GB T149761994 流体输送用不锈钢无缝钢管参数.docx
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GB T149761994 流体输送用不锈钢无缝钢管参数.docx
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GBT149761994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
4.5
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
0.5
0.6
0.8
1.0
1.2
1.4
1.5
1.6
2.0
2.2
2.5
2.8
3.0
3.2
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10
11
12
13
14
15
6
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7
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8
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9
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10
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- GB T149761994 流体输送用不锈钢无缝钢管参数 流体 输送 不锈钢 无缝钢管 参数