| 904L Stainless Steel Coil Specification |
ASTM A240 / ASME SA240 |
| 904L Stainless Steel Coil Manufacturing Process |
Hot Rolled (HR) / Cold Rolled (CR) |
| 904L Stainless Steel Coil Grades |
201 / 304 / 304L/ 904L / 309S / 420 / 316 / 316L / 316Ti / 317L / 321 / 321H / 347 / 347H / 904L etc. |
| UNS No. - UNS S904L, 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 |
| 904L Stainless Steel Coil Thickness |
0.6 MM TO 16 MM THICKNESS |
| 904L Stainless Steel Coil Width |
1250 MM / 1500 MM / 2000 MM / 04 Feet / 05 Feet and Custom Cut Width as Per Requirement |
| 904L Stainless Steel Coil Length |
2400 MM / 2420 MM / 6000 MM / 08 Feet / 10 Feet / Coil Cut and Custom Cut Length as Per Requirement |
| 904L 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. |
| 904L Stainless Steel Coil Coating |
PVC coating Normal / Laser, Film: 100 micrometer, Color: black/white. |
| 904L 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. |
| 904L 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 |
| 904L Stainless Steel Coil Packaging |
Loose / Carrate / Wooden Pallet / Wooden box-a / Plastic Cloth Wraps |
| 904L 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 |
| 904L 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 |
As a global leader in stainless steel coil fabrication services, Jiangsu Daxun Alloy Co., Ltd. stands at the forefront of excellence and innovation.
Type 904L is a premium high-alloy austenitic stainless steel, celebrated for its exceptional corrosion resistance. This super austenitic stainless steel, officially designated as 904L alloy (UNS N08904), thrives in various process environments, providing superior corrosion resistance. With its robust composition of high chromium, nickel, molybdenum, and copper, 904L guarantees outstanding protection against chloride stress corrosion cracking, pitting, and general corrosion, surpassing the capabilities of 316L and 317L molybdenum-reinforced stainless steels. Initially developed to endure dilute sulfuric acid conditions, 904L also resists most organic and inorganic acids, including hot phosphoric acid. Its weldability and ease of fabrication make it ideal for a multitude of applications.
At Daxun Stainless Steel, we ensure complete traceability of each stainless steel coil via our state-of-the-art ERP system, tracking type, specification, and origin to combat industry counterfeiting. We leverage cutting-edge technology for precise processing and customization, setting the benchmark for high precision and quality in the industry. Our service commitment extends to comprehensive product lifecycle management, offering expert material selection and processing solutions pre-sale, stringent monitoring during sales, and reliable post-sale service guarantees.
Quality, Delivery, and Inspection
- Daxun conducts rigorous quality assurance tests to ensure material suitability for various applications. Our tests include flattening, pitting resistance, mechanical, hardness, material positive identification, and expansion tests. These thorough assessments guarantee top-tier quality.
- Throughout production, we meticulously measure the diameter, thickness, and surface quality of our products. Standard delivery times range from 7-15 days, with special size products extending to 20 days.
We adhere strictly to contractually agreed delivery times to ensure timely fulfillment of orders.
- We welcome third-party inspections at our factory for added customer assurance.
- We offer free samples for customers to conduct their own testing and evaluation.
- Customers can opt for on-site or video factory inspections for transparency and trust.
Ordering Information
When placing purchase orders, please specify quantity, grade, type or category, API5L reference, thickness, width, length, and any relevant attachments or additional requirements such as chemical composition, mechanical properties, heat treatment, additional testing, manufacturing process, surface coating, or end finish. Contact Daxun today for a prompt response to your inquiry.
Daxun's stainless steel business began its illustrious journey in 2003. With two decades of rapid advancement, our stainless steel materials and processing operations now proudly lead the industry in China.
For over 20 years, Daxun has excelled in the international market. By 2022, our export revenue soared past US$100 million, securing our position as a top player in China's stainless steel trade and processing sector. We've established three robust export service bases across China and formed strategic alliances with engineering firms, steel mills, and global trading companies to better serve our international clientele. Our commitment to enhancing service quality, partnered with leading industry giants, continually drives our expansive reach into overseas markets.
Daxun International offers unparalleled stainless steel chain supermarket services, forged through long-standing partnerships with renowned global steel mills. We boast an impressive inventory of 60,000 tons of standard stainless steel and an additional 20,000 tons of premium metals like duplex steel, nickel-based alloys, and heat-resistant steel. Our stainless steel materials are synonymous with reliability and authenticity, meticulously adhering to specified varieties, standards, and delivery weights.
At Daxun, we host an array of advanced steel processing equipment, complemented by a state-of-the-art physical and chemical testing center. Our comprehensive processing lines include cutting, grinding, forming, beveling, welding, heat treatment, machining, and spraying, ensuring top-tier precision and quality in every product.
Our services span over 30 diverse industries such as automotive, home appliances, elevators, new energy, vacuum semiconductors, food & beverage/bio-fermentation, petrochemicals, and energy equipment. We collaborate with steel mills and research institutions to deliver integrated solutions from project design and material development to process optimization in manufacturing.
