Pub 106 Corrosion Resistance of Copper and Copper Alloys

Corrosion Resistance of Copper and Copper AlloysCDA Publication No 106(Data supplied by Copper Development Association for publication elsewhere as part of a table covering a wide range of materials)An R indicates that the material is resistant to the named chemical up to the temperature shown, subject to limitations indicated by thefootnotes. An 'X' indicates that the material is not recommended.Aluminium Bronze Brass (a) CopperCopper-Nickel90/10 alloys (b)Gunmetal and Bronze (c)Temperature,Celsius20° 60° 100° 20° 60° 100° 20° 60° 100° 20° 60° 100° 20° 60° 100°Acetaldehyde R R R R R R R R R R R R R R RAcetic acid R R R X X X R R R R R R R R R(10%)Acetic acid(glac./anh.)R R R X X X R R R R R X R R RAceticR R R X X X R R R R R R R R XanhydrideAceto-acetic R R R R(82) X X R R R R R R R R ResterAcetone R R R R R R R R R R R R R R ROther ketones R R R R R R R R R R R R R R RAcetonitrile R(36) X X X X X R(36) X X R(36) X X R(36) X XAcetylene X X X R R R(82) X X X X X X X X XAcetyl salicylicacidR R R NodataNodataNodataR(36) X X R R R R R RAcid fumes R(2) R(2) R(2) X X X R(2) R(2) R(2) R(2) R(2) R(2) X X XAlcoholsR R R R R R R R R R R R R R R(mostly fatty)Aliphatic esters R R R R R R R R R R R R R R RAlkyl chlorides No No No X X X R R R R R R R R Rdata data dataAlum R R R X X X R R R R R R R R RAluminium R (20) R(20) X X X X R R R R R X R R RchlorideAluminiumsulphateAmmonia,anhydrousAmmonia,aqueousAmmoniumchlorideR R R R R X R(119) R(20, R(20, R R R R(119) R(119) R(119)(119) (119)119) 119)R R R X X X R R R(83) R R R R R RX X X X X X X X X X X X X X XX X X X X X X X X X X X X X XAmyl acetate R R R X X X R R R R R R R R RAniline X X X X X X X X X X X X X X XAntimonytrichlorideNodataNodataNodataX X X NodataNodataNodataNodataNodataNodataR X XAqua regia X X X X X X X X X X X X X X XAromatic R R R R R R R R R R R R R R RsolventsAscorbic acid X X X X X X X X X X X X X X XBeer R R R R R R R R R R R R R R RBenzaldehyde R R R NodataNodataNodataR R R R R R R R RBenzene, pure R R R R R R R R R R R R R R RBenzoic acid R R R R R R X X X R R R X X XBenzoylperoxideNodataNodataNodataNodataNodataNodataNodataBoric acid R R R R R R R R R R R R R R RBrines,R R R X X X R R R(20) R R R R R XsaturatedBromide (K)solutionNodataR R R X X X R R X R R R R R XBromine R(20) X X X X X X X X R(11) R(11) R(11) X X XBromine liquid,tech.Bromine water,sat.aq.R X X R X X R X X R X X R X XR X X R X X X X X X X X X X XButyl acetate R R R R R R R R R R R R R R RNodataNodataNodataNodataNodataNodataNodata

