鈦閥門、不(bu)銹(xiu)鋼、哈氏合金閥門材料耐腐蝕性對比表(biao)
鈦(tai)閥、不銹鋼閥門、哈氏合金閥門在鹽酸(suan),硫(liu)酸(suan),硝酸(suan),王水(shui),鉻酸(suan),氫氟(fu)酸(suan),磷酸(suan),三氯(lv)(lv)(lv)化(hua)鐵,氯(lv)(lv)(lv)化(hua)銅,氯(lv)(lv)(lv)化(hua)釷,氯(lv)(lv)(lv)化(hua)鈣,氯(lv)(lv)(lv)化(hua)銨,氯(lv)(lv)(lv)化(hua)鎂(mei),硫(liu)酸(suan)鐵,氨水(shui),氫氧化(hua)鈉,碳酸(suan)鈉,硫(liu)化(hua)氫,氯(lv)(lv)(lv)氣,二氧化(hua)硫(liu),海水(shui),醋酸(suan),甲酸(suan),乳酸(suan),草酸(suan),檸檬酸(suan)等腐(fu)蝕介質中的材料耐(nai)腐(fu)蝕性對比表如下:
腐蝕介質(zhi) |
濃度(%) |
溫(wen)度(℃) |
耐(nai)腐蝕(shi)性 |
||
鈦閥門(men) |
Cr18-Ni8 普(pu)通不銹鋼 |
哈氏(shi)合金(jin)C系列 |
|||
鹽(yan)酸 |
10 |
24 |
● |
× |
√ |
30 |
24 |
× |
× |
√ |
|
10 |
80 |
× |
- |
● |
|
30 |
80 |
× |
- |
△ |
|
硫酸 |
10 |
24 |
△ |
- |
√ |
50 |
24 |
× |
× |
√ |
|
10 |
100 |
× |
- |
√ |
|
50 |
100 |
× |
- |
√ |
|
硝酸 |
10 |
24 |
√ |
√ |
√ |
50 |
24 |
√ |
√ |
- |
|
10 |
100 |
√ |
√ |
△ |
|
50 |
100 |
√ |
● |
- |
|
王水(shui) |
HCl-HNO3 |
24 |
√ |
× |
△ |
3 :1 |
100 |
● |
- |
- |
|
鉻酸 |
5 |
24 |
√ |
- |
√ |
氫氟酸 |
5 |
30 |
× |
× |
△ |
磷酸 |
10(通氣) |
24 |
● |
√ |
√ |
50(通氣) |
24 |
△ |
√ |
√ |
|
10(通(tong)氣) |
100 |
× |
√ |
√ |
|
10(通(tong)氣) |
100 |
× |
● |
√ |
|
三氯化鐵 |
10 |
24 |
√ |
× |
√ |
30 |
24 |
√ |
× |
√ |
|
10 |
100 |
√ |
- |
× |
|
30 |
100 |
√ |
- |
× |
|
氯化銅 |
10 |
24 |
● |
× |
● |
30 |
24 |
● |
× |
● |
|
10 |
100 |
● |
- |
- |
|
30 |
100 |
● |
- |
- |
|
氯(lv)化釷 |
10 |
24 |
√ |
● |
● |
40 |
24 |
√ |
● |
● |
|
10 |
100 |
√* |
●* |
● |
|
40 |
100 |
√* |
●* |
● |
|
氯(lv)化鈣 |
10 |
24 |
√ |
√ |
√ |
50 |
24 |
√ |
● |
√ |
|
10 |
100 |
√* |
- |
√ |
|
50 |
100 |
√* |
× |
√ |
|
氯(lv)化銨 |
10 |
24 |
√ |
△ |
√ |
40 |
24 |
√ |
- |
√ |
|
10 |
100 |
√* |
- |
√ |
|
40 |
100 |
√* |
- |
√ |
|
氯(lv)化(hua)鎂 |
10 |
24 |
√ |
△ |
√ |
40 |
24 |
√ |
● |
√ |
|
10 |
100 |
√* |
△* |
√ |
|
40 |
100 |
√* |
- |
√ |
|
硫酸鐵(tie) |
10 |
24 |
√ |
● |
● |
50 |
24 |
√ |
● |
● |
|
10 |
100 |
√ |
● |
● |
|
50 |
100 |
√ |
- |
● |
|
氨水 |
10 |
24 |
√ |
√ |
√ |
30 |
24 |
√ |
√ |
√ |
|
10 |
80 |
√ |
● |
● |
|
30 |
80 |
√ |
● |
√ |
|
氫氧化鈉 |
10 |
24 |
√ |
√ |
√ |
50 |
24 |
√ |
√ |
- |
|
10 |
100 |
√ |
√ |
√ |
|
50 |
100 |
● |
● |
√ |
|
碳酸鈉 |
10 |
24 |
√ |
√ |
√ |
30 |
24 |
- |
- |
- |
|
10 |
100 |
√ |
√ |
√ |
|
30 |
100 |
√ |
√ |
√ |
|
硫化氫 |
干燥 |
24 |
√ |
△ |
√ |
濕(shi) |
24 |
√ |
● |
● |
|
氯氣(qi) |
干燥 |
24 |
× |
- |
√ |
濕 |
24 |
√ |
- |
△ |
|
干(gan)燥 |
100 |
- |
√ |
● |
|
濕(shi) |
90 |
√ |
- |
△ |
|
二氧化硫 |
干燥 |
30—60 |
√ |
- |
- |
濕 |
30—90 |
√ |
- |
- |
|
海(hai)水 |
高速流動狀(zhuang)態 |
24 |
√ |
- |
- |
100 |
√* |
- |
√ |
||
醋酸 |
10 |
24 |
√ |
√ |
√ |
60 |
24 |
√ |
√ |
√ |
|
10 |
100 |
√ |
√ |
√ |
|
60 |
100 |
√ |
● |
√ |
|
甲酸(suan) |
10 |
24 |
● |
● |
√ |
50 |
24 |
● |
● |
√ |
|
10 |
100 |
● |
× |
√ |
|
30 |
100 |
× |
× |
√ |
|
乳酸(suan) |
10 |
24 |
√ |
● |
● |
50 |
24 |
√ |
● |
√ |
|
10 |
100 |
√ |
● |
● |
|
50 |
100 |
√ |
× |
● |
|
草酸 |
10 |
24 |
● |
● |
● |
20 |
52 |
× |
- |
● |
|
50 |
24 |
- |
● |
● |
|
10 |
100 |
- |
- |
● |
|
50 |
100 |
- |
× |
● |
|
檸(ning)檬酸(suan) |
10 |
24 |
√ |
● |
√ |
50 |
24 |
√ |
● |
√ |
|
10 |
100 |
√ |
● |
√ |
|
50 |
100 |
× |
× |
√ |
標注說明:
√ 腐蝕率<0.051毫米/年 ○ 腐蝕率<0.508毫米/年
△ 腐蝕率0.508—1.27毫米/年 × 腐蝕率>1.27毫米/年
* 特定情況下,可能產生點腐蝕或者局部腐蝕。
以上(shang)資料僅供(gong)參考。
本文標簽: 鈦閥門、不銹鋼、哈氏合金閥門材料耐腐蝕性對比表