流体输送用不锈钢焊接钢管(GB/T12771—1991)
2008-02-05 10:33 来源: 我的钢铁
(1)尺寸规格见表6-110.
表6-11O流体输送用不锈钢焊接钢管的尺寸规格
壁厚
外径
|
0.3
|
0.4
|
O.5
|
O.6
|
O.8
|
1.0
|
1.2
|
1.4
|
1.5
|
1.8
|
2.O
|
2.2
|
2.5
|
2.8
|
3.0
|
3.2
|
3.5
|
3.6
|
4.O
|
4.2
|
4.6
|
4.8
|
5.0
|
5.5
|
6.O
|
8.O
|
10
|
12
|
14
|
|
6
|
|
×
|
×
|
×
|
×
|
×
|
×
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
7
|
|
×
|
×
|
×
|
×
|
×
|
×
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8
|
|
×
|
×
|
×
|
×
|
×
|
×
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
9
|
|
×
|
×
|
×
|
×
|
×
|
×
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
lO
|
|
×
|
×
|
×
|
×
|
×
|
×
|
×
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
11
|
|
×
|
×
|
×
|
×
|
×
|
×
|
×
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
12
|
|
×
|
×
|
×
|
×
|
×
|
×
|
×
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(12.7)
|
×
|
×
|
×
|
×
|
×
|
×
|
×
|
×
|
×
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
13
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
×
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
14
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
×
|
×
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
15
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
×
|
×
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
16
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
×
|
×
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
壁厚
外径
|
O.3
|
0.4
|
0.5
|
O.6
|
0.8
|
1.0
|
1.2
|
1.4
|
1.5
|
1.8
|
2.O
|
2.2
|
2.5
|
2.8
|
3.O
|
3.2
|
3.5
|
3.6
|
4.O
|
4.2
|
4.6
|
4.8
|
5.O
|
5.5
|
6.O
|
8.0
|
10
|
12
|
14
|
|
17
|
|
|
|
|
×
|
×
|
X
|
×
|
×
|
×
|
×
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
18
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
×
|
×
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
19
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
×
|
×
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
20
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
×
|
×
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2l
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
×
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
22
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
×
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
24
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
25
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(25.4)
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
26
|
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
28
|
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
30
|
|
|
|
|
|
|
×
|
×
|
×
|
X
|
X
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
壁厚
外径
|
O.3
|
O.4
|
0.5
|
O.6
|
O.8
|
1.0
|
1.2
|
1.4
|
1.5
|
1.8
|
2.O
|
2.2
|
2.5
|
2.8
|
3.0
|
3.2
|
3.5
|
3.6
|
4.O
|
4.2
|
4.6
|
4.8
|
5.O
|
5.5
|
6.O
|
8.O
|
10
|
12
|
14
|
|
|
(31.8)
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
32
|
|
|
|
|
|
|
×
|
×
|
X
|
X
|
X
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
36
|
|
|
|
|
|
|
×
|
×
|
×
|
X
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(38.1)
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
40
|
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
45
|
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
50
|
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(50.8)
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
56
|
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(57.1)
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(60.3)
|
|
|
|
|
|
×
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
63
|
|
|
|
|
|
|
|
×
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
壁厚
外径
|
O.3
|
0.4
|
0.5
|
0.6
|
0.8
|
1.0
|
1.2
|
1.4
|
1.5
|
1.8
|
2.O
|
2.2 |
2.5
|
2.8
|
3.0
|
3.2
|
3.5
|
3.6
|
4.0
|
4.2
|
4.6
|
4.8
|
5.0
|
5.5
|
6.O
|
8.O
|
10
|
12
|
14
|
|
71
|
|
|
|
|
|
|
|
|
×
|
×
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(76.2)
|
|
|
|
|
|
|
|
×
|
X
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
80
|
|
|
|
|
|
|
|
|
|
×
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
90
|
|
|
|
|
|
|
|
|
|
×
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
100
|
|
|
|
|
|
|
|
|
|
×
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