Aluminium Bronze Brass (a) CopperCopper-Nickel90/10 alloys (b)Gunmetal and Bronze (c)Temperature,Celsius20° 60° 100° 20° 60° 100° 20° 60° 100° 20° 60° 100° 20° 60° 100°CalciumR R R X X X R R R R R R R R RchlorideCarbonR X X R R R R R R R R X R R RdisulphateCarbonic acid R R R X X X X X X R R R X X XCarbontetrachlorideR R R R R R R R R R R R R R RCaustic soda &potashR X X X X X R R R R R X R R RCellulose paint R R R R R R R R R R R R R R RChlorates of Na, R R R X X X R R R R R X R R RK, BaChlorine, dry R R R R R R R R R R R R R R RChlorine, wet X X X X X X X X X X X X X X XChlorides of Na,K, MgR R R X X X R R R(20) R R R R R RChloroaceticacidsNodataNodataNodataChlorobenzene R R R NodataX X X NodataNodataNodataNodataNodataNodataNodataNodataNodataNodataNodataNodataNodataR R R R R RChloroform R R R R R R R R R R R R R R RChlorosulphonic R(20) R(20) X No No No X X X R R R X X Xaciddata data dataChromic acid(80%)X X X X X X X X X X X X X X XCitric acid R R R X X X R R R R R R R R RCopper salts R R R X X X X X X R X X R R R(most)Cresylic acids(50%)R R R X X X R R R R R X R R RCyclohexane R R R R R R R R R R R R R R RDetergents, No No No R R R R R R R R R R R Rsynthetic data data dataEmulsifiers (allconc.)R R R NodataNodataNodataR R R R R R NodataEsters R R R R R R R R R R R R R R REther R R R R R R R R R R R R R R RFatty acids R R R X X X R R R R R R R R R(>C6)Ferric chloride X X X X X X X X X X X X X X XFerroussulphateR(20) R(20) R(20) X X X X X X R X X X X XFluorinatedrefrigerantsR R R R R R R R R R R R R R RFluorine, dry R R R(11) X X X R R R R R R R R RFluorine, wet X X X X X X X X X X X X X X XFluorosilic acid X X X X X X X X X X X X X X XFormaldehyde(40%)R R R R X X R R R R R R R R RFormic acid R R R NodataNodataNodataNodataR R R R R R R R RFruit juices R R R X X X R R R R R R R R RGelatine R R R R R R R R R R R R R R RGlycerine R R R R R R R R R R R R R R RGlycols R R R R R R R R R R R R R R RGlycol, ethylene R X X R X X R R R R(175)R(175)R(175)R R RGlycollic acid R(36) X X R(36) X X R(36) X X R(36) X X R(36) X XHexamethylenediamineX X X X X X X X X X X X X X XHexamine X X X X X X X X X X X X X X XHydrazine X X X X X X X X X X X X X X XHydrobromicacid (50%)X X X X X X X X X X X X X X XHydrochloricacid (10%)Hydrochloricacid (conc.)HydrocyanicacidR X X X X X X X X R X X X X XR(62) X X X X X X X X X X X X X XR(20) R(20) R(20) X X X X X X X X X X X XNodataNodata

Aluminium Bronze Brass (a) CopperCopper-Nickel90/10 alloys (b)Gunmetal and Bronze (c)Temperature,CelciusHydrofluoricacid (40%)Hydrofluoricacid (75%)Hydrogenperoxide (30%)Hydrogenperoxide (30-90%)Hydrogensulphide20° 60° 100° 20° 60° 100° 20° 60° 100° 20° 60° 100° 20° 60° 100°R(62) X X X X X X X X X X X X X XR(62) X X X X X X X X X X X X X XX X X X X X X X X R X X X X XX X X X X X X X X X X X X X XR(11) R R R(11) R R R(11) R R R(11) R(11) R(11) R(11) R RHypochlorites R X X X X X X X X X X X X X XHypochlorite X X X X X X X X X No No No R R R(Na 12-14%)data data dataIso-butylacetateLactic acid(90%)Lead acetateR R R R R R R R R R R R R R RR R X X X X R R X R R X R(4) R(4) XNodataNodataNodataX X X X X X R R X X X XLeadX X X X X X X X X X X X X X XperchlorateLime (CaO) R R R R R R R R R R R R R R RMaleic acid NodataNodataNodataNodataNodataNodataR R R R R X NodataNodataNodataManganate, pot(K)R X X R X X R(60) R(60) X X X X R(60) R(60) XMeat juices R R R X X X X X X NodataNodataNodataX X XMercuricX X X X X X X X X X X X X X XchlorideMercury X X X X X X X X X X X X X X XMethanol R R R R R R R R R R R R R R RMethylenechlorideR R R R(82) R(82) R(82) R R R R R R R R RMilk & milkproductsR R X X X X X X X R R X R R RMoist air R R R X X X R R R R R R R R RMolasses R(30) R(30) R(30) R(30) R X R(30) R R R R R R(30) R RMonoethanolam X X X X X X X X X X X X X X XineNaphtha R R R R R R R R R R R R R R RNaphthalene NodataNodataNodataNodataNodataNodataR R R R R R NodataNodataNodataNickel saltsNitrates of Na,K, NH3NodataNodataNodataX X X X X X R R R R R RR(73) R(73) R(73) X X X X X X R(73) R(73) X X X XNitric acid X X X X X X X X X X X X X X X(

