钛阀、不锈钢阀门、哈氏合金阀门在盐酸,硫酸,硝酸,王水,铬酸,氢氟酸,磷酸,三氯化铁,氯化铜,氯化钍,氯化钙,氯化铵,氯化镁,硫酸铁,氨水,氢氧化钠,碳酸钠,硫化氢,氯气,二氧化硫,海水,醋酸,甲酸,乳酸,草酸,柠檬酸等腐蚀介质中的材料耐腐蚀性对比。
| 腐蚀介质 | 浓度(%) | 温度(℃) | 耐腐蚀性 | ||
| 钛阀门 | Cr18-Ni8 普通不锈钢 | 哈氏合金 C系列 | |||
| 盐酸 | 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 | HCl-HNO3 | 24 | √ | × | △ |
| 3:01 | 100 | ○ | – | – | |
| 铬酸 | 5 | 24 | √ | – | √ |
| 氢氟酸 | 5 | 30 | × | × | △ |
| 磷酸 | 10(通气) | 24 | ○ | √ | √ |
| 50(通气) | 24 | △ | √ | √ | |
| 10(通气) | 100 | × | √ | √ | |
| 10(通气) | 100 | × | ○ | √ | |
| 三氯化铁 | 10 | 24 | √ | × | √ |
| 30 | 24 | √ | × | √ | |
| 10 | 100 | √ | – | × | |
| 30 | 100 | √ | – | × | |
| 氯化铜 | 10 | 24 | ○ | × | ○ |
| 30 | 24 | ○ | × | ○ | |
| 10 | 100 | ○ | – | – | |
| 30 | 100 | ○ | – | – | |
| 氯化钍 | 10 | 24 | √ | ○ | ○ |
| 40 | 24 | √ | ○ | ○ | |
| 10 | 100 | √* | ○* | ○ | |
| 40 | 100 | √* | ○* | ○ | |
| 氯化钙 | 10 | 24 | √ | √ | √ |
| 50 | 24 | √ | ○ | √ | |
| 10 | 100 | √* | – | √ | |
| 50 | 100 | √* | × | √ | |
| 氯化铵 | 10 | 24 | √ | △ | √ |
| 40 | 24 | √ | – | √ | |
| 10 | 100 | √* | – | √ | |
| 40 | 100 | √* | – | √ | |
| 氯化镁 | 10 | 24 | √ | △ | √ |
| 40 | 24 | √ | ○ | √ | |
| 10 | 100 | √* | △* | √ | |
| 40 | 100 | √* | – | √ | |
| 硫酸铁 | 10 | 24 | √ | ○ | ○ |
| 50 | 24 | √ | ○ | ○ | |
| 10 | 100 | √ | ○ | ○ | |
| 50 | 100 | √ | – | ○ | |
| 氨水 | 10 | 24 | √ | √ | √ |
| 30 | 24 | √ | √ | √ | |
| 10 | 80 | √ | ○ | ○ | |
| 30 | 80 | √ | ○ | √ | |
| 氢氧化钠 | 10 | 24 | √ | √ | √ |
| 50 | 24 | √ | √ | – | |
| 10 | 100 | √ | √ | √ | |
| 50 | 100 | ○ | ○ | √ | |
| 碳酸钠 | 10 | 24 | √ | √ | √ |
| 30 | 24 | – | – | – | |
| 10 | 100 | √ | √ | √ | |
| 30 | 100 | √ | √ | √ | |
| 硫化氢 | 干燥 | 24 | √ | △ | √ |
| 湿 | 24 | √ | ○ | ○ | |
| 氯气 | 干燥 | 24 | × | – | √ |
| 湿 | 24 | √ | – | △ | |
| 干燥 | 100 | – | √ | ○ | |
| 湿 | 90 | √ | – | △ | |
| 二氧化硫 | 干燥 | 30—60 | √ | – | – |
| 湿 | 30—90 | √ | – | – | |
| 海水 | 高速流动状态 | 24 | √ | – | – |
| 100 | √* | – | √ | ||
| 醋酸 | 10 | 24 | √ | √ | √ |
| 60 | 24 | √ | √ | √ | |
| 10 | 100 | √ | √ | √ | |
| 60 | 100 | √ | ○ | √ | |
| 甲酸 | 10 | 24 | ○ | ○ | √ |
| 50 | 24 | ○ | ○ | √ | |
| 10 | 100 | ○ | × | √ | |
| 30 | 100 | × | × | √ | |
| 乳酸 | 10 | 24 | √ | ○ | ○ |
| 50 | 24 | √ | ○ | √ | |
| 10 | 100 | √ | ○ | ○ | |
| 50 | 100 | √ | × | ○ | |
| 草酸 | 10 | 24 | ○ | ○ | ○ |
| 20 | 52 | × | – | ○ | |
| 50 | 24 | – | ○ | ○ | |
| 10 | 100 | – | – | ○ | |
| 50 | 100 | – | × | ○ | |
| 柠檬酸 | 10 | 24 | √ | ○ | √ |
| 50 | 24 | √ | ○ | √ | |
| 10 | 100 | √ | ○ | √ | |
| 50 | 100 | × | × | √ | |
√ 腐蚀率<0.051毫米/年 ○ 腐蚀率<0.508毫米/年
△ 腐蚀率0.508—1.27毫米/年 × 腐蚀率>1.27毫米/年
* 特定情况下,可能产生点腐蚀或者局部腐蚀。
以上资料仅供参考。

