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.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
●
●
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●
●
●
●
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●
●
●
●
●
●
●
16
●
●
●
●
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●
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●
●
●
●
17
●
●
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●
●
●
18
●
●
●
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●
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●
●
●
●
●
19
●
●
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●
●
●
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●
●
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●
●
●
●
●
●
●
20
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
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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●
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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108
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114
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●
127
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133
●
●
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●
●
140
●
●
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●
146
●
●
●
●
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●
●
●
●
●
●
●
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
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- 关 键 词:
- GBT 流体 输送 不锈钢 无缝钢管 参数
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