公稱外徑
平均外徑允許差
壁厚允許差
2.5Mpa
2.0Mpa
1.6Mpa
1.25Mpa
1.0Mpa
0.8Mpa
0.63Mpa
長度
最小 壁厚
參考重量
參考 重量
20
+0.3
+0.4
2.3
0.202
2.0
0.178
4m
25
2.8
0.303
0.227
32
2.4
0.352
0.297
40
+0.5
3.0
0.540
0.376
50
0.686
0.567
0.475
63
+0.6
4.7
1.321
3.8
1.090
0.876
2.5
0.748
0.604
75
+0.7
4.5
1.535
3.6
1.251
2.9
1.021
0.833
90
+0.8
5.4
2.203
4.3
1.790
3.5
1.477
1.196
110
+0.9
6.6
3.274
5.3
2.682
4.2
2.164
3.4
1.774
2.7
1.427
140
6.7
4.284
*5.4
2.839
2.334
6m
160
+1.0
9.5
6.827
7.7
5.613
6.2
4.599
4.9
3.664
4.0
3.019
200
+1.2
11.9
10.647
9.6
8.729
7.092
5.798
4.610
250
+1.4
14.8
16.539
13.489
11.030
8.941
7.312
315
+1.7
*18.7
15.0
21.382
12.1
17.509
9.7
14.152
11.367
355
+1.1
+1.9
21.1
33.457
16.9
27.138
13.6
22.116
*10.9
*8.7
400
+2.1
19.1
34.594
15.3
28.035
12.3
22.769
9.8
18.269
500
+1.5
+2.9
43.700
*15.3
28.652
630
+3.7
24.1
69.374
*19.3
*15.4