904L Stainless Steel Belt Chemical Composition
| Element |
% Present (in product form) |
| Carbon (C) |
0.02 |
| Silicon (Si) |
0.7 |
| Manganese (Mn) |
2 |
| Phosphorous (P) |
0.03 |
| Sulfur (S) |
0.01 |
| Chromium (Cr) |
19.00 - 21.00 |
| Nickel (Ni) |
24.00 - 26.00 |
| Nitrogen (N) |
0.15 |
| Molybdenum (Mo) |
4.00 - 5.00 |
| Copper (Cu) |
1.20 - 2.00 |
| Iron (Fe) |
Balance |
904L Stainless Steel Belt Mechanical Properties
| Yield Strength |
Ultimate Tensile |
Elongation |
Hardness |
| 0.2% Offset |
Strength |
in 2 in. |
| psi (min.) |
(MPa) |
psi (min.) |
(MPa) |
% (min.) |
(max.) |
| 31,000 |
220 |
71,000 |
490 |
36 |
70-90 Rockwell B |
904L Stainless Steel Belt Physical Properties
| Reference data on some physical properties |
| Density at 20°C kg/m3 |
8 |
| Thermal Conductivity W/m K at |
20°C |
12 |
| Modulus of Elasticity kN/mm2 at |
20°C |
195 |
| 200°C |
182 |
| 400°C |
166 |
| 500°C |
158 |
| Specific Thermal Capacity at 20°C J/kg K |
450 |
| Electrical Resistivity at 20°C mm2/m |
1 |
What are 904L's best qualities?
- 904L stainless steel boasts a low carbon composition, which significantly enhances its resistance to powerful acids such as sulphuric acid due to its high copper content. The significant nickel concentration in 904L ensures exceptional resistance to stress corrosion cracking. Additionally, it offers unparalleled resistance to crevice corrosion and stress corrosion cracking, common issues in other steel varieties. This makes 904L an ideal choice for a plethora of challenging environments, including warm waters and chloride exposure. It is perfectly suited for both moderate and aggressive conditions.
- 904L stainless steel delivers extraordinary heat resistance, enduring temperatures up to 400°C. Heat treatable between 1090 to 1175°C with rapid cooling, this heat treatment process is highly effective for hardening 904L steel.
- Thanks to its composition, 904L stainless steel is nonmagnetic. It also offers excellent weldability, formability, and toughness under various conditions.
- 904L steel can be welded using standard methods without the necessity for pre-heat or post-weld heat treatments.
What is 904L used for?
904L stainless steel is utilized in the construction of high-end watches due to its high purity and low sulfur content. Industrially, it is valued for several applications, including:
- Seawater cooling devices.
- Wiring in electrostatic filtration devices.
- Oil refinery components.
- Parts in gas scrubbing plants.
- Machinery for pulp and paper processing.
- Components in sulfuric, acetic, and phosphoric acid processing plants.
Fabrication Data
- Alloy 904L can be effortlessly welded and processed using standard shop fabrication practices.
Cold Forming
- 904L exhibits high ductility and is easily formable. However, the inclusion of molybdenum and nitrogen necessitates more robust processing equipment compared to standard 304/304L grades.
Hot Forming
- Hot working procedures for 904L require temperatures between 1562 to 2102°F (850-1150°C). It's generally followed by solution annealing and quenching; however, if hot forming ceases at over 2012°F (1100°C) with immediate quenching, it can be used without further heat treatment. Proper quenching of the entire workpiece from above 2012°F (1100°C) is crucial. If partial heating or cooling drops below this temperature or cooling is too slow, hot working must be followed by solution annealing and quenching. Solution annealing should be performed at 1940-2084°F (1060-1140°C).
Machining
- The cold work hardening rate of Alloy 904L is higher than that of 410 and 304 stainless steels, making it less machinable.
Welding
- Most conventional welding methods are compatible with Alloy 904L. The uniform austenitic structure of austenitic plate materials ensures an equitable distribution of alloying elements. Post-welding, elements like molybdenum, chromium, and nickel redistribute during solidification, which may reduce corrosion resistance in certain scenarios. However, in 904L, segregation is less pronounced, and it is typically welded with filler metal of the same composition as the base metal, though it can also be welded without filler metal.
- The recommended welding consumables for 904L are 20 25 CuL covered electrode and 20 25 CuL wire.
What are the applications that 904L stainless steel coils can be used for?
Thanks to its unparalleled corrosion resistance, our top-tier 904L stainless steel coils have become the material of choice for a myriad of demanding applications. Discover the versatility and reliability of our premium-grade 904L stainless steel coils in the following industries:
- Petrochemical Equipment and Reactors
- High-Performance Heat Exchangers
- Advanced Power Plant Flue Gas Desulfurization Devices
- Efficient Organic Acid Treatment Systems
- Sea Water Heat Exchangers for Marine Applications
- Durable Paper Industry Machinery
- Pharmaceutical Industry and Diverse Chemical Equipment
- Robust Pressure Vessels
- High-Quality Food Processing Equipment
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