T流体输送用不锈钢无缝钢管参数.docx
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T流体输送用不锈钢无缝钢管参数.docx
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T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
●
●
●
●
●
●
●
●
●
7
●
●
●
●
●
●
●
●
●
8
●
●
●
●
●
●
●
●
●
9
●
●
●
●
●
●
●
●
●
●
●
10
●
●
●
●
●
●
●
●
●
●
●
11
●
●
●
●
●
●
●
●
●
●
●
12
●
●
●
●
●
●
●
●
●
●
●
●
●
13
●
●
●
●
●
●
●
●
●
●
●
●
●
14
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
15
●
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●
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●
●
16
●
●
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●
●
●
●
●
●
17
●
●
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●
●
●
●
●
●
●
●
●
18
●
●
●
●
●
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●
●
19
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●
●
20
●
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●
●
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●
●
21
●
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●
22
●
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●
23
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●
24
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●
25
●
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●
27
●
●
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●
●
28
●
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●
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●
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●
●
30
●
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●
32
●
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●
34
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35
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36
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38
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●
40
●
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42
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45
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48
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50
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51
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53
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54
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56
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57
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60
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63
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65
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68
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70
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73
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●
75
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76
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80
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83
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85
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89
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90
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95
●
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●
100
●
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●
●
102
●
●
●
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●
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●
●
●
●
●
●
●
108
●
●
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●
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●
●
●
●
114
●
●
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●
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●
127
●
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●
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●
●
●
●
133
●
●
●
●
●
●
●
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●
●
●
●
●
●
●
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
±1.25
±1
外径
D
6~10
±0.20
±0.15
>10~30
±0.30
±0.20
159 ±1.5 >30~50 ±0.40 ±0.30 >50 ±0.9% ±0.8% 壁厚 S >15 +15 -12.5 ±12.5 壁厚 S 0.5~1 ±0.15 ±14% ±0.12 >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 ≤0.07 ≤1.00 ≤2.00 ≤0.035 ≤0.030 8.00~ 11.00 17.00~ 19.00 - - - 2 00Cr19Ni10 ≤0.030 ≤1.00 ≤2.00 ≤0.035 ≤0.0300 8.00~ 12.00 18.00~ 20.00 - - - 3 0Cr23Ni13 ≤0.08 ≤1.00 ≤2.00 ≤0.035 ≤0.030 12.00~ 15.00 22.00~ 24.00 - - - 4 0Cr25Ni20 ≤0.08 ≤1.00 ≤2.00 ≤0.035 ≤0.030 19.00~ 22.00 24.00~ 26.00 - 5wc~0.70 - 5 0Cr18Ni10Ti ≤0.08 ≤1.00 ≤2.00 ≤0.035 ≤0.030 9.00~ 12.00 17.00~ 19.00 - ≥5wc - 6 0Cr18Ni11Nb ≤0.08 ≤1.00 ≤2.00 ≤0.035 ≤0.030 9.00~ 13.00 17.00~ 19.00 - - Nb≥10wc 7 0Cr17Ni14Mo2 ≤0.08 ≤1.00 ≤2.00 ≤0.035 ≤0.030 10.00~ 14.00 16.00~ 18.50 2.00~3.00 - - 8 00Cr17Ni14Mo2 ≤0.030 ≤1.00 ≤2.00 ≤0.035 ≤0.030 12.00~ 15.00 16.00~ 18.00 2.00~3.00 - - 9 0Cr19Ni13Mo3 ≤0.08 ≤1.00 ≤2.00 ≤0.035 ≤0.030 11.00~ 15.00 18.00~ 20.00 3.00~4.00 - - 10 00Cr19Ni13Mo3 ≤0.030 ≤1.00 ≤2.00 ≤0.035 ≤0.030 11.00~ 15.00 18.00~ 20.00 3000~4.00 - - 11 0Cr18Ni12Mo2Ti ≤0.08 ≤1.00 ≤2.00 ≤0
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