1 has a silvery white, matte appearance and is typically used in industries requiring heat and corrosion resistance but not high surface gloss, such as the alcohol, chemical industries, and large container manufacturing.
- 2B: Different from the 2D surface, the 2B finish is achieved by a light roller, giving it a brighter appearance. The surface roughness Ra value ranges from 0.1 to 0.5μm, making it adaptable for most processing applications. This finish is ideal for the chemical, papermaking, petroleum, medical industries, and architectural projects like building curtain walls.
- TR Hard Surface: Known also as hard steel, TR stainless steel includes grades like 304 and 301, used in applications requiring high strength and hardness, such as railway vehicles, conveyor belts, springs, and washers. The hardening characteristics of austenitic stainless steel are utilized through cold working processes like rolling. The TR hard surface, which replaces the smoother 2B base, is achieved by light rolling without subsequent annealing, resulting in a hardened finish.
- Re-rolled Bright 2H: After the rolling operation, the stainless steel strip will undergo bright annealing, a process that ensures a pristine finish. Utilizing a continuous annealing line allows for rapid cooling of the strip as it moves at a speed of 60-80m/min. This meticulous procedure results in a 2H re-rolled bright surface, enhancing both the durability and visual appeal.
- No. 4: The No. 4 surface offers superior polishing, delivering a shine that surpasses No. 3. Achieved by polishing a cold-rolled stainless steel plate with a 2D or 2B surface and then refining with a 150-180# grit sanding belt, the surface roughness (Ra) measures between 0.2 and 1.5μm. Widely employed in the culinary, medical, architectural, and container industries, the No. 4 finish is a testament to quality and versatility.
- HL: The HL (hairline) surface finish, defined by the Japanese JIS standard, features a continuous abrasive texture created with a 150-240# grit belt. While the Chinese GB3280 standard lacks specific guidelines, the HL finish is popular in architectural decoration, including elevators, escalators, and exterior building facades, offering a sophisticated and enduring aesthetic.
- No. 6: Building upon the No. 4 surface, the No. 6 finish undergoes additional polishing using a Tampico brush or W63 grit material per GB2477 standards. This results in a surface with a refined metallic luster, soft reflection, and a non-imaging quality. Ideal for curtain walls, tassel decorations, and kitchenware, the No. 6 finish combines beauty with functionality.
- BA: BA is a surface treated through bright annealing after cold rolling. Conducted in a protective atmosphere to prevent oxidation, the bright annealing process retains the gloss of the cold-rolled surface. Further polished with high-precision smooth rollers, the BA finish achieves a surface roughness of 0.05-0.1μm, closely resembling a mirror. Applications span food utensils, household appliances, medical instruments, automotive parts, and decorative items.
- No. 8: Known for its mirror-like maximum reflectivity and absence of abrasive particles, the No. 8 finish is also referred to as 8K in the stainless steel industry. Often stemming from BA material, it requires minimal polishing to achieve a stunning mirror effect, making it a preferred choice for building entrances and interior décor.
Q1: What products can you offer?
A: We offer a wide array of steel types, including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L 300 series, as well as 400 series. Additionally, our duplex stainless steel options include 2205, 2304, 2101, 2507, and high-nickel alloys like 904L, 800H, and 600H.
400 series, and duplex stainless steel like 2205, 2304, 2101, 2507, etc. 904L, 800H, 600H high-nickel alloy.
Q2. Can you produce the products according to my own drawings?
Absolutely, we can manufacture products to your exact specifications, ensuring they meet your highest expectations.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We emphasize stringent quality control measures from the initial stages through to the final product to ensure superior standards are consistently met.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can adapt the packaging and transportation methods to your requirements,
though any additional costs incurred during this process will be your responsibility.
Q5. How does your factory manage quality control?
Quality is our utmost priority. We meticulously oversee every aspect of quality control from the inception of production to the final stages. Our dedicated team ensures that every product meets the highest standards.
Q6. What is the expected delivery time?
A: Typically, our delivery time ranges from 7 to 20 working days after payment confirmation.
For urgent orders, we expedite the production process to deliver ahead of schedule.
Q7. What are your Payment terms?
A: 100% T/T 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: Do you offer DDQ (Deep Drawing Quality) materials?
A: Yes, we do. Our materials are suitable for producing stainless steel pots, sinks, bowls, and more. Provide us with your specific application, and we will tailor the mechanical properties to meet your requirements.
Q9: How can I obtain a sample?
A: We offer FREE samples for your evaluation and testing. For small piece requests, we might cover the courier cost, depending on the circumstance.
Q10: Which countries have you exported to?
A: To date, we have exported our stainless steel materials to Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and many more.
Q11: How can I visit your company?
A: Fly to Guangzhou Baiyun International Airport, and we will arrange for you to be picked up.
Audited Supplier 
){kind=link}