S904L is a super austenitic stainless steel with low carbon, high nickel, high molybdenum, and copper. Its "super" name stems from its alloying degree, which is far superior to that of common 316L stainless steel, resulting in a quantum leap in corrosion resistance. HT PIPE is a stainless steel 904l sheet supplier with 15+ export experience. Contact us for more information and quotes for free!
Reasons for Choosing 904L Plate
TP 904L Stainless Steel Comprehensive Corrosion Resistance
- Sulfuric Acid: In sulfuric acid solutions over a wide range of concentrations and temperatures, its performance far exceeds that of 316L, even rivaling some nickel-based alloys. The presence of copper is key to its success.
- Phosphoric Acid: It excels in handling hot, concentrated phosphoric acid.
- Organic Acids: Such as formic and acetic acid.
- Chloride Environments: Its excellent resistance to stress corrosion cracking (SCC) makes it suitable for use in seawater cooling equipment and chemical plants in coastal areas.
- Mixed Acids: In chemical production, media often consist of mixtures of multiple acids. 904L's comprehensive properties make it an excellent choice for handling complex media.
ss904l plate Mechanical and Physical Properties
It possesses the inherent high toughness, non-magnetic properties, and excellent low-temperature properties of austenitic stainless steel.
Strength and hardness exceed those of ordinary austenitic stainless steel.
alloy 904l plate fabricability
Despite its higher strength and greater tendency to work-harden, it can still be cold- and hot-formed, cut, and machined using standard equipment and processes.
Welding is excellent, allowing for TIG, MIG, and stick arc welding, with a range of compatible consumables (such as ER385/EW385). Preheating is not required before welding, and post-weld heat treatment is generally unnecessary.
Sustainable development of alloy 904l plate
stainless steel 904l Long-life design
904L stainless steel contains high proportions of nickel (23-28%), chromium (19-23%), and molybdenum (4.0-5.0%), along with an addition of copper (1.0-2.0%), resulting in excellent corrosion resistance in both reducing and oxidizing media. This alloy design significantly extends the service life of equipment in harsh environments, reducing the frequency of equipment replacement due to corrosion failure, thereby reducing resource consumption and environmental impact.
en 1.4539 Excellent Recyclability
Stainless steel 904L is a highly recyclable material, with a recycling rate exceeding 90%. Through effective recycling and remelting processes, 904L stainless steel can be recycled multiple times without sacrificing performance, significantly reducing reliance on primary mineral resources and the environmental impact of mining.
alloy UNS N08904 sheet Optimized Resource Efficiency
While the production of 904L stainless steel consumes significant amounts of energy and resources (such as iron ore, coal, and electricity), its long lifespan and maintenance-free nature significantly reduce resource consumption per unit of use throughout its lifecycle.
