接头/阀门/软管常用材料及介质的化学适应性
不锈钢为316Ti(1.4571)，铜为CuZn35Ni2
碳钢接头体为9SMnPb28K易切削钢
碳钢焊管材料为35#钢
| 金属材料 不 碳钢 黄铜 锈钢 |
软密封 乙丙 丁腈 氟 橡胶 橡胶 橡胶 |
硬密封 POM PTFE | ||||||
| 温度范围℃ (用于高压) |
-40 -60 -60 | -50 -35 -25 | -30 -60 | |||||
| +250 +175 +400 | +150 +100 +250 | +100 +250 | ||||||
| 氨 | 1 | 4 | 1 | 1 | 2 | 4 | 2 | 1 |
| 白兰地酒 | 2 | 2 | 2 | 1 | 2 | 1 | 2 | 1 |
| 苯 | 2 | 2 | 2 | 4 | 4 | 2 | 2 | 1 |
| 苯胺 | 2 | 3 | 1 | 1 | 4 | 3 | 2 | 1 |
| 苯乙烯 | 1 | 1 | 1 | 4 | 4 | 2 | 2 | 1 |
| 蓖麻油 | 2 | 1 | 1 | 4 | 1 | 1 | 1 | 1 |
| 变压器用油 | 1 | 2 | 1 | 4 | 2 | 2 | 1 | 1 |
| 丙醇 | 4 | 1 | 1 | 1 | 4 | 1 | – | 1 |
| 丙酮 | 1 | 1 | 1 | 2 | 4 | 4 | 2 | 2 |
| 丙烷 | 2 | 1 | 2 | 4 | 2 | 2 | 2 | 1 |
| 丙烯乙二醇 | 2 | 2 | 2 | 2 | 2 | 1 | 3 | 1 |
| 丙烯腈 | 1 | 1 | 1 | 2 | 4 | 3 | 4 | 1 |
| 柴油机燃油 | 1 | 1 | 1 | 4 | 1 | 2 | 2 | 1 |
| 臭氧 | 4 | 4 | 1 | 1 | – | – | – | 1 |
| 醋 | 4 | 3 | 1 | 1 | 4 | 4 | 4 | 1 |
| 氮 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 电容器油 | 1 | 4 | 1 | 4 | 4 | 1 | 1 | 1 |
| 丁酸、含水 | 4 | 3 | 2 | 4 | 4 | 2 | 2 | 1 |
| 丁烷、气体 | 2 | 1 | 2 | 4 | 1 | 1 | 2 | 1 |
| 二甲苯 | 2 | 1 | 1 | 3 | 4 | 2 | 1 | 1 |
| 二硫化钙 | 3 | 3 | 2 | 1 | 3 | 2 | 2 | 1 |
| 二氧化碳 | 1 | 1 | 1 | 2 | 1 | 1 | 3 | 1 |
| 高压二氧化碳 | 2 | 2 | 1 | 2 | 1 | 2 | 3 | 1 |
| 高压一氧化碳 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 1 |
| 矾、含水 | 3 | 3 | 1 | 1 | 2 | 1 | 2 | 1 |
| 酚 | 2 | 2 | 2 | 2 | 4 | 2 | 4 | 1 |
| 呋喃 | 1 | 4 | 1 | 2 | 4 | 4 | 4 | 1 |
| 氟氯烷 | 2 | 2 | 1 | 2 | 2 | 1 | 2 | 1 |
| 甘醇，乙二醇 | 2 | 2 | 2 | 1 | 2 | 2 | 3 | 1 |
| 甘油 | 2 | 2 | 1 | 4 | 1 | 2 | 3 | 1 |
| 铬酸 | 4 | 4 | 2 | 2 | 4 | 2 | 4 | 1 |
| 庚烷 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1 |
| 汞（水银） | 1 | 4 | 1 | 2 | 1 | 1 | 1 | 1 |
| 硅酸钠 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 1 |
| 果汁 | 4 | 3 | 1 | 2 | 2 | 3 | 1 | 1 |
| 过氧化氢 | 4 | 4 | 2 | 3 | 4 | 2 | 4 | 1 |
| 海水 | 4 | 2 | 2 | 1 | 2 | 1 | 3 | 1 |
| 航空用燃油 | 1 | 1 | 1 | 4 | 3 | 2 | 3 | 1 |
| 褐色煤焦油 | 1 | 4 | 1 | 1 | 2 | 2 | 4 | 1 |
