ASTM A240 S904L plate is specially designed for harsh corrosive environments, with superior performance to ordinary stainless steel plates like 316L and 317L. Our S904L plates are produced in strict accordance with international standards, ensuring stable quality and reliable performance for your projects.
Key Specifications of S904L Plate
aisi904l material Chemical Composition
S904L plate has a strict chemical composition, with C ≤ 0.02%, Cr 19-23%, Ni 23-28%, Mo 4-5%, Cu 1-2%. The low carbon content and high alloy ratio ensure excellent corrosion resistance and weldability.
din 1.4539 Dimensions & Surface Finish
Thickness: 0.3mm - 150mm, width: 1000mm - 2500mm, length: 2000mm - 12000mm (customizable).
Surface finish: 2B, 2D, BA, polished, No.1, suitable for different industrial needs.
n 904l material Mechanical Properties
Tensile strength ≥ 490MPa, yield strength ≥ 215MPa, elongation ≥ 35%, hardness ≤ 90HRB. It has good toughness, formability and weldability, easy to process and shape.
Core Advantages of Our S904L Plate
1.4539 aisi Corrosion Resistance
- High Cr content forms a stable passivation film, resisting oxidizing media such as nitric acid.
- Ni and Cu work synergistically to resist reducing media like sulfuric acid and phosphoric acid.
- High pitting and crevice corrosion resistance in chloride environments, better than 316L stainless steel.
904l 1.4539 High Quality & Certification
- Produced by advanced hot rolling and cold rolling processes, with high flatness and surface finish (Ra ≤ 0.8μm).
- Provide material test certificates (EN 10204 3.1, 3.2) and SGS, TUV certification.
904l uns Cost-Effective & Durable
- Long service life in harsh environments, reducing replacement and maintenance costs.
- Bulk supply with competitive prices, no middlemen, saving your procurement costs.
aisi 904 l Customizable Service
Customize dimensions, surface finish and processing (cutting, bending, rolling) according to your requirements. We have sufficient stock to meet urgent needs.
Processing Technology of S904L Plate
Cutting: Plasma cutting, laser cutting, waterjet cutting, accurate size, no burrs.
Welding: Suitable for TIG, MIG, SMAW welding, no cracks after welding, stable performance.
Polishing: Professional polishing process, surface smooth, meeting high-precision industrial requirements.
Applications of S904L Plate
Chemical industry: Chemical equipment, acid storage tanks, reaction vessels.
Oil and gas industry: Offshore platforms, pipeline systems, seawater treatment equipment.
Pharmaceutical industry: Pharmaceutical equipment, clean pipelines and containers.
Marine industry: Shipbuilding, marine engineering components resistant to seawater corrosion.
Other fields: Food processing equipment, flue gas scrubbers, high-temperature resistant equipment.
