Contents


AISI 316 (SUS 316) Grade Stainless Steel

Stainless steel types 1.4401 is known as grades 316 respectively. Grade 316 is an austenitic grade second only to 304 in commercial importance. 316 stainless steel contains an addition of molybdenum that gives it improved corrosion resistance. This is particularly apparent for pitting and crevice corrosion in chloride environments.

Chemical and physical properties

Grade 316 has excellent corrosion resistance when exposed to a range of corrosive environments and media. It is usually regarded as “marine grade” stainless steel but is not resistant to warm sea water. Warm chloride environments can cause pitting and crevice corrosion. Grade 316 is also subject to stress corrosion cracking above around 60°C. 316 has good resistance to oxidation in intermittent service to 870°C and in continuous service to 925°C. However, continuous use at 425-860°C is not recommended if corrosion resistance in water is required.


Chemical resistance chart

How to use this chart

» Meaning of symbol: 
OK: Recommended. △: Must confirm if usable by testing in advanced. X: Not recommended.
» This chart only provides the result of a single chemical to material, if a client uses more than one kind of chemical at the same time, please choose material by experience.
» This chart is for reference only which is not applicable to all working environments. Please refer to design equipment according to practical experience.

 

Category Name AISI316
Organic acids
Acetic acid OK
Acetic acid, glacial N/A
Acetic anhydride OK
Citric acid N/A
Organic compound Acetaldehyde OK
Acetone OK
Methyl alcohol OK
Aniline OK
Benzaldehyde OK
Benzene N/A
Benzyl alcohol N/A
Benzyl chloride N/A
Corn oil N/A
Ethanol OK
Ethylene glycol OK
Fatty acid N/A
Formaldehyde OK
Formic acid OK
Hexane N/A
Lactic acid OK
Methanol OK
Paraffin oil N/A
Petroleum N/A
Phenol OK
Propane, liq OK
Propanol OK
Stearic acid N/A
Tannic acid N/A
Tartaric acid N/A
Toluene OK
Urea N/A
Inorganic compound Ammonia OK
Ammonium chloride N/A
Ammonium hydroxide N/A
Ammonium nitrate N/A
Ammonium sulfate N/A
Aqua regia N/A
Barium chloride OK
Barium hydroxide OK
Brine N/A
Calcium Chloride OK
Calcium hydroxide N/A
Carbonic acid N/A
Chloric acid N/A
Chlorine OK (wet)
Detergent OK
Hydrobromic acid △ (50%)
Hydrochloric acid N/A
Hydrofluoric acid N/A
Hydrogen peroxide OK (30%)
Nitric acid OK (10%)
OK (concentrated)
Phosphoric acid OK (10%)
OK (concentrated)
Potassium hydroxide OK (50%)
Potassium nitrate OK
Potassium sulfate OK
Sodium carbonate OK
Sodium hydroxide OK
硝酸鈉
Sulfuric acid OK (concentrated)
Sulfur dioxide OK (liquid)

Reference

  1. ^ AISI316 - wikipedia
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Bobby Brown    2023-8-8
Bobby Brown    2023-8-8
Bobby Brown    2023-8-8

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