| 厚油 | 2 | 2 | 1 | 4 | 2 | 1 | 2 | 1 |
| 化肥溶剂 | 4 | 3 | 3 | 2 | 4 | 4 | – | 1 |
| 挥发油 | 2 | 2 | 1 | 4 | 3 | 2 | 2 | 1 |
| （甲）酮 | 4 | 4 | 1 | 2 | 4 | 4 | 4 | 1 |
| 甲（木）醇 | 2 | 2 | 2 | 1 | 3 | 4 | 2 | 1 |
| 甲胺，含水 | 2 | 4 | 1 | 1 | 4 | 4 | – | 1 |
| 甲苯 | 1 | 1 | 1 | 4 | 4 | 2 | 2 | 1 |
| 甲苯，含水 | 3 | 3 | 2 | 2 | 4 | 2 | 4 | 1 |
| 甲基、乙基酮 | 1 | 1 | 1 | 2 | 4 | 4 | 1 | 1 |
| 甲醛 | 3 | 1 | 1 | 1 | 2 | 4 | 1 | 1 |
| 甲酸 | 4 | 2 | 2 | 1 | 3 | 3 | 4 | 1 |
| 介质 | 金属材料 不 碳钢 黄铜 锈钢 |
软密封 乙丙 丁腈 氟 橡胶 橡胶 橡胶 |
硬密封 POM PTFE | |||||
| 酒石酸 | 4 | 2 | 2 | 2 | 1 | 1 | 2 | 1 |
| 糠醛 | 1 | 1 | 1 | 2 | 4 | 1 | 2 | 1 |
| 空气 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 矿坑气体 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 |
| 矿坑水 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 蜡 | 1 | 1 | 1 | 1 | 3 | 2 | 1 | 1 |
| 沥青 | 1 | 2 | 1 | 4 | 4 | 1 | 3 | 1 |
| 炼焦炉气体 | 2 | 3 | 1 | 4 | 4 | 3 | 1 | 1 |
| 磷酸铵含水 | 4 | 4 | 2 | 2 | 2 | 1 | 2 | 1 |
| 磷酸钠 | 3 | 2 | 1 | 2 | 2 | 1 | 2 | 1 |
| 磷酸汀脂 | 2 | 2 | 1 | 3 | 4 | 3 | – | 1 |
| 硫 | 3 | 4 | 2 | 1 | 4 | 1 | 2 | 1 |
| 硫带硫化钠 | 2 | 3 | 1 | 2 | 4 | 1 | 1 | 1 |
| 硫化镁 | 3 | 2 | 2 | 1 | 2 | 1 | 1 | 1 |
| 硫化钠 | 2 | 4 | 2 | 1 | 2 | 1 | 2 | 1 |
| 硫化氢 | 3 | 4 | 2 | 1 | 3 | 2 | 3 | 1 |
| 硫酸 | 2 | 3 | 1 | 2 | 4 | 1 | 4 | 1 |
| 硫酸铵 | 3 | 4 | 2 | 2 | 2 | 1 | 2 | 1 |
| 硫酸铬 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 |
| 硫酸钾，含水 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
| 硫酸钠 | 2 | 2 | 1 | 2 | 2 | 1 | 1 | 1 |
| 硫酸镍 | 4 | 4 | 2 | 1 | 2 | 1 | 2 | 1 |
| 硫酸氢钠、含水 | 4 | 2 | 2 | 1 | 2 | 2 | 2 | 1 |
| 硫酸铁 | 4 | 2 | 2 | 1 | 3 | 1 | 1 | 1 |
| 硫酸铜，含水 | 4 | 4 | 2 | 1 | 2 | 1 | 2 | 1 |
| 硫酸锌 | 4 | 2 | 2 | 2 | 1 | 1 | 2 | 1 |
| 氯，湿+干 | 4 | 4 | 4 | 4 | 4 | 2 | 4 | 1 |
| 氯苯 | 2 | 2 | 1 | 3 | 4 | 1 | 2 | 1 |
| 氯化铵 | 3 | 3 | 1 | 3 | 3 | 1 | 1 | 1 |
| 氯化钙、含水 | 3 | 2 | 2 | 3 | 2 | 1 | 1 | 1 |
| 氯化铬 | 4 | 4 | 1 | 3 | 1 | 4 | 4 | 1 |
| 氯化汞 | 4 | 4 | 3 | 2 | 2 | 1 | 4 | 1 |