Aluminium Bronze Brass (a) CopperCopper-Nickel90/10 alloys (b)Gunmetal and Bronze (c)Temperature,CelsiusPhosphoric acid(20%)Phosphoric acid(50%)Phosphoric acid(95%)PhosphoruschloridesPhosphorouspentoxide20° 60° 100° 20° 60° 100° 20° 60° 100° 20° 60° 100° 20° 60° 100°R R R X X X R R R R R X X X XR R R X X X X X X R R X X X XR R R X X X X X X R X X X X XR(11) R(11) R(11) X X X X X X R X X X X XNodataNodataNodataPhthalic acid R R R NodataX X X X X X NodataNodataNodataNodataNodataX X XR R R R R R R R RPicric acid X X X X X X X X X R R R R R RPyridineNo No No X X X X X X No No No X X Xdata data datadata data dataSalicyl aldehydeNodataNodataNodataNodataNodataNodataNodataSea water R R R R(62) R R R R R R R R R R RSilicic acid R R R NodataNodataNodataNodataNodataNodataNodataNodataNodataR R R X X X NodataSilicone fluids R R R R R R R R R R R R R R RSilver nitrate X X X X X X X X X X X X X X XSodiumR R R(4) R R R R R R R R R R R RcarbonateSodiumX X X X X X X X X R X X X X XperoxideSodium silicate R R R R R R R R R R R R R R RSodiumX X X X X X X X X X X X X X XsulphideStannic chloride R(11) X X X X X X X X X X X X X XStarch R R X NodataSugar soln,syrups, jamsSulphamic acidSulphates (Na,K, Mg, Ca)NodataNodataNodataNodataR R R R R R R R RR R R R R R R R R R R R R R RNodataNodataNodataX X X X X X NodataNodataNodataX X XR R R R R R R R R R R R R R RSuphites R R R X X X R R R R R R R R RSulphonic acids NodataNodataNodataNodataNodataNodataX X X NodataNodataNodataNodataNodataNodataSulphur X X X X X X X X X X X X X X XSulphur dioxide,dryR R R R R R R R R R R X R R RSulphur dioxide,wetSulphur dioxide,(96%)R R R X X X X X X X X X X X XR R R X X X R(20) R(20) X R R(20) X R(20) R(20) R(20)Sulphur trioxide R(11)b R R R(11) R R R(11) R R R(11) R X R(11) R RSulphuric acid(

Aluminium Bronze Brass (a) CopperCopper-Nickel90/10 alloys (b)Gunmetal and Bronze (c)Temperature,Celsius20° 60° 100° 20° 60° 100° 20° 60° 100° 20° 60° 100° 20° 60° 100°Water, distilled R(53) R X X X X R(53) R X R R R R(53) R RWater, soft R R R R R R R R R R R R R R RWater, hard R R R R R R R R R R R R R R RWetting agents(to 5%)R R R R R R R R R R R R R R RYeastNodataNodataNodataNodataNodataNodataR R R NodataNodataNodataR R RZinc chloride R R R X X X X X X X X X X X XFootnotes:(a)(b)(c)Brass: Some types of brass have less corrosion resistance than is shown on the chart, others have more, e.g. Aluminium brassCopper-nickel alloys: Based on behaviour of Cu/Ni 90/10; 70/30 may be generally more resistantGunmetal: The data refer only to high tin gunmetals(2) Depending on the acid(4) Fair resistance(11) Anhydrous(20) Not aerated solutions(30) Depending on composition(36) Over 85%(53) In absence of dissolved O 2 and CO 2(60) May discolour liquid/ product(62) Depending on type(73) Not ammonium(82) Provided more than 70% copper(83) Water less than 150ppm(119) Pure solution(175) With stabiliserCopper Development Association5 Grovelands Business CentreBoundary WayHemel Hempstead HP2 7TEWebsite: www.copperinfo.co.ukEmail: helpline@copperdev.co.ukFax: 01442 275716