美标ASTM A312不锈钢管规格表，A312不锈钢管标准规范，A312 ANSI B36.19重量表
以下表格为美标钢管管件尺寸对照表，仅供大家参考使用：
|
Nominal
diameter
in
inches
|
External
diameter
in
millimeters
|
ANSI B36.19
|
|
|
|
|
5s
|
10s
|
Sched.40s
|
Sched.80s
|
|
|
mm
|
Kg/m
|
mm
|
Kg/m
|
mm
|
Kg/m
|
mm
|
Kg/m
|
|
|
1/8"
|
10.29
|
-
|
-
|
1.24
|
0.281
|
1.73
|
0371
|
2.41
|
0.467
|
|
|
1/4"
|
13.72
|
-
|
-
|
1.65
|
0.499
|
2.24
|
0.644
|
3.02
|
0.809
|
|
|
3/8"
|
17.15
|
-
|
-
|
1.65
|
0.640
|
2.31
|
0.858
|
3.20
|
1.118
|
|
|
1/2"
|
21.34
|
1.65
|
0.814
|
2.11
|
1.016
|
2.77
|
1.26
|
3.73
|
1.62
|
|
|
3/4"
|
26.67
|
1.65
|
1.034
|
2.11
|
1.298
|
2.87
|
1.68
|
3.91
|
2.19
|
|
|
1"
|
33.40
|
1.65
|
1.312
|
2.77
|
2.125
|
3.338
|
2.50
|
4.55
|
3.23
|
|
|
11/4"
|
42.16
|
1.65
|
1.674
|
2.77
|
2.732
|
3.56
|
3.38
|
4.85
|
4.46
|
|
|
11/2"
|
48.26
|
1.65
|
1.926
|
2.77
|
3.155
|
3.68
|
4.05
|
5.08
|
5.40
|
|
|
2"
|
60.33
|
1.65
|
2.424
|
2.77
|
3.992
|
3.91
|
5.43
|
5.54
|
7.47
|
|
|
21/2"
|
73.03
|
2.11
|
3.747
|
3.05
|
5.345
|
5.16
|
8.62
|
7.01
|
11.40
|
|
|
3"
|
88.90
|
2.11
|
4.585
|
3.05
|
6.557
|
5.49
|
11.28
|
7.62
|
15.25
|
|
|
31/2"
|
101.60
|
2.11
|
5.272
|
3.05
|
7.526
|
5.74
|
13.56
|
8.08
|
18.62
|
|
|
4"
|
114.30
|
2.11
|
5.945
|
3.05
|
8.496
|
6.02
|
16.06
|
8.56
|
22.29
|
|
|
5"
|
141.30
|
2.77
|
9.639
|
3.40
|
11.740
|
6.55
|
21.76
|
9.52
|
30.92
|
|
|
6"
|
168.30
|
2.77
|
11.514
|
3.40
|
14.037
|
7.11
|
28.23
|
10.97
|
42.52
|
|
|
8"
|
219.08
|
2.77
|
15.049
|
3.76
|
20.334
|
8.18
|
42.49
|
12.7
|
64.57
|
|
|
10"
|
273.05
|
3.40
|
23.028
|
4.19
|
28.290
|
9.27
|
60.24
|
12.7
|
81.46
|
|
|
12"
|
323.85
|
3.96
|
31.806
|
4.57
|
36.633
|
9.52
|
73.76
|
12.7
|
97.36
|
|
|
14"
|
355.60
|
3.98
|
34.99
|
4.78
|
42.102
|
-
|
-
|
-
|
-
|
|
|
16"
|
406.40
|
4.19
|
42.35
|
4.78
|
48.220
|
-
|
-
|
-
|
-
|
|
|
18"
|
457.20
|
4.19
|
47.7
|
4.78
|
54.300
|
-
|
-
|
-
|
-
|
|
|
20"
|
508
|
4.77
|
60.32
|
5.53
|
69.766
|
-
|
-
|
-
|
-
|
|
|
22"
|
553.8
|
4.77
|
-
|
5.53
|
-
|
-
|
-
|
-
|
-
|
|
|
24"
|
609.6
|
5.54
|
84.10
|
6.35
|
96.215
|
-
|
-
|
-
|
-
|
|
|
26"
|
660.4
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
|
28"
|
711.6
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
|
30"
|
762
|
6.35
|
120.59
|
7.92
|
147.45
|
-
|
-
|
-
|
-
|
|
|
32"
|
812.8
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
|
34"
|
863.6
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
|
36"
|
914.4
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