| 氯化钾，含水 | 3 | 2 | 3 | 2 | 1 | 1 | 2 | 1 |
| 氯化镁 | 3 | 3 | 2 | 1 | 2 | 1 | 1 | 1 |
| 氯化钠 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 |
| 氯化镍 | 4 | 4 | 2 | 2 | 1 | 1 | 2 | 1 |
| 氯化铁 | 4 | 2 | 4 | 1 | 2 | 1 | 3 | 1 |
| 氯化锡 | 4 | 4 | 4 | 2 | 2 | 1 | 2 | 1 |
| 氯化锌 | 4 | 4 | 4 | 2 | 3 | 1 | 2 | 1 |
| 氯化亚甲 | 2 | 1 | 1 | 1 | 4 | 3 | 3 | 1 |
| 氯气 < 100°C | 4 | 4 | 1 | 2 | 4 | 1 | 4 | 1 |
| 氯酸钾，含水 | 2 | 2 | 2 | 2 | 4 | 1 | 2 | 1 |
| 氯酸钠 | 3 | – | 2 | 2 | 3 | 1 | 2 | 1 |
| 氯乙烯 | 2 | 3 | 2 | 1 | 4 | 3 | 2 | 1 |
| 煤气溶液 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 1 |
| 煤油 | 2 | 2 | 1 | 4 | 2 | 1 | 1 | 1 |
| 灭火物资 | 1 | 1 | 1 | 2 | 1 | 1 | 4 | 1 |
| 明胶 | 3 | 3 | 1 | 2 | 1 | 1 | 1 | 1 |
| 墨汁 | 4 | 3 | 1 | 2 | 1 | 1 | 1 | 1 |
| 木材防腐油 | 1 | 1 | 1 | 4 | 4 | 2 | 3 | 1 |
| 奶油脂 | 4 | 4 | 1 | 3 | 1 | 2 | 1 | 1 |
| 萘（卫生球） | 2 | 2 | 2 | 2 | 4 | 1 | 1 | 1 |
| 尿素，含水 | 3 | 2 | 2 | 1 | 2 | 2 | 2 | 1 |
| 柠檬酸 | 4 | 2 | 2 | 1 | 2 | 1 | 2 | 1 |
| 酒精 | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 1 |
| 甲烷 | 2 | 1 | 2 | 2 | 1 | 1 | 2 | 1 |
| 介质 | 金属材料 不 碳钢 黄铜 锈钢 |
软密封 乙丙 丁腈 氟 橡胶 橡胶 橡胶 |
硬密封 POM PTFE | |||||
| 硼酸、含水 | 3 | 3 | 2 | 2 | 2 | 1 | 2 | 1 |
| 硼酸钠、含水 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 |
| 啤酒 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 葡萄糖 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| 汽油 | 1 | 1 | 1 | 4 | 2 | 2 | 2 | 1 |
| 羟基丁二酸 | 4 | 3 | 2 | 2 | 1 | 1 | 1 | 1 |
| 切削乳剂 | 3 | 3 | 2 | 3 | 1 | 1 | 1 | 1 |
| 切削油 | 1 | 1 | 1 | 4 | 1 | 1 | 1 | 1 |
| 氢 | 2 | 2 | 1 | 1 | 2 | 2 | – | 1 |
| 氢氧化钙 | 3 | 1 | 2 | 1 | 1 | 1 | 2 | 1 |
| 氢氧化镁 | 2 | 4 | 1 | 1 | 2 | 1 | 1 | 1 |
| 氢氧化钠 | 2 | 2 | 1 | 1 | 3 | 3 | – | 1 |
| 氢氧化钠溶液 | 4 | 4 | 1 | 1 | 1 | 3 | 4 | 1 |
| 氰化钠 | 2 | 4 | 2 | 2 | 2 | 1 | 2 | 1 |
| 醛氯乙烯 | 1 | 4 | 1 | 1 | 4 | 4 | 4 | 1 |
| 燃油，轻 | 2 | 2 | 1 | 4 | 3 | 2 | 3 | 1 |
| 燃油，重 | 2 | 2 | 1 | 4 | 4 | 2 | 3 | 1 |
| 溶剂 | 2 | 2 | 1 | 1 | 4 | 3 | 2 | 1 |
| 鞣酸 | 3 | 2 | 1 | 1 | 2 | 2 | 1 | 1 |
