Common Name for Chemical and Selection of Stainless Steel By yaang.com

DataTime:[2015-5-29]

The 'appropriate grades' notes are taken from the Avesta Sheffield Corrosion Handbook and are shown for general guidance only. Specific grade selection should be rechecked with corrosion tables. A link to the SST ORG web site article that describes where to find the corrosion tables on the Stainless steel tube corrosion can be found in the Related Links section of this article.

The table is referenced by the common name.
Common Chemical Names

Common name	Chemical name	Formula	Grade selection
alum	potassium aluminiumsulphate	KAl(SO4)2	304 or 316 useful at all concentrations, up to 50C
aqua fortis	nitric acid	HNO3	Selection of stainless steels for handling nitric acid (HNO3)
aqua regia	nitric and hydrochloric acid mixture	HNO3 and HCl	Likely to attack most stainless steel, This mixture is used for dissolving gold.
bleach	sodium hypochlorite	NaOCl	Selection of stainless steels for handling sodium hypochlorite (NaOCl) - Bleach
caustic potash	potassium hydroxide	KOH	similar selection as for sodium hydroxide
caustic soda	sodium hydroxide	NaOH	Selection of stainless steels for handling sodium hydroxide (NaOH)
chromic acid	chromium trioxide	CrO3	304 or 316 useful up to 40%, 20C
ethanol (alcohol)	ethyl alcohol	C2H5OH	304 or 316 useful at all concentrations, up to boiling point
glycol	ethylene glycol (anti-freeze preparations)	C2H4(OH)2	304 or 316 useful at all concentrations at ambient (or lower) temperatures
gypsum	calcium sulphate	CaSO4	304 or 316 useful at all concentrations, up to boiling point
Javelle (javel) water	sodium hypochlorite	NaOCl	Selection of stainless steels for handling sodium hypochlorite (NaOCl) - Bleach
Labarraque's solution	sodium hypochlorite	NaOCl	Selection of stainless steels for handling sodium hypochlorite (NaOCl) - Bleach
marine acid	hydrochloric acid	HCl	Selection of stainless steels for handling hydrochloric acid (HCl)
methanol (alcohol)	methyl alcohol	CH3OH	304 or 316 useful at all concentrations, up to boiling point
muriatic acid	hydrochloric acid	HCl	Selection of stainless steels for handling hydrochloric acid (HCl)
oil of vitriol	sulphuric acid	H2SO4	Selection of stainless steels for handling sulphuric acid (H2SO4)
oleum	concentated sulphuric acid	H2SO4	Selection of stainless steels for handling sulphuric acid (H2SO4)
rock salt	sodium chloride	NaCl	Crevice and pitting corrosionhazard with most stainless steels, depending on conditions
salt acid	hydrochloric acid	HCl	Selection of stainless steels for handling hydrochloric acid (HCl)
spirit of salt	hydrochloric acid	HCl	Selection of stainless steels for handling hydrochloric acid (HCl)
sulphurated hydrogen	hydrogen sulphide	H2S	Can be a pitting or stress corrosion cracking hazard to non-molybedum alloyed stainless grades
wood acid	acetic acid (mainly)	CH3COOH	Selection of stainless steels for handling acetic acid (CH3COOH)

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