|
级别 |
最低冲击试验温度 | |
|
℉ |
℃ | |
|
Grade 1 |
-50 |
-45 |
|
Grade 3 |
-150 |
-100 |
|
Grade 4 |
-150 |
-100 |
|
Grade 6 |
-50 |
-45 |
|
Grade 7 |
-100 |
-75 |
|
Grade 8 |
-320 |
-195 |
|
Grade 9 |
-100 |
-75 |
|
Grade 10 |
-75 |
-60 |