| 乳胶乳液 | 2 | 1 | 1 | 2 | – | – | 1 | 1 |
| 润滑油 | 1 | 2 | 1 | 4 | 1 | 1 | 1 | 1 |
| 若味酸 | 4 | 3 | 1 | 2 | 2 | 1 | – | 1 |
| 三氯甲烷 | 2 | 2 | 1 | 1 | 4 | 2 | 4 | 1 |
| 三氯乙酸 | 4 | 4 | 1 | 2 | 4 | 4 | 4 | 1 |
| 三氯乙烯 | 2 | 3 | 2 | 4 | 4 | 2 | 3 | 1 |
| 石灰浆 | 2 | – | 1 | 1 | 4 | 2 | 2 | 1 |
| 石灰水 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 石蜡 | 2 | 1 | 1 | 4 | 1 | 1 | 2 | 1 |
| 石油 | 2 | 2 | 1 | 4 | 2 | 1 | 1 | 1 |
| 石油，挥发油 | 2 | 2 | 1 | 4 | 2 | 1 | 1 | 1 |
| 食油 | 4 | 4 | 1 | 4 | 1 | 1 | 4 | 1 |
| 水 < 80°C | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 1 |
| 水汽 | 2 | 1 | 1 | 1 | 4 | 2 | 4 | 1 |
| 水杨酸 | 4 | 3 | 1 | 2 | 1 | 1 | 2 | 1 |
| 水蒸气>180°C | 2 | 1 | 1 | 1 | 4 | 3 | 4 | 1 |
| 顺丁烯二酐 | 4 | 2 | 2 | 4 | – | 2 | 3 | 1 |
| 松针油 | 2 | 2 | 1 | 4 | 2 | 1 | 2 | 1 |
| 松脂油 | 3 | 2 | 2 | 4 | 2 | 1 | 1 | 1 |
| 碳酸 | 2 | 4 | 2 | 2 | 2 | 2 | 2 | 1 |
| 碳酸铵 | 2 | 4 | 2 | 1 | 3 | 3 | 3 | 1 |
| 碳酸钾，含水 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 1 |
| 碳酸钠 | 1 | 4 | 1 | 2 | 1 | 1 | 4 | 1 |
| 碳酸钠 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 1 |
| 碳酸氢钠 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 1 |
| 糖溶液 | 2 | – | 1 | 1 | 2 | 1 | 1 | 1 |
| 碱液 | 4 | 4 | 1 | 1 | 1 | 2 | 1 | 1 |
| 天然气 | 2 | 2 | 1 | 4 | 2 | 1 | 2 | 1 |
| 瓦斯油，汽油 | 2 | 2 | 1 | 4 | 3 | 1 | 2 | 1 |
| 涡轮用油 | 1 | 1 | 1 | 3 | 4 | 1 | 4 | 1 |
| 戊烷 | 2 | 1 | 1 | 4 | 1 | 1 | 2 | 1 |
| 硝基苯 | – | 4 | 1 | 4 | 4 | 2 | 4 | 1 |
| 漆 | 2 | 1 | 1 | 1 | 4 | 3 | 2 | 1 |
| 硝酸 | 1 | 4 | 2 | 3 | 4 | 1 | 4 | 1 |
| 硝酸钾，含水 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
| 硝酸酮，含水 | 4 | 4 | 2 | 2 | 2 | 1 | 2 | 1 |
| 介质 | 金属材料 不 碳钢 黄铜 锈钢 |
软密封 乙丙 丁腈 氟 橡胶 橡胶 橡胶 |
硬密封 POM PTFE | |||||
| 硝酸银 | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 1 |
| 溴 | 4 | 3 | 4 | 4 | 4 | 2 | – | 1 |
| 溴化钾，含水 | 4 | 3 | 1 | 2 | 2 | 1 | 2 | 1 |
| 溴化亚甲 | 4 | 1 | 4 | 2 | 4 | 1 | 3 | 1 |
| 溴酸钠 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
