SUS904L Stainless Steel 2b Surface Sheet
Type: Steel Plate
Standards: ASTM, AISI, GB, JIS, DIN, BS
Certification: ISO, RoHS, IBR
Surface Finish: No.1, 2B, N4, 8K, 6K
Process: Hot Rolled and Cold Rolled
Stock: In Stock
Thickness: 0.1–5 mm
Width: 1000–1500 mm
Thickness Tolerance: ±5%
Transport Package: Standard Export Packaging
Specification: Customizable
Origin: China
HS Code: 7219
Wholesale SUS904L 2B Surface Sheet Supplier
GNEE is a stainless steel plate exporter with more than 18 years of extensive experience and has obtained ISO and CE certifications. We export over 2,500 tons of products annually to more than 70 countries worldwide and maintain a regular stock of 2,000 tons.
Our SUS 904L 2B surface stainless steel plates undergo cold rolling, bright annealing, and leveling treatment, achieving a surface roughness of Ra ≤ 0.8 μm. Compared with hot-rolled (No.1) plates, they are smoother and flatter, reducing media residue and making cleaning and maintenance easier. The cold rolling process ensures extremely tight thickness tolerances (usually controlled within ±0.03 mm), making them highly suitable for high-precision laser cutting and automated welding processes.
We supply SUS904L (UNS N08904 / 1.4539) stainless steel plates in strict accordance with ASTM A240/B625 and JIS G4305 standards, focusing on high-end corrosion-resistant applications. Full specifications are available, including thicknesses of 0.3–50 mm, widths of 1000–1500 mm, and lengths of 2000–6000 mm, with support for customized dimensions and slitting processing. Each batch is supplied with EN 10204 3.2 certification, original mill test certificates, and surface quality inspection reports.
Specification
Chemical Composition
The following data sheet gives SS 904L stainless steel chemical composition.
| Chemical Composition, % | |||||||||||||
| ASTM | UNS | Type | C, ≤ | Si, ≤ | Mn, ≤ | P, ≤ | S, ≤ | Cr | Ni | Mo | N, ≤ | Cu | Notes (Product) |
| ASTM A240/A240M | UNS S08904 | 904L | 0.02 | 1.00 | 2.00 | 0.045 | 0.030 | 19.0-23.0 | 23.0-28.0 | 4.0-5.0 | 0.10 | 1.0-2.0 | Plate, Sheet, and Strip |
Mechanical Properties
The following table lists 904L stainless steel (SS904L) mechanical properties such as yield strength, tensile strength, elongation and hardness.
| ASTM | AISI Type | Tensile Strength, MPa (ksi), ≥ | 0.2% Yield Strength, MPa (ksi), ≥ | Elongation in 50 mm (2 in.), %, ≥ | Hardness (HRBW), ≤ | Product forms | Conditions |
| ASTM A240/A240M | 904L (UNS N08904) | 490 (71) | 220 (31) | 35 | 90 | Plate, Sheet, and Strip |
SUS904L Stainless Steel Sheet Price Per Kg
The price of SUS904L stainless steel plate typically ranges from $10 to $40 per kilogram; the specific price is significantly influenced by factors such as plate thickness, surface finish, and origin. Specifically, high-quality cold-rolled plates are generally priced between $25 and $40 per kilogram, while hot-rolled plates range from $20 to $32 per kilogram. Occasionally, lower price ranges (between $1 and $10 per kilogram) may be observed; these rates typically apply to large-volume orders.
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Applications
Some of the major applications of grade 904L stainless steels include:
Wiring in electrostatic precipitators
Oil refinery components
Seawater cooling devices
Gas scrubbing plants
Pulp and paper processing industries
Acetic, phosphoric and sulphuric acid processing plants
904L Stainless Steel 2B Surface Sheet Production Process
904L vs 316L: Which is better for sulfuric acid?
904L stainless steel plates contain 1.0–2.0% copper (Cu), which provides excellent resistance to reducing acids such as sulfuric acid, phosphoric acid, and acetic acid. Compared with 316L stainless steel plates, their service life is more than 6 times longer, while maintenance costs are reduced by 70%.
Our Export Case
Application: Centrifuge housings and pharmaceutical storage tanks.
Challenge: The pharmaceutical process involves high-concentration chloride cleaning agents, which place extremely high demands on the material's pitting corrosion resistance (PREN value) and surface finish quality. The customer required consistent surface Ra values throughout the plates.
GNEE Solution:
Supplied SUS904L 2B cold-rolled plates with precision leveling treatment and equipped them with 100 μm imported protective film.
Result:
The 2B surface reduced the risk of bacterial adhesion, while 904L provided excellent resistance to frequent chemical cleaning.
Customer Feedback:
"We compared several suppliers, and GNEE's 904L 2B surface quality was the most consistent. The plate edges were neat and free from waviness, which was highly beneficial for our automated welding process. The material certificate (EN 10204 3.1) was extremely detailed and fully met the traceability audit requirements of our industry."
- Stefan K., Technical Director
Packaging
Surface Protection: Double-sided thick, high-adhesion laser protective film or blue film to prevent physical damage to the polished surface.
Interlayer Buffering: Acid-free paper or pearl cotton is used to separate the boards.
Outer Packaging: Reinforced fumigated wooden crates or steel pallets are used. The interior of the wooden crate is fully sealed for waterproofing and moisture protection to prevent 904L from being corroded by moisture during ocean transport.
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