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As an ultra-low carbon and nitrogen strengthened austenitic stainless steel, S310MoLN achieves an excellent balance between corrosion resistance, high temperature strength and processing performance through precise chemical composition design (24-26% chromium, 19-22% nickel, 2.5-3.5% molybdenum and 0.1-0.25% nitrogen), becoming a key material for upgrading environmental protection energy equipment.
stainless steel 310moln in Flue gas desulfurization (FGD) system
- Absorber spray layer structure: In a slurry environment with large pH fluctuations and high solid content, S310MoLN significantly extends the life of the equipment by virtue of the rapid repair characteristics of the passivation film.
- Wet chimney lining and guide plate: In a saturated wet flue gas environment of 60-80℃, the corrosion resistance of S310MoLN to condensed acid is more than 3 times higher than that of conventional 316L stainless steel.
- Flue gas heat exchanger elements: When working in an area below the acid dew point temperature, its resistance to dilute sulfuric acid corrosion ensures the long-term sealing and heat transfer efficiency of the equipment.
stainless steel S31050 in Industrial wastewater treatment equipment
- MVR evaporator shell and guide tube: In the high-temperature concentration process, the ability to resist chloride stress corrosion cracking (Cl-SCC) is much better than 304/316 series stainless steel.
- Advanced oxidation reactor: It can withstand the corrosion of strong oxidizing media such as ozone and hydrogen peroxide. Its high chromium content (Cr≥24%) promotes the formation of chromium-rich passivation film on the surface.
- Seawater desalination high-pressure pipeline: In the concentrated brine system of reverse osmosis (RO), the pitting resistance index PREN=Cr%+3.3Mo%+16N% can reach more than 42.
s31050 steel plate in Solid waste treatment and resource equipment
- Lining of the second combustion chamber of the incinerator: It works continuously in the 900-1100℃ range, and a stable (Cr,Fe)₂O₃ protective layer is formed on the surface, and the anti-oxidation and peeling performance is better than 310S stainless steel.
- Pyrolysis gas quenching tower: Tolerant to acidic steam condensate containing HCl and SO₂, its low silicon (Si≤0.5%) content reduces the tendency of silicate scaling.
- Fly ash stabilization equipment: Resistant to grain boundary erosion of heavy metal ions (such as Pb²⁺, Cd²⁺) in cement additives, ensuring the long-term integrity of equipment in alkaline slurry.
Traditional thermal power key equipment
- Supercritical boiler superheater tube screen: In a steam environment above 600℃, the high temperature strength is 1.5 times that of conventional 304H stainless steel, greatly reducing creep deformation.
- Flue gas waste heat recovery device: In the ash-containing flue gas flow, its high wear resistance reduces wall thickness and maintains heat exchange efficiency.
- Steam turbine extraction pipeline: Resistant to oxygen-containing weak acid corrosion formed by steam condensation during shutdown, extending the service life of the pipeline.
ss310moln in New energy and clean conversion system
- Biomass gasification unit: Resistant to molten alkali salt corrosion (such as K₂CO₃) during straw gasification, with a corrosion rate of only 0.08mm/year at 700℃.
- Waste power plant superheater: Resistant to chlorine-alkali cycle corrosion in incineration flue gas, reducing the risk of pipe burst caused by high-temperature chlorine corrosion.
- Coal chemical synthesis gas scrubber: In the Texaco gasification process, it ensures the structural stability of the dust-containing synthesis gas quenching system.
s310moln Petrochemical environmental protection equipment
- Hydroprocessing unit: Resistant to the cyclohexane acid-hydrogen sulfide composite corrosion generated in the processing of high-sulfur crude oil.
- Wet flue gas denitrification reactor: In the tail gas treatment of the catalytic cracking (FCC) unit, it tolerates the corrosion of ammonium nitrate salt deposits.
- Acidic water stripping unit: In the H₂S-NH₃-H₂O medium environment, the resistance to sulfide stress cracking (SSC) performance meets the NACE MR0175 standard.
S310moln Plate manufacturer, supplier
HT PIPE is a leading stockist and global exporter with over 15 years of expertise in international trade. We supply pipes, 310moln stainless steel plates, round bars, and a comprehensive range of pipe fittings, flanges, and valves. Contact us now for free quotes and personalized product information.
