Advantages:1. Superior Corrosion Resistance: Resistant to sulfuric acid, seawater, chloride ions, and flue gas desulfurization, far exceeding 316L, resulting in a longer service life.
2. Low Carbon, High Purity: Weld-resistant and crack-free, suitable for high-precision equipment.
3. Versatile Applications: Suitable for chemical, nuclear power, seawater desalination, shipbuilding, pharmaceutical, and environmental protection industries.
4. Export Standard Material: Meets UNS, EN, and ASTM international standards, ensuring hassle-free customs clearance.
5. Stable Stock: Complete specifications, fast delivery, supports customized cutting, customs declaration, and commodity inspection.
chemical composition：
904L（UNS N08904）
|
Brand
|
C
|
Si
|
Mn
|
Cr
|
Ni
|
Mo
|
Cu
|
P
|
S
|
|
904L
|
≤0.02
|
≤1.00
|
≤2.00
|
19.0~23.0
|
23.0~28.0
|
4.0~5.0
|
1.0~2.0
|
≤0.045
|
≤0.035
|
|
Brand
|
Tensile strength (MPa)
|
Yield strength (MPa)
|
Elongation (%)
|
Hardness (HB)
|
|
904L
|
≥490
|
≥215
|
≥35
|
≤240
|
Solution annealing, pickling, pickling and polishing, cold drawing/grinding, forgings (as per customer requirements)
Performance and Applications904L
Performance: Low carbon, high nickel-molybdenum, high corrosion resistance, resistant to sulfuric acid/phosphoric acid/organic acids, resistant to stress corrosion, resistant to highly corrosive environments
Applications: Chemical equipment, heat exchangers, pipelines, desulfurization units, pharmaceutical equipment, nuclear power, seawater equipment, high-end fasteners
Super corrosion resistant, suitable for harsh environments such as high-end chemicals, nuclear power, seawater, and desulfurization.
