公稱尺寸
/mm |
外徑
/mm |
外徑允許偏差
/mm |
壁 厚
/mm |
壁厚允許偏差
/mm |
理論質(zhì)量(不計管接頭)
/(kg/m) |
13 |
12.70 |
±0.20 |
1.60 |
±0.15 |
0.438 |
16 |
15.88 |
±0.20 |
1.60 |
±0.15 |
0.581 |
19 |
19.05 |
±0.25 |
1.80 |
±0.20 |
0.766 |
25 |
25.40 |
±0.25 |
1.80 |
±0.20 |
1.048 |
32 |
31.75 |
±0.25 |
1.80 |
±0.20 |
1.329 |
38 |
38.10 |
±0.25 |
1.80 |
±0.20 |
1.611 |
51 |
50.80 |
±0.30 |
2.00 |
±0.24 |
2.407 |
64 |
63.50 |
±0.30 |
2.50 |
±0.30 |
3.760 |
76 |
76.20 |
±0.30 |
3.20 |
±0.35 |
5.761 |