CORROSION RATES OF TITANIUM OTHERMAETALLICALLOYS
|
|
Concentration
(%)
|
Temp
(¢ªC) |
Titanium |
Zironium |
SLstee
AISI304
|
SLsteel
AISI318 |
Hastelloy
C |
Inorganic acids
(¹«±â»ê) |
Hydrocholric add(HCI) |
¿°»ê |
1
|
25 |
|
|
¢» |
|
|
| |
|
boiling |
|
|
|
|
¢À |
|
10 |
25 |
¢» |
|
|
|
|
| |
|
boiling |
|
|
|
|
|
Sulfuric acid (H2SO4) |
Ȳ»ê |
1 |
25 |
|
|
|
|
|
|
|
boiling |
|
|
|
¢À |
|
| |
10 |
25 |
¢» |
|
¢» |
¢» |
|
| |
|
boiling |
|
|
|
|
¢» |
Nitric acid (NHO3) |
Áú»ê |
10 |
25 |
|
|
|
|
|
|
|
boiling |
|
|
|
|
¢» |
|
65 |
25 |
|
|
|
|
|
|
|
boiling |
|
|
¢» |
¢» |
|
Organic
acids
(À¯±â»ê) |
Acetic acid
(CH3COOH)
|
ÃÊ»ê(¾Æ¼¼Æ®»ê) |
10 |
boiling |
|
|
|
|
|
|
|
60 |
boiling |
|
|
¢» |
¢» |
|
Formic acid
(HCOOH)
|
˂Ȑ |
10 |
25 |
|
|
¢À |
¢» |
|
|
|
30 |
boiling |
|
|
|
|
|
Ossalic acid
((COOH)2)
|
¼ö»ê |
10 |
25 |
¢» |
|
¢» |
¢» |
¢» |
|
|
25 |
60 |
|
|
|
|
¢» |
Lactic acid
(CH3CH(OH)COOH) |
Á¥»ê(À¯»ê) |
10 |
boiling |
|
|
¢» |
¢» |
¢» |
|
|
85 |
boiling |
|
|
|
|
¢» |
Alkali
(¾ËÄ«¸®) |
Sodium hydroxide(NaOH) |
°¡¼º¼Ò´Ù |
10 |
100 |
|
|
|
|
|
|
|
40 |
boiling |
|
¢» |
¢» |
¢» |
¢» |
Potasslum carbonate
(K2CO3) |
ź»êÄ®½· |
5 |
boiling |
|
|
|
|
|
|
|
20 |
boiling |
|
|
|
|
|
Inorganic chlorides
(¹«±â¿°È¹°)¡¡ |
Sodium chloride(NaCI)
|
¿°È³ªÆ®·ý
(¼Ò±Ý) |
25 |
25 |
|
|
¢» |
¢» |
¢» |
|
|
|
boiling |
|
¢» |
¢» |
¢» |
|
Ammonium chloride(NHCI) |
¿°È¾Ï¸ð´½ |
40 |
25 |
|
|
¢» |
¢» |
|
|
|
|
boiling |
|
|
¢À |
¢» |
|
Zinc chloride(ZnCL2)
|
¿°È¾Æ¿¬ |
20 |
boiling |
|
|
|
|
|
|
|
50 |
boiling |
|
|
|
|
|
Magnesium chloride(MgCl2) |
¿°È¸¶±×³×½· |
42 |
26 |
|
|
|
|
|
|
|
|
boiling |
|
|
|
|
|
Iron chloride (FeCla) |
¿°ÈÁ¦2ö |
30 |
25 |
|
|
|
|
¢À |
|
|
|
boiling |
|
|
|
|
|
Inorganic salts
(¹«±â¿°·ù)¡¡ |
Sodium sulphate
(Na2SO4) |
Ȳ»ê³ªÆ®·ý |
20 |
25 |
|
|
|
|
|
|
|
|
boiling |
|
|
|
|
|
Sodium sulfide
(Na2S) |
ȲȳªÆ®·ý |
10 |
25 |
|
|
|
|
|
|
|
|
boiling |
|
|
¢» |
¢» |
|
Sodium chlaite
(NaOCI) |
Â÷¾Æ¿°¼Ò³ªÆ®·ý |
5 |
25 |
|
|
¢À |
¢À |
¢À |
|
|
15 |
25 |
|
|
¢À |
¢À |
¢À |
Sodium carbonate
(Na2SO3) |
ź»ê³ªÆ®·ý |
30 |
25 |
|
|
|
|
|
|
|
boiling |
|
|
|
|
|
Organic compounds
(À¯±âÈÇÕ¹°) |
Methlyl alcohol (CH3OH) |
95 |
25 |
|
|
|
|
|
Carbon tetrachloride (CC4) |
100 |
boiling |
|
|
¢» |
¢» |
¢» |
phenol (C6H5OH) |
Èѳî |
Æ÷È |
25 |
|
|
|
|
¢» |
Formaidehyde (HCHC) |
37 |
boiling |
|
|
|
|
¢» |
Gas
(°¡½º) |
Chloring(Cl2)
|
¿°¼Ò |
dry |
25 |
|
|
|
|
|
|
|
wet |
25 |
|
|
|
|
|
Hydrogen sulfide(H2S) |
Ȳȼö¼Ò |
dry |
25 |
|
|
¢À |
¢» |
|
|
|
wet |
25 |
|
|
¢» |
|
¢» |
Ammonium(NH3) |
¾Ï¸ð´Ï¾Æ |
100 |
40 |
|
|
|
|
|
|
|
100 |
100 |
|
|
|
|
|
Others
(±âŸ) |
Sea water |
Çؼö |
|
25 |
|
|
|
|
|
|
|
|
100 |
|
|
¢» |
¢» |
|
Naptha |
³²»ç |
|
80 |
|
|
|
|
|
|
|
|
180 |
|
|
|
|
|
