Introducing 1.4335 / TP 310L NAG – The Ultimate Stainless Steel for Nitric Acid Applications
Schenk Stahl GmbH
Some like it hot…! - Manche m?gen's hei?...! Stainless steel and nickel alloy grades for special applications.
At Schenk Stahl GmbH , we specialize in high-performance stainless steels designed to withstand the most aggressive industrial environments.
Today, we introduce 1.4335 / TP 310L NAG (Nitric Acid Grade)—an optimized 25Cr-20Ni austenitic stainless steel tailored for nitric acid applications.
?? Why is 1.4335 / TP 310L NAG so resistant to Nitric Acid?
Unlike standard stainless steels such as TP 304L or TP 316L, 1.4335 - TP 310L NAG is engineered to excel in highly oxidizing environments, especially those containing high-concentration nitric acid (HNO?).
? High Chromium (Cr) Content (25-27%) – Forms a strong, stable passive layer of chromium oxide, preventing material degradation in oxidizing acid environments.
? Optimized Nickel (Ni) Content (20-22%) – Enhances acid resistance and ensures structural stability at high temperatures.
? Ultra-Low Carbon Content (<0.020%) – Prevents sensitization and intergranular corrosion, especially after welding or prolonged exposure to high temperatures.
? Strict Control of Silicon (Si) (<0.3%) – Reduces the risk of acid-induced localized attack, improving long-term stability.
? No Molybdenum (Mo) – Unlike many stainless steels, TP 310L NAG is molybdenum-free, making it highly resistant to the strong oxidizing nature of nitric acid, which can lead to rapid pitting in Mo-containing steels.
? Minimal Phosphorus & Sulfur Content – Limits the formation of impurity-induced corrosion sites, ensuring long service life in aggressive nitric acid environments.
?? Key Benefits of 1.4335 / TP 310L NAG:
? Outstanding resistance to nitric acid solutions up to 70% concentration, even at elevated temperatures
? High resistance to intergranular corrosion after welding—making it ideal for welded structures exposed to nitric acid
? Superior mechanical properties, including high impact toughness at cryogenic temperatures
? Excellent formability and weldability, enabling easy fabrication for industrial use
? Exceptional long-term performance, reducing maintenance costs in critical applications
?? Where is 1.4335 / TP 310L NAG Used?
?? Nitric acid production & storage tanks
?? Ammonium nitrate manufacturing plants
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?? Nuclear fuel reprocessing systems
?? Hydrofluoric acid pickling and cleaning plants
?? Chemical reactors & piping in high-oxidation environments
? Product Range & Availability At Schenk Stahl GmbH ,
we offer 1.4335 / TP 310L NAG in a wide range of sizes to meet your project requirements:
? Tubes – From 1.00 mm up to 508.00 mm outer diameter
? Plates – Thicknesses ranging from 1.00 mm up to 35 mm
? Round Bars – Diameters from 1.00 mm up to 300 mm
?? Need customized processing? We offer:
?? CNC machining for precision-engineered components
?? Waterjet cutting for clean and accurate shapes
?? Laser cutting for intricate and detailed parts
?? Looking for the ultimate stainless steel for nitric acid environments?
Contact Aneta Schenk today to learn how 1.4335 / TP 310L NAG can enhance the durability and efficiency of your industrial processes!
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