|
|
|
110
|
|
|
|
|
|
|
|
|
|
|
×
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
|
|
|
125
|
|
|
|
|
|
|
|
|
|
|
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
|
|
|
|
(140)
|
|
|
|
|
|
|
|
|
|
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
|
|
|
160
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
|
|
|
l80
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
|
|
|
200
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
壁厚
外径
|
0.3
|
0.4
|
0.5
|
O.6
|
O.8
|
1.0
|
1.2
|
1.4
|
1.5
|
1.8
|
2.O
|
2.2
|
2.5
|
2.8
|
3.O
|
3.2
|
3.5
|
3.6
|
4.O
|
4.2
|
4.6
|
4.8
|
5.O
|
5.5
|
6.O
|
8.0
|
10
|
12
|
14
|
|
220
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
|
250
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
|
280
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
320
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
360
|
|
|
|
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|
0.3
|
0.4
|
0.5
|
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|
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|
1.0
|
1.2
|
1.4
|
1.5
|
1.8
|
2.O
|
2.2
|
2.5
|
2.8
|
3.O
|
3.2
|
3.5
|
3.6
|
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|
4.2
|
4.6
|
4.8
|
5.O
|
5.5
|
6.O
|
8.0
|
10
|
12
|
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|
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|
0.3
|
0.4
|
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|
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|
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|
1.0
|
1.2
|
1.4
|
1.5
|
1.8
|
2.O
|
2.2
|
2.5
|
2.8
|
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|
3.2
|
3.5
|
3.6
|
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|
4.2
|
4.6
|
4.8
|
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|
5.5
|
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|
8.0
|
10
|
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|
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|
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|
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|
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|
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|
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|
1.2
|
1.4
|
1.5
|
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|
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|
2.2
|
2.5
|
2.8
|
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|
3.2
|
3.5
|
3.6
|
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|
4.2
|
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|
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|
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|
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|
10
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壁厚
外径
|
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|
0.4
|
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|
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|
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|
1.0
|
1.2
|
1.4
|
1.5
|
1.8
|
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|
2.2
|
2.5
|
2.8
|
3.O
|
3.2
|
3.5
|
3.6
|
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|
4.2
|
4.6
|
4.8
|
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|
5.5
|
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|
8.0
|
10
|
12
|
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280
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400
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560
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|
壁厚
外径
|
0.3
|
0.4
|
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|
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|
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|
1.0
|
1.2
|
1.4
|
1.5
|
1.8
|
2.O
|
2.2
|
2.5
|
2.8
|
3.O
|
3.2
|
3.5
|
3.6
|
4.O
|
4.2
|
4.6
|
4.8
|
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|
5.5
|
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|
8.0
|
10
|
12
|
14
|
|
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220
|
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250
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280
