| 壁厚 |
≥0.25 |
≥0.30 |
≥0.4 |
≥0.5 |
≥0.6 |
≥0.7 |
≥0.8 |
≥0.9 |
≥1.0 |
≥1.1 |
≥1.2 |
≥1.3 |
≥1.4 |
≥1.5 |
执行标准
|
| 外径O.D. |
| φ4 |
○ |
○ |
○ |
○ |
○ |
|
|
|
|
|
|
|
|
|
国标
日本JIS
美国
ASTM
企业
标准 |
| ≤φ5 |
|
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
|
|
|
|
|
| ≤φ6 |
|
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
|
|
|
|
|
| ≤φ8 |
|
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
|
|
|
|
|
| ≤φ10 |
|
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
|
|
|
| ≤φ12 |
|
|
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
| ≤φ14 |
|
|
|
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
| ≤φ16 |
|
|
|
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
| ≤φ18 |
|
|
|
|
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
| ≤φ20 |
|
|
|
|
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
| ≤φ22.22 |
|
|
|
|
|
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
|
|
|