| 亚硫酸钠，含水 | 4 | – | 1 | 1 | 4 | 3 | 3 | 1 |
| 亚麻油 | 1 | 2 | 2 | 3 | 2 | 1 | 1 | 1 |
| 氩气 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 盐酸 | 4 | 4 | 4 | 2 | – | 1 | – | 1 |
| 氧 | 2 | 1 | 1 | 2 | 4 | 1 | 4 | 1 |
| 氧化铵 | 4 | 4 | 2 | 2 | 2 | 1 | 2 | 1 |
| 盐溶液 | 3 | 2 | 1 | 1 | 1 | 2 | 1 | 1 |
| 液压油，矿物油为基础 | 1 | 1 | 1 | 4 | 1 | 1 | 1 | 1 |
| 液压油，磷酸酯为基础 | 2 | 4 | 1 | 1 | 4 | 1 | 1 | 1 |
| 液压油，乙二酸为基础 | 2 | 3 | 1 | 3 | 3 | 2 | 3 | 1 |
| 乙醇 | 2 | 2 | 1 | 1 | 2 | 4 | 2 | 1 |
| 乙二酸（草酸） | 4 | 4 | 2 | 1 | 2 | 1 | 3 | 1 |
| 乙酐 | 4 | 3 | 2 | 2 | 4 | 4 | 4 | 1 |
| 乙醚 | 1 | 1 | 1 | 3 | 4 | 4 | 4 | 1 |
| 乙醛 | 3 | 2 | 1 | 1 | 4 | 3 | 2 | 1 |
| 乙炔 | 3 | 3 | 1 | 1 | 3 | 2 | 4 | 1 |
| 乙炔气 | 1 | 4 | 1 | 3 | 3 | 1 | 2 | 2 |
| 乙酸铅，含水 | 4 | 3 | 1 | 1 | 4 | 2 | 3 | 1 |
| 乙酸乙脂 | 2 | 3 | 2 | 1 | 4 | 2 | 2 | 1 |
| 乙烷 | 2 | 1 | 2 | 3 | 1 | 2 | 1 | 1 |
| 液化气LPG | 2 | 2 | 1 | 3 | 1 | 1 | 1 | 1 |
| 乙烯 | 2 | – | 1 | 3 | 2 | 1 | 2 | 1 |
| 异丙基酒精 | 2 | 2 | 2 | 2 | 3 | 1 | 2 | 1 |
| 异丙基乙醚 | 1 | 1 | 1 | 2 | 3 | 4 | – | 1 |
| 异丁基酒精 | 2 | 2 | 2 | 2 | 3 | 1 | 3 | 1 |
| 异辛烷 | 1 | 1 | 1 | 2 | 1 | 1 | 3 | 1 |
| 硬脂酸 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 |
| 油水乳液 | 1 | 1 | 1 | 4 | 1 | 1 | 1 | 1 |
| 油酸 | 2 | 2 | 1 | 4 | 2 | 1 | 1 | 1 |
| 鱼油 | 2 | 2 | 1 | 3 | 1 | 1 | 1 | 1 |
| 皂质溶液 | 1 | 1 | 1 | 3 | 1 | 1 | 1 | 1 |
| 粘胶 | 1 | 4 | 1 | 1 | 1 | 4 | 1 | 1 |
| 蒸馏水 | 4 | 1 | 1 | 1 | 2 | 2 | 2 | 1 |
| 脂肪酸 | 4 | – | 1 | 4 | 2 | 2 | 1 | 1 |
| 酯酸戊酯 | 3 | 3 | 2 | 2 | 4 | 4 | 2 | 1 |
| 制动液 | 2 | 2 | 2 | 1 | 4 | 3 | 2 | 1 |
| 重油 | 2 | 2 | 1 | 4 | 2 | 1 | 1 | 1 |
| 丙烯 | 1 | 1 | 1 | 4 | 1 | 1 | 2 | 1 |
| 棕榈酸 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 1 |
| 棕榈油 | 4 | 4 | 1 | 4 | 4 | 1 | 1 | 1 |
| Cellolube220 | 1 | 1 | 1 | 2 | 4 | 1 | 1 | 1 |
| 苯酸 | 4 | 4 | 1 | 4 | 4 | 1 | 3 | 1 |
| 氟里昂12 22 | 4 | 2 | 4 | 1 | 4 | 3 | 3 | 1 |
| 传动用油 | 1 | 1 | 1 | 4 | 1 | 1 | 1 | 1 |
符号说明：
1、推荐选用
2、适用性一般
3、可能适用
4、不推荐
5、尚未确定
注：以上材料适用性是在室温20°C