steel tube dimension and standard test pressure

规定外径D
Specified outside
diameter

规定壁厚t mm
Specified thickness

最低试验压力
钢 级
in
mm

L210
(A)

L245
(B)
L290
(X42)
L320
(X46)

L360
(X52)

L390
(X56)
L415
(X60)
L450
(X65)
L485
(X70)
L555
(X80)
68
1727.0
10.0
16.0
22.0
1.5
2.3
3.2
1.7
2.7
3.7
3.0
4.8
6.6
3.3
5.3
7.3
3.8
6.0
8.3
4.1
6.5
8.9
4.3
6.5
9.5
4.7
7.5
10.3
5.1
8.1
11.1
5.8
9.3
12.7
 
(1820.0)
10.0
16.0
22.0
1.4
2.2
3.1
1.6
2.6
3.6
2.9
4.6
6.3
3.2
5.1
7.0
3.6
5.7
7.8
3.9
6.2
8.5
4.1
6.6
9.0
4.5
7.1
9.8
4.8
7.7
10.6
5.5
8.8
12.1
72
1829.0
14.0
18.0
22.0
1.9
2.5
3.0

2.3
2.9
3.5
4.0
5.1
6.3
4.4
5.7
6.9
5.0
6.4
7.8
5.4
6.0
8.4
5.7
7.4
9.0
6.2
8.0
9.7
6.7
8.6
10.5
7.6
9.8
12.0
76
1930.0
14.0
18.0
22.0
1.8
2.4
2.9
2.1
2.7
3.4
3.8
4.9
6.0
4.2
5.4
6.6
4.7
6.0
7.4
5.1
6.5
8.0
5.4
7.0
8.5
5.9
7.6
9.2
6.3
8.1
10.0
7.2
9.3
11.4
 
(2020.0)
10.0
16.0
22.0
1.3
2.0
2.8
1.5
2.3
3.2
2.6
4.1
5.7
2.9
4.6
6.3
3.2
5.1
7.1
3.5
5.6
7.7
3.7
5.9
8.1
4.0
6.4
8.8
4.3
6.9
9.5
4.9
7.9
10.9
80
2032.0
14.0
18.0
22.0
1.7
2.2
2.7
2.0
2.6
3.2
3.6
4.6
5.7
4.0
5.1
6.2
4.5
5.7
7.0
4.8
6.2
7.6
5.1
6.6
8.1
5.6
7.2
8.8
6.0
7.7
9.5
6.9
8.8
10.8
 
(2220.0)
14.0
18.0
22.0
1.6
2.1
2.5
1.9
2.4
2.9
3.3
4.2
5.2
3.6
4.7
5.7
4.1
5.3
6.4
4.4
5.7
7.0
4.7
6.1
7.4
5.1
6.6
8.0
5.5
7.1
8.7
6.3
8.1
9.9
 
(2420.0)
16.0
19.0
22.0
1.7
2.0
2.3
1.9
2.3
2.7
3.5
4.1
4.7
3.8
4.5
5.2
4.3
5.1
5.9
4.6
5.5
6.4
4.9
5.9
6.8
5.4
6.4
7.4
5.8
6.9
7.9
6.6
7.8
9.1
100
(2540.0)
16.0
19.0
22.0
1.6
1.9
2.2
1.9
2.2
2.6
3.3
3.9
4.5
3.6
4.3
5.0
4.1
4.8
5.6
4.4
5.3
6.1
4.7
5.6
6.5
5.1
6.1
7.0
5.5
6.5
7.6
6.3
7.5
8.7
112
(2845.0)
16.0
19.0
22.0
1.4
1.7
2.0
1.7
2.0
2.3
2.9
3.5
4.0
3.2
3.8
4.5
3.6
4.3
5.0
3.9
4.7
5.4
4.2
5.0
5.8
4.6
5.4
6.3
4.9
5.8
6.8
5.6
6.7
7.7
 
 
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