GBT流体输送用不锈钢无缝钢管参数.docx
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GBT流体输送用不锈钢无缝钢管参数
流体输送用不锈钢无缝钢管(GB/T14976-1994)
(1)尺寸规格6-25,6-26
(2)允许偏差6-27
(3)?
牌号和化学成分6-28(4)力学性能6-29
?
?
表6-25流体输送用不锈钢热轧(挤,扩)无缝钢管的尺寸规格
外径
壁厚
5
6
7
8
9
10
11
12
13
14
15
16
17
19
68
◎
◎
◎
◎
◎
◎
◎
◎
◎
70
◎
◎
◎
◎
◎
◎
◎
◎
◎
73
◎
◎
◎
◎
◎
◎
◎
◎
◎
76
◎
◎
◎
◎
◎
◎
◎
◎
◎
80
◎
◎
◎
◎
◎
◎
◎
◎
◎
83
◎
◎
◎
◎
◎
◎
◎
◎
◎
89
◎
◎
◎
◎
◎
◎
◎
◎
◎
95
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
102
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
108
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
114
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
121
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
127
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
133
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
140
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
146
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
152
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
159
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
168
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
180
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
194
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
219
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
◎
245
◎
◎
◎
◎
◎
◎
◎
◎
◎
237
◎
◎
◎
◎
◎
◎
◎
325
◎
◎
◎
◎
◎
◎
◎
351
◎
◎
◎
◎
◎
◎
◎
377
◎
◎
◎
◎
◎
◎
◎
426
◎
◎
◎
◎
◎
◎
◎
注:
1.◎表示热轧管规格。
2.根据需方要求,经供需双方协议,可供应表6-25和表6-26规格以外的其他尺
寸的钢管,尺寸偏差执行相邻较大规格的规定。
表6-26流体输送用不锈钢冷拔(轧)钢管的尺寸规格
外径
壁厚
10
11
12
13
14
15
6
●
●
●
●
●
●
●
●
●
7
●
●
●
●
●
●
●
●
●
8
●
●
●
●
●
●
●
●
●
9
●
●
●
●
●
●
●
●
●
●
●
10
●
●
●
●
●
●
●
●
●
●
●
11
●
●
●
●
●
●
●
●
●
●
●
12
●
●
●
●
●
●
●
●
●
●
●
●
●
13
●
●
●
●
●
●
●
●
●
●
●
●
●
14
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
15
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
16
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
17
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
18
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
19
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
20
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
21
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
22
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
23
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
24
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
25
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
27
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
28
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
30
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
32
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
34
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
35
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
36
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
38
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
40
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
42
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
45
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
48
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
50
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
51
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
53
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
54
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
56
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
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●
●
57
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
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●
●
●
●
●
●
●
●
●
●
●
60
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
63
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
65
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
68
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
70
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
73
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
75
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
76
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
80
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
83
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
85
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
89
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
90
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
95
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
100
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
102
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
108
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
114
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
127
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
133
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
140
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
146
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
159
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
168
180
194
219
245
273
325
351
377
426
注:
●表示冷拔(轧)钢管规格。
?
表6-27流体输送用不锈钢无缝钢管的尺寸允许规格偏差壁厚
热轧(挤压,扩)管
冷拔(轧)管
尺寸/mm
允许偏差/mm
尺寸/mm
允许偏差/mm
普通级
较高级
普通级
较高级
?
外径
D
68≤D≤159
±
?
?
±1
?
外径
D
6~10
±
±
>10~30
±
±
159±
>30~50
±
±
>50
±%
±%
?
壁厚
S
>15
+15
?
?
±
?
壁厚
S
~1
±
±14%
±
>1~3
?
+12%
-10%
≥15
+20
-15
>3
+12%
-10%
±10%
注:
钢管的弯曲度不得大于如下规定:
壁厚<15mm………………………………………………………1.5mm/m
壁厚≥15mm………………………………………………………2.0mm/m
热扩管………………………………………………………3.0mm/m
?
表6-28流体输送用不锈钢无缝钢管的牌号和化学成分
组织类型
序号
牌号
化学成分(质量分数)(%)
C
Si
Mn
P
S
Ni
Cr
Mo
Ti
其他
奥
氏
体型
1
0Cr18Ni9
≤
≤
≤
≤
≤
~
~
-
-
-
2
00Cr19Ni10
≤
≤
≤
≤
≤
~
~
-
-
-
3
0Cr23Ni13
≤
≤
≤
≤
≤
~
~
-
-
-
4
0Cr25Ni20
≤
≤
≤
≤
≤
~
~
-
5wc~
-
5
0Cr18Ni10Ti
≤
≤
≤
≤
≤
~
~
-
≥5wc
-
6
0Cr18Ni11Nb
≤
≤
≤
≤
≤
~
~
-
-
Nb≥10wc
7
0Cr17Ni14Mo2
≤
≤
≤
≤
≤
~
~
~
-
-
8
00Cr17Ni14Mo2
≤
≤
≤
≤
≤
~
~
~
-
-
9
0Cr19Ni13Mo3
≤
≤
≤
≤
≤
~
~
~
-
-
10
00Cr19Ni13Mo3
≤
≤
≤
≤
≤
~
~
3000~
-
-
11
0Cr18Ni12Mo2Ti
≤
≤
≤
≤
≤
~
~
~
5wc~
-
12
1Cr18Ni12Mo2Ti
≤
≤
≤
≤
≤
~
~
~
5~
-
13
0Cr18Ni12Mo2Ti
≤
≤
≤
≤
≤
~
~
~
5wc~
-
14
1Cr18Ni12Mo3Ti
≤
≤
≤
≤
≤
~
~
~
5~
-
15
0Cr18Ni12Mo2Cu2
≤
≤
≤
≤
≤
~
~
~
-
~
16
00Cr18Ni14Mo2Cu2
≤
≤
≤
≤
≤
~
~
~
-
~
17
1Cr18Ni9Ti
≤
≤
≤
≤
≤
~
1700~
-
5~
-
铁素体型
18
0Cr13
≤
≤
≤
≤
≤
~
-
-
-
奥氏体-铁素体型
19
0Cr26Ni5Mo2
≤
≤
≤
≤
≤
~
~
~
-
-
?
①残余Ni≤。
?
表6-29流体输送用不锈钢无缝钢管的力学性能
组织类型
?
牌号
推荐热处理制度
力学性能
密度
/
(g/cm3)
序号
Σb/MPa
σMPa
δ5(%)
≥
奥氏体型
1
0Cr18Ni9
1010~1150℃,急冷
520
205
3