The corrosion-resistance of industry pure titanium in various of medium

1. The corrosion-resistance of industry pure titanium
in various of medium
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The corrosion-resistance of industry pure titanium
in various of medium
concentratio corrosion/mm/a Corrosion
medium temperature/℃
n（%） (year) grade
Room
1 temperature 0.000/0.345 excellent/good
/ boiling
Room
5 temperature 0.000/6.530 excellent/bad
/ boiling
inorganic Hydrochloric
Room
acid acid
10 temperature 0.175/40.87 good/bad
/ boiling
Room
20 temperature / 1.340/— bad/—
—
35 Room 6.660/— bad/—

2. temperature /
—
Room
5 temperature 0.000/13.01 excellent/bad
/ boiling
Room
10 temperature 0.230/— good/—
/—
Room
Vitriolic
60 temperature 0.277/— good/bad
acid
/—
Room
80 temperature 32.660/— bad/—
/—
Room
95 temperature 1.400/— bad/—
/—
Room
excellent/
37 temperature 0.000/<0.127
nitric acid excellent
/ boiling
64 Room 0.000/<0.127 excellent/

3. temperature excellent
/ boiling
Room
95 temperature 0.0025/— excellent/—
/—
Room
10 temperature 0.000/6.400 excellent/bad
/ boiling
Room
phosphoric acid 30 temperature 0.000/17.600 excellent/bad
/ boiling
Room
50 temperature 0.097/— excellent /—
/—
Room
excellent/
Chromic acid 20 temperature <0.127/<0.127
excellent
/ boiling
Room
excellent/
nitric acid + 1:3 temperature 0.0040/0.127
excellent
hydrochloric acid / boiling
3:1 Room <0.127/— excellent /—

4. temperature
/—
Room
7:3 temperature <0.127/— excellent /—
Vitriolic /—
acid + vitriolic acid Room
4:6 temperature <0.127/— excellent /—
/—
Room
excellent/
Acetic acid 100 temperature 0.000/0.000
excellent
/ boiling
Room
Formic acid 50 temperature 0.000/— excellent /
/—
organic a
Room
cid
5 temperature 0.127/29.390 good/bad
/ boiling
Oxalic acid
Room
10 temperature 0.008/— excellent /—
/—
Lactic acid 10 Room 0.000/0.033 excellent/

5. temperature excellent
/ boiling
25 / boiling —/0.028 —/ excellent
10 / boiling —/1.270 —/good
Methane acid 25 —/100 —/2.440 —/bad
50 —/100 —/7.620 —/bad
Room
excellent/
Dan ning acid 25 temperature <0.127/<0.127
excellent
/ boiling
Room
excellent/
Citric acid 50 temperature <0.127/<0.127
excellent
/ boiling
Room
excellent/
Stearic acid 100 temperature <0.127/<0.127
excellent
/ boiling
10 / boiling —/0.020 —/excellent
Room
excellent/
aqueous 20 temperature <0.127/<0.127
sodium hydroxide excellent
alkali / boiling
Room excellent/
50 <0.0025/0.0508
temperature excellent

6. / boiling
73 / boiling —/0.127 —/good
10 / boiling —/<0.127 —/ excellent
potassium hydroxide 25 / boiling —/0.305 —/good
50 30 / boiling 0.000/2.743 excellent/bad
Room
ammonium hydroxide 28 temperature 0.0025/— excellent/—
/—
Room
excellent/
sodium carbonate 20 temperature <0.127/<0.127
excellent
/ boiling
Room
baking ammoria 20 temperature 0.0708/— excellent /—
/—
Room
excellent/
ferric chloride 40 temperature 0.000/0.002
excellent
Inorganic /95
salt ferrous chloride 30 0.000/<0.127
Room
solution Chlorinated and lead 10 <0.127/<0.127 excellent/
temperature
cuprous chloride 50 <0.127/<0.127 excellent
/ boiling
ammonium chloride 10 <0.127/<0.000

7. calcium chloride 10 <0.127/<0.000
aluminium chloride 25 <0.127/<0.127
magnesium chloride 10 <0.127/<0.127
nickel chloride 5-10 <0.127/<0.127
barium chloride 20 <0.127/<0.127
copper sulfate 20 <0.127/<0.127
20℃
ammonium sulfate <0.127/<0.127
saturated
sodium sulfate 50 <0.127/<0.127
20℃
Zincum Snlfuricum <0.127/<0.127
saturated
10 <0.127/<0.127
cuprous sulfate
30 <0.127/<0.127
Room
silver nitrate 11 temperature <0.127/— excellent /—
/—
benzene（contain little Steam and
80 0.005
HCl、NaCl） liquid
organic c
carbon tetrachloride As above 0.005 excellent
ompound
tetrachloroethylene 100% Steam boiling
0.0005
（stable） and liquid

8. tetrachloroethylene
0.0005
（H2O）
chloroform 0.003
chloroform
0.127 good
（H2O）
99% Steam
triclene 0.00254
and liquid
excellent
triclene
99 0.00254
（stable）
formaldehyde 37 0.127 good
formaldehyde
50 0.305 good
（containt2.5%H2SO4）