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320
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400
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500
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560
|
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|
Ο
|
壁厚
外径
|
0.3
|
0.4
|
0.5
|
O.6
|
O.8
|
1.0
|
1.2
|
1.4
|
1.5
|
1.8
|
2.O
|
2.2
|
2.5
|
2.8
|
3.O
|
3.2
|
3.5
|
3.6
|
4.O
|
4.2
|
4.6
|
4.8
|
5.O
|
5.5
|
6.O
|
8.0
|
10
|
12
|
14
|
|
220
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
|
250
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
|
280
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
320
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕
|
⊕
|
⊕
|
⊕
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
360
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
400
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
450
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
500
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
|
560
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο
|
Ο
|
Ο
|
Ο
|
Ο
|
注:1.( )——不推荐使用;×——采用冷轧板(带)制造;Ο——采用热轧板(带)制造;⊕——采用冷轧板(带)或热轧板(带)制造。
2.钢管通常长度为2—8m。
(2)允许偏差见表6一111。
表6-111流体输送用不锈钢焊接钢管的尺寸偏差 (mm)
外
径
允
许
偏
差
|
类 别
|
外 径
|
允许偏差
|
|||
普通级
|
较高级
|
|||||
焊接状态
|
<20
|
±O.30
|
±O.20
|
|||
≥20~<50
|
士O.50
|
±O.40
|
||||
≥50
|
±l%
|
士O.8%
|
||||
热处理状态
|
<13
|
±O.25
|
±0.20
|
|||
≥13~<25
|
±O.40
|
±0.30
|
||||
≥25~<40
|
±0.60
|
±O.40
|
||||
≥40~<65
|
±0.80
|
±0.60
|
||||
≥65~<90
|
±1.00
|
±O.80
|
||||
≥90~<140
|
±1.20
|
±1.00
|
||||
≥140
|
按协议
|
按协议
|
||||
冷拔(轧)状态磨抛光状态
|
<25
|
±O.12
|
±O.10
|
|||
≥25~<40
|
±O.15
|
±O.12
|
||||
≥40~<50
|
±O.18
|
±0.15
|
||||
≥50~<60
|
±0.20
|
±O.18
|
||||
≥60~<70
|
±O.23
|
±O.20
|
||||
≥70~<80
|
±O.25
|
±O.23
|
||||
≥80~<90
|
±O.30
|
±O.25
|
||||
≥90~<100
|
±O.40
|
±O.30
|
||||
≥100
|
±0.50%
|
±O.40%
|
||||
壁厚允许偏差
|
钢板(带)料状态
|
壁厚
|
壁厚允许偏差
|
|||
热轧钢板(带)或热轧纵剪钢带
|
<4
|
+0.5
-0.6
|
||||
≥4
|
+12.5~-15%
|
|||||
冷轧钢板(带)或冷轧纵剪钢带
|
≤O.5
|
±0.10
|
||||
>O.5~1
|
±O.15
|
|||||
>1~2
|
±0.20
|
|||||
>2
|
±10%
|
(3)牌号和化学成分见表6-112。
]
表6—112流体输送用不锈钢焊接钢管的牌号和化学成分
牌 号
|
化学成分(质量分数)(%)
|
|||||||
C
|
Si
|
№
|
P
|
S
|
Ni
|
Cr
|
其 他
|
|
1Crl8Ni9
|
≤O.15
|
≤1.oo
|
≤2.00
|
≤O.035
|
≤O.030
|
8.00~10.00
|
17.00~19.00
|
|
OCrl9Ni9
|
≤O.08
|
≤1.00
|
≤2.00
|
≤0.035
|
≤0.030
|
8.00~10.50
|
18.00~20.00
|
|
OCrl9Nill
|
≤O.030
|
≤1.00
|
≤2.00
|
≤0.035
|
≤O.030
|
9.00~13.00
|
18.00~20.00
|
|
OCr25Ni20
|
≤O.08
|
≤1.50
|
≤2.00
|
≤O.035
|
≤0.030
|
19.00~22.00
|
24.00~26.00
|
|
OCrl7Ni12M02
|
≤O.08
|
≤1.00
|
≤2.00
|
≤O.035
|
≤O.030
|
10.00~14.00
|
16.00~18.00
|
M0:2.00~3.00
|
00Crl7Nil4M02
|
≤O.030
|
≤1.00
|
≤2.00
|
≤0.035
|
≤O.030
|
12.00~15.00
|
16.00~18.00
|
Mo:2.00~3.00
|
OCrl8Ni11Ti
|
≤0.08
|
≤1.00
|
≤2.00
|
≤O.035
|
≤O.030
|
9.00~13.00
|
17.00~19.00
|
Ti:≥5×C%
|
(1Cr18Ni9Ti)
|
≤0.12
|
≤1.oo
|
≤2.00
|
≤O.035
|
≤O.030
|
8.00~11.00
|
17.00~19.00
|
Ti:5(C%一0.02)~O.80
|
0Cr18Ni11NB
|
≤0.08
|
≤0.10
|
≤2.oo
|
≤0.035
|
≤O.030
|
9.00~13.00
|
17.00~19.00
|
Nb:≥10×C%
|
00Crl7
|
≤O.030
|
≤0.75
|
≤1.oo
|
≤O.035
|
≤O.030
|
|
16.00~19.00
|
Ti或Nb:O.1~1.00
|
00Crl8M02
|
≤0.025
|
≤1.00
|
≤1.00
|
≤O.035
|
≤0.030
|
|
17.00~20.00
|
Mo: N:1.75~2.50≤O.025
|
0Crl3
|
≤O.08
|
≤1.00
|
≤1.00
|
≤0.035
|
≤0.030
|
|
11.50~13.50
|
|
(4)力学性能见表6-113、表6-114。
表6-113流体输送用不锈钢焊接钢管的热处理制度
牌 号
|
推荐热处理制度
|
|
lCrl8Ni9
|
固溶处理
|
1010~1150℃快冷
|
OCr19Ni9
|
1010~1150℃快冷
|
|
00Crl9Ni11
|
1010~1150℃快冷
|
|
0Cr25Ni20
|
1030~1180℃快冷
1010~1150℃快冷
|
|
0Crl7Nil2MO2
|
||
00Crl7Ni14Mo2
|
1010~1150℃快冷
|
|
OCrl8NillTi
|
920~1150℃快冷
|
|
(1Cr18Nil9Ti)
|
1000~1080快冷
|
|
OCrl8Ni11Nb
|
980~1150℃快冷
|
|
00Cr17
|
退火处理
|
780~950℃快冷或缓冷
800~1050℃快冷或缓冷
|
ooCr18Mo2
|
||
OCrl3
|
750℃快冷或800-900℃缓冷
|
表6-114流体输送用不锈钢焊接钢管的力学性能
牌 号
|
屈服强度ó0.2/MPa
|
抗拉强度ób/MPa
|
伸长率δ 5(%)
|
|
≥
|
||||
1Crl8Ni9
|
21O
|
520
|
35
|
25①
|
OCrl9Ni9
|
210
|
520
|
||
00Cr19Ni11
|
180
|
480
|
||
0Cr25Ni20
|
210
|
520
|
||
0Cr17Ni12M02
|
21O
|
520
|
||
00Crl7Nil4M02
|
180
|
480
|
||
OCrl8Ni11Ti
|
210
|
520
|
||
1Crl8Ni9Ti
|
2lO
|
520
|
||
OCrl8NillNb
|
210
|
520
|
||
00Crl7
|
180
|
360
|
20
|
|
00Cr18M02
|
240
|
4lO
|
||
0Crl3
|
210
|
410
|
注:钢管逐根进行水压试验,压力为2.45MPa;也可进行气压试验,压力为0.59MPa,管壁不得出现渗漏现象。
①非热处理状态交货的钢管
(5)用途用于腐蚀性流体的输送和在腐蚀性气氛下工作的中、低